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Texas Instruments TLV320AIC3253EVM-K (Rev. A) User guides
User's Guide
SLAU317A – May 2010 – Revised October 2012
TLV320AIC3253EVM-K
This user's guide describes the characteristics, operation, and use of the TLV320AIC3253EVM-K. This
evaluation module (EVM) features a complete stereo audio codec with several inputs and outputs,
extensive audio routing, mixing, and effects capabilities. A complete circuit description, schematic
diagram, and bill of materials are also included.
The following related documents are available through the Texas Instruments Web site at www.ti.com.
EVM-Compatible Device Data Sheets
Device
Literature Number
TLV320AIC3253
SLOS631
TAS1020B
SLES025
Contents
1
EVM Overview ............................................................................................................... 3
2
EVM Description and Basics .............................................................................................. 3
3
TLV320AIC3253EVM-K Setup and Installation ......................................................................... 7
4
AIC3253 Control Software ............................................................................................... 11
Appendix A
EVM Connector Descriptions ................................................................................... 19
Appendix B
TLV320AIC3253EVM Schematic ............................................................................... 23
Appendix C TLV320AIC3253EVM Layout Views ........................................................................... 24
Appendix D TLV320AIC3253EVM Bill of Materials ......................................................................... 28
Appendix E
USB-MODEVM Schematic ...................................................................................... 30
Appendix F
USB-MODEVM Bill of Materials ................................................................................ 31
Appendix G Writing Scripts ..................................................................................................... 33
List of Figures
.................................................................................
1
TLV320AIC3253EVM-K Block Diagram
2
Initial Screen of TLV320AIC3253EVM-K Software ..................................................................... 9
3
Compatibility Tab .......................................................................................................... 10
4
Playback Script Tab ....................................................................................................... 12
5
Program Device Pop-Up Window ....................................................................................... 12
6
Equalizers miniDSP Application ......................................................................................... 13
7
Spectrum Analyzer ........................................................................................................ 14
8
Audio Inputs Panel ........................................................................................................ 15
9
Status Flags Panel ........................................................................................................ 16
10
Register Tables Panel .................................................................................................... 17
11
Command-line Interface Panel
12
Top Layer ................................................................................................................... 24
13
Mid-Layer 1 ................................................................................................................. 24
14
Mid-Layer 2 ................................................................................................................. 25
..........................................................................................
4
18
I2S, I2C are trademarks of Koninklijke Philips Electronics N.V.
Windows is a trademark of Microsoft Corporation.
SPI is a trademark of Motorola, Inc.
I2C is a trademark of Philips Corporation.
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15
Bottom Layer ............................................................................................................... 25
16
Top Overlay ................................................................................................................ 26
17
Bottom Overlay ............................................................................................................ 26
18
Drill Drawing ................................................................................................................ 27
19
Composite .................................................................................................................. 27
List of Tables
1
USB-MODEVM SW2 Settings ............................................................................................. 5
2
List of Jumpers and Switches ............................................................................................. 5
3
Analog Interface Pinout ................................................................................................... 19
4
Alternate Analog Connectors
5
Digital Interface Pinout .................................................................................................... 21
6
Power Supply Pin Out
7
8
2
............................................................................................
....................................................................................................
TLV320AIC3253EVM Bill of Materials ..................................................................................
USB-MODEVM Bill of Materials .........................................................................................
TLV320AIC3253EVM-K
20
22
28
31
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EVM Overview
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1
EVM Overview
1.1
Features
•
•
•
•
Full-featured evaluation board for the TLV320AIC3253 stereo audio codec.
USB connection to PC provides power, control, and streaming audio data for easy evaluation.
Digital microphone connections
Connection points for external control and digital audio signals for quick connection to other
circuits/input devices.
The TLV320AIC3253EVM-K is a complete evaluation kit, which includes a universal serial bus (USB)based motherboard and evaluation software for use with a personal computer running the Microsoft
Windows™ operating system (XP).
1.2
Introduction
The TLV320AIC3253EVM is in the Texas Instruments (TI) modular EVM form factor, which allows direct
evaluation of the device performance and operating characteristics and eases software development and
system prototyping.
The TLV320AIC3253EVM-K is a complete evaluation/demonstration kit, which includes a USB-based
motherboard called the USB-MODEVM Interface board and evaluation software for use with a personal
computer (PC) running the Microsoft Windows operating systems.
The TLV320AIC3253EVM-K is operational with one USB cable connection to a PC. The USB connection
provides power, control, and streaming audio data to the EVM for reduced setup and configuration. The
EVM also allows external control signals, audio data, and power for advanced operation, which allows
prototyping and connection to the rest of the development or system evaluation.
2
EVM Description and Basics
This section provides information on the analog input and output, digital control, power, and general
connection of the TLV320AIC3253EVM-K.
2.1
TLV320AIC3253EVM-K Block Diagram
The TLV320AIC3253EVM-K consists of two separate circuit boards, the USB-MODEVM and the
TLV320AIC3253EVM. The USB-MODEVM is built around the TAS1020B streaming audio USB controller
with an 8051-based core. The motherboard features two positions for modular EVMs, or one double-wide
serial modular EVM can be installed. The TLV320AIC3253EVM is one of the double-wide modular EVMs
that is designed to work with the USB-MODEVM.
The simple diagram of Figure 1 shows how the TLV320AIC3253EVM is connected to the USB-MODEVM.
The USB-MODEVM Interface board is intended to be used in USB mode, where control of the installed
EVM is accomplished using the onboard USB controller device. Provision is made, however, for driving all
the data buses ( I2C™, SPI™, I2S, etc.) externally. The source of these signals is controlled by SW2 on
the USB-MODEVM. See Table 1 for details on the switch settings.
The USB-MODEVM has two EVM positions that allow for the connection of two small evaluation module
or one larger evaluation module. The TLV320AIC3253EVM is designed to fit over both of the smaller
evaluation module slots as shown in Figure 1
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2.1.1
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USB-MODEVM Interface Board
The simple diagram of Figure 1 shows only the basic features of the USB-MODEVM Interface board.
Because the TLV320AIC3253EVM is a double-wide modular EVM, it is installed with connections to both
EVM positions, which connects the TLV320AIC3253 digital control interface to the I2C port realized using
the TAS1020B, as well as the TAS1020B digital audio interface.
In the factory configuration, the board is ready to be used with the USB-MODEVM. To view all the
functions and configuration options available on the USB-MODEVM board, see the USB-MODEVM
Interface Board schematic in Appendix G.
TLV320AIC3253EVM
TLV320AIC3253
USB-MODEVM
EVM Position 1
Control Interface
2
SPI, I C
TAS1020B
USB 8051
Microcontroller
EVM Position 2
USB
2
I S, AC97
Audio Interface
Figure 1. TLV320AIC3253EVM-K Block Diagram
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2.2
Default Configuration and Connections
2.2.1
USB-MODEVM
Table 1 provides a list of the SW2 settings on the USB-MODEVM. For use with the TLV320AIC3253EVM,
SW-2 positions 1, 3, 4, 5, 6, and 7 must be set to ON, whereas SW-2.2 and SW-2.8 must be set to OFF. If
the TLV320AIC3253EVM is to be used with an external audio interface, SW2.4 and SW2.5 also need to
be set to OFF and such interface must be connected as explained in Section 2.4
Table 1. USB-MODEVM SW2 Settings
SW-2 Switch Number
2.2.2
Label
Switch Description
1
A0
USB-MODEVM EEPROM I2C Address A0
ON: A0 = 0
OFF: A0 = 1
2
A1
USB-MODEVM EEPROM I2C Address A1
ON: A1 = 0
OFF: A1 = 1
3
A2
USB-MODEVM EEPROM I2C Address A2
ON: A2 = 0
OFF: A2 = 1
4
USB I2S
I2S Bus Source Selection
ON: I2S Bus connects to TAS1020
OFF: I2S Bus connects to USB-MODEVM J14
5
USB MCK
I2S Bus MCLK Source Selection
ON: MCLK connects to TAS1020
OFF: MCLK connects to USB-MODEVM J14
6
USB SPI
SPI Bus Source Selection
ON: SPI Bus connects to TAS1020
OFF: SPI Bus connects to USB-MODEVM J15
7
USB RST
RST Source Selection
ON: EVM Reset Signal comes from TAS1020
OFF: EVM Reset Signal comes from USB-MODEVM J15
8
EXT MCK
External MCLK Selection
ON: MCLK Signal is provided from USB-MODEVM J10
OFF: MCLK Signal comes from either selection of SW2-5
TLV320AIC3253 Jumper Locations
Table 2 provides a list of jumpers found on the EVM and their factory default conditions.
Table 2. List of Jumpers and Switches
Jumper
Default Position
Jumper Description
W1
1-2
Sets IOVDD to 3.3V (default) or 1.8V.
W2
2-3
Sets DIGMIC_PWR to 3.3V (default) or 1.8V.
W3
Removed
Connects GPIO2 to RESET line.
W4
Installed
Provides a means to measure LDOin/HPVDD current.
W5
Installed
Provides a means to measure AVDD current. When using the internal LDO, this jumper should be
removed.
W6
Installed
Provides a means to measure DVDD current.
W7
Installed
Provides a means to measure IOVDD current.
W8
Removed
Connects 16-Ω load to HPL outputs.
W9
Removed
Connects 16-Ω load to HPR outputs.
W10
Removed
When installed, shorts across the output capacitor on HPL; remove this jumper if using AC-coupled output
drive.
W11
Removed
When installed, shorts across the output capacitor on HPR; remove this jumper if using AC-coupled output
drive.
W12
Removed
When inserted, connects MICBIAS to J2.4 for headset detection use.
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Table 2. List of Jumpers and Switches (continued)
Jumper
Default Position
Jumper Description
W13
Installed
When installed, it selects onboard EEPROM as firmware source.
W14
2-3
When SW1 is configured for I2C, selects SCLK source for digital microphone or headset detection use.
W15
Installed
Connects MISO to USB-MODEVM. Remove this jumper for digital microphone use.
SW1
Toward I2C
When set to I2C, the I2C signals from P12/J12 are connected to the codec and SPI_SELECT is set low.
When set to SPI, the SPI signals from P12/J12 are connected to the codec and SPI_SELECT is pulled to
IOVDD.
2.3
2.3.1
Analog Signal Connections
Analog Inputs
The analog input sources can be applied directly to terminal block J5 or input jack J4. The connection
details can be found in Appendix A.
2.3.2
Analog Output
The analog outputs are available from terminal block J1 or output jacks J2 and J3. Note that J3 is
provided for signal-to-noise ratio (SNR) measurements only. The connection details can be found in
Appendix A.
2.4
Digital Signal Connections
The digital inputs and outputs of the EVM can be monitored through P12 and P22. If external signals need
to be connected to the EVM, digital inputs must be connected via J14 and J15 on the USB-MODEVM and
the SW2 switch must be changed accordingly (see Section 2.2.1). The connector details are available in
Section A.2.
2.5
Power Connections
The TLV320AIC3253EVM can be powered independently when being used in stand-alone operation or by
the USB-MODEVM when it is plugged onto the motherboard.
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2.5.1
Stand-Alone Operation
When used as a stand-alone EVM, power is applied to P23/J23 directly, making sure to reference the
supplies to the appropriate grounds on that connector.
CAUTION
Verify that all power supplies are within the safe operating limits shown on the
TLV320AIC3253 data sheet before applying power to the EVM.
P23/J23 provides connection to the common power bus for the TLV320AIC3253EVM. Power is supplied
on the pins listed in Table 6.
The TLV320AIC3253EVM-K motherboard (the USB-MODEVM Interface board) supplies power to P23/J23
of the TLV320AIC3253EVM. Power for the motherboard is supplied either through its USB connection or
via terminal blocks on that board.
2.5.2
USB-MODEVM Operation
The USB-MODEVM Interface board can be powered from several different sources:
• USB
• 6-Vdc to 10-Vdc AC/DC external wall supply (not included)
• Laboratory power supply
When powered from the USB connection, JMP6 must have a shunt from pins 1–2 (this is the default
factory configuration). When powered from 6-Vdc to 10-Vdc power supply, either through the J8 terminal
block or J9 barrel jack, JMP6 must have a shunt installed on pins 2–3. If power is applied in any of these
ways, onboard regulators generate the required supply voltages, and no further power supplies are
necessary.
If laboratory supplies are used to provide the individual voltages required by the USB-MODEVM Interface,
JMP6 must have no shunt installed. Voltages are then applied to J2 (+5VA), J3 (+5VD), J4 (+1.8VD), and
J5 (+3.3VD). The +1.8VD and +3.3VD can also be generated on the board by the onboard regulators from
the +5VD supply; to enable this configuration, the switches on SW1 need to be set to enable the
regulators by placing them in the ON position (lower position, looking at the board with text reading rightside up). If +1.8VD and +3.3VD are supplied externally, disable the onboard regulators by placing SW1
switches in the OFF position.
Each power supply voltage has an LED (D1-D7) that illuminates when the power supplies are active.
3
TLV320AIC3253EVM-K Setup and Installation
The following section provides information on using the TLV320AIC3253EVM-K, including setup, program
installation, and program usage.
3.1
Software Installation
1. Download the latest version of the AIC3253 Control Software (CS) located in the
TLV320AIC3253EVM-K Product Folder.
2. Open the self-extracting installation file.
3. Extract the software to a known folder.
4. Install the EVM software by double-clicking the Setup executable, and follow the directions. The user
may be prompted to restart their computer.
This installs all the TLV320AIC3253EVM-K software and required drivers onto the PC.
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EVM Connections
1. Ensure that the TLV320AIC3253EVM is installed on the USB-MODEVM Interface board, aligning J11,
J12, J21, J22, and J23 with the corresponding connectors on the USB-MODEVM.
2. Verify that the jumpers and switches are in their default conditions.
3. Attach a USB cable from the PC to the USB-MODEVM Interface board. The default configuration
provides power, control signals, and streaming audio via the USB interface from the PC. On the USBMODEVM, LEDs D3, D4, D5, and D7 illuminate to indicate that the USB is supplying power.
4. For the first connection, the PC recognizes new hardware and begins an initialization process. The
user may be prompted to identify the location of the drivers or allow the PC to automatically search for
them. Allow the automatic detection option.
5. Once the PC confirms that the hardware is operational, D2 on the USB-MODEVM illuminates to
indicate that the firmware has been loaded and the EVM is ready for use. If D2 does not illuminate,
verify that the EEPROM jumper and switch settings conform to Table 1 and Table 2.
After the TLV320AIC3253EVM-K software installation (described in Section 3.2) is complete, evaluation
and development with the TLV320AIC3253 can begin.
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The TLV320AIC3253EVM-K software can now be launched. The user sees an initial screen that looks
similar to Figure 2.
Figure 2. Initial Screen of TLV320AIC3253EVM-K Software
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If running the software in Windows Vista or Windows 7, right-click the AIC3253EVM-K CS shortcut and
select Properties. Configure the Compatibility tab as shown in Figure 3
Figure 3. Compatibility Tab
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4
AIC3253 Control Software
The AIC3253 Control Software (CS) is an intuitive, easy-to-use, powerful tool to learn, evaluate, and
control the TLV320AIC3253. This tool was specifically designed to make learning the TLV320AIC3253
software easy. The following sections describe the operation of this software.
NOTE: For configuration of the codec, the TLV320AIC3253 block diagram located in the
TLV320AIC3253 data sheet is a good reference to help determine the signal routing.
4.1
Main Panel Window
The Main Panel window, shown in Figure 2, provides easy access to all the features of the AIC3253 CS.
The Firmware Name and Version boxes provide information about the firmware loaded into the EVM's
EEPROM.
The USB-MODEVM Interface drop-down menu allows the user to select which communication protocol
the TAS1020B USB Controller uses to communicate with the TLV320AIC3253 or to toggle the TAS1020B
GPIO pins. The TLV320AIC3253 supports I2C Standard, I2C Fast, and 8-bit register SPI. The USBMODEVM Interface selection is global to all panels, including the Command-Line Interface. To
communicate to the TLV320AIC3253 using SPI, SW1 must be switched towards SPI and W15 must be
inserted on the TLV320AIC3253EVM.
The Panel Selection Tree provides access to typical configurations, features, and other panels that allow
the user to control the TLV320AIC3253. The tree is divided into several categories which contain items
that pop up panels. A panel can be opened by double-clicking any item inside a category in the Panel
Selection Tree.
Below the Panel Selection Tree are three buttons that pop up the following:
•
•
•
Status Flags - Allows the user to monitor the TLV320AIC3253 status flags.
Register Tables - A tool to monitor register pages.
Command-Line Interface - A tool to execute/generate scripts and monitor register activity.
The USB LED indicates if the EVM kit is recognized by the software and the ACTIVITY LED illuminates
every time a command request is sent.
The dialog box at the bottom of the Main Panel provides feedback of the current status of the software.
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Typical Configurations
This panel can help users to quickly become familiar with the TLV320AIC3253. This panel has controls
relevant to the selected configuration; a tab shows the script that will be loaded for that particular
configuration. Each script includes a brief description of the selected configuration, as shown in Figure 4.
Figure 4. Playback Script Tab
4.1.2
Features
The Features category allows the user to evaluate various features of the TLV320AIC3253. Each of the
Features panels include an Information tab that explains the feature and provides hardware setup
information for easy evaluation.
Any item in the Features category can be accessed by a double-click. As soon as a Features panel
opens, a pop-up message appears asking to program the codec for that feature (see Figure 5). A
command script is sent to the codec if the OK button is clicked. This script programs all registers
necessary to evaluate the feature. This can be bypassed by clicking the Cancel button.
Figure 5. Program Device Pop-Up Window
The script corresponding to each feature can be accessed at the Installation Directory\DATA\EVM folder.
Also, each script can be manually customized and loaded as the feature's start-up script as long as the file
name remains the same.
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4.1.3
miniDSP Applications
The TLV320AIC3253 features two miniDSP cores, one for the ADC and another for the DAC.
Currently, the AIC3253 CS has two DAC miniDSP applications: Equalizers and Spectrum Analyzer. Visit
the TLV320AIC3253EVM-K product folder for updates and availability on new miniDSP applications.
See the miniDSP section in the data sheet (SLOS631) for information on how to develop custom miniDSP
algorithms.
4.1.3.1
Equalizers
The Equalizers miniDSP application features 20 cascaded biquad filters per DAC channel (Figure 6). Each
of the 40 20-Band EQ sliders modify its corresponding biquad filter in the cascade as a function of gain.
Each Master slider controls the digital volume control of the TLV320AIC3253. All sliders can be set to
track the opposing channel slider movement by turning on the Lock L+R switch. Preset configurations are
available at the red selection box below the graphic equalizer. A frequency slider movement changes any
preset to Custom.
The Small Speaker EQ section, contains filter presets that are suitable for small speaker applications.
Emphasizing certain frequencies and reducing low-frequency energy provides higher volume with less
distortion and more intelligible speech and music for small speakers. These presets use the first seven
biquads of the cascade for filtering whereas the rest of the 13 graphic equalizer sliders can be used to
emphasize other frequencies. This feature is enabled by setting the green ON/OFF switch to ON.
Although an option is available to program the codec for this feature when the panel pops up, provision is
made to re-program this miniDSP application by clicking the Program EQ into miniDSP button.
Figure 6. Equalizers miniDSP Application
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Spectrum Analyzer
The 20-Band Spectrum Analyzer provides a visual representation of the frequency content of the input
signal (Figure 70. If Both Channels is selected in the selection box below the display window, the
AIC3253 CS polls the registers related to both channels. To enable polling, set the ON/OFF switch to ON.
Modifying the DAC volume control does not affect the spectrum reading because the analysis is done
before the DAC volume control.
Although an option is available to program the codec for this feature when the panel pops up, provision is
made to re-program this miniDSP application by clicking the Program Spectrum Analyzer into miniDSP
button.
Figure 7. Spectrum Analyzer
4.1.4
Control Categories
The Digital Settings, Analog Settings, and Signal Processing categories provide control of many
registers and other features of the TLV320AIC3253 . These categories are intended for the advanced
user. Hovering the mouse cursor on top of a control displays a tip strip that contains page, register, and bit
information. As an example, hovering on top of the ‘J’ control of the Clocks / Interface panel, as shown in
Figure 8 displays p0_r6_b5-0 which means that this control writes to Page 0/Register 6, Bits D5 to D0.
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Figure 8. Audio Inputs Panel
Before changing a control, see the data sheet to ensure that a particular control is compatible with the
current state of the codec. As an example, some controls in the Analog Setup panel must be modified in
a particular order as described in the data sheet. Other controls must only be modified with a specific
hardware setup, such as powering up the AVDD LDO.
All controls update their status with respect to the register contents in the following conditions:
• A panel is opened.
• The Execute Command Buffer button in the Command-Line Interface is pressed (if enabled to do
so).
• The Refresh button at the bottom right of a panel is pressed.
4.2
Status Flags Panel
The TLV320AIC3253 status flags can monitored in the Status Flags panel (Figure 9) which is located
below the Panel Selection Tree . Pressing the POLL button continuously reads all the registers relevant
to each flag and updates those flags accordingly. The rate at which the registers are read can be modified
by changing the value in the Polling Interval numeric control. Note that a smaller interval reduces
responsiveness of other controls, especially volume sliders, due to bandwidth limitations. By default, the
polling interval is 200 ms and can be set to a minimum of 20 ms.
The Sticky Flags tab contains indicators whose corresponding register contents clear every time a read is
performed to that register. To read all the sticky flags, click the Read Sticky Flags button.
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Figure 9. Status Flags Panel
4.3
Register Tables Panel
The contents of configuration and coefficient pages of the TLV320AIC3253 can be accessed through the
Register Tables panel (Figure 10).
The Page Number control changes to the page to be displayed in the register table. The register table
contains page information such as the register name, reset value, current value, and a bitmap of the
current value. The contents of the selected page can be exported into a spreadsheet by clicking the Dump
to Spreadsheet button.
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Figure 10. Register Tables Panel
4.4
Command-Line Interface Panel
The Command-Line Interface panel provides a means to communicate with the TLV320AIC3253 using a
simple scripting language (described in Section G.1). The TAS1020B USB Controller (located on the USBMODEVM motherboard) handles all communication between the PC and the TLV320AIC3253.
A script is loaded into the command buffer, either by loading a script file using the File menu or by pasting
text from the clipboard using the Ctrl-V key combination (Figure 11).
When the command buffer is executed, the return data packets which result from each individual
command are displayed in the Command History control. This control is an array (with a maximum size
of 100 elements) that contains information about each command as well as status. The Interface box
displays the interface used for a particular command in the Command History array. The Command box
displays the type of command executed (i.e., write, read) for a particular interface. The Flag Retries box
displays the number of read iterations performed by a Wait for Flag command (see Section G.1 for
details). The Register Data array displays the register number and data bytes that correspond to a
particular command.
The Information tab provides additional information related to the Command History as well as
additional settings. The Syntax and Examples tabs provide useful information related to the scripting
language.
The File menu provides some options for working with scripts. The first option, Open Script File..., loads a
command file script into the command buffer. This script can then be executed by pressing the Execute
Command Buffer button. The contents of the Command Buffer can be saved using the Save Script
File... option.
Both the Command Buffer and Command History can be cleared by clicking their corresponding Clear
buttons.
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AIC3253 Control Software
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Figure 11. Command-line Interface Panel
18
TLV320AIC3253EVM-K
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
www.ti.com
Appendix A EVM Connector Descriptions
This appendix contains the connection details for each of the main connectors on the EVM.
A.1
A.1.1
Analog Interface Connectors
Analog Dual-Row Socket Details, J11 and J21
The TLV320AIC3253EVM has two analog dual-row sockets located at the bottom of the board. These
sockets provide support to the EVM and connect the analog ground plane of the EVM to the USBMODEVM analog ground. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9 for a variety of
mating connector options. Table 3 summarizes the analog interface pinout for the TLV320AIC3253EVM.
Table 3. Analog Interface Pinout
PIN NUMBER
SIGNAL
DESCRIPTION
J11.1
NC
Not Connected
J11.2
NC
Not Connected
J11.3
NC
Not Connected
J11.4
NC
Not Connected
J11.5
NC
Not Connected
J11.6
NC
Not Connected
J11.7
NC
Not Connected
J11.8
NC
Not Connected
J11.9
AGND
Analog Ground
J11.10
NC
Not Connected
J11.11
AGND
Analog Ground
J11.12
NC
Not Connected
J11.13
AGND
Analog Ground
J11.14
NC
Not Connected
J11.15
NC
Not Connected
J11.16
NC
Not Connected
J11.17
AGND
Analog Ground
J11.18
NC
Not Connected
J11.19
AGND
Analog Ground
J11.20
NC
Not Connected
J21.1
NC
Not Connected
J21.2
NC
Not Connected
J21.3
NC
Not Connected
J21.4
NC
Not Connected
J21.5
NC
Not Connected
J21.6
NC
Not Connected
J21.7
NC
Not Connected
J21.8
NC
Not Connected
J21.9
AGND
Analog Ground
J21.10
NC
Not Connected
J21.11
AGND
Analog Ground
J21.12
NC
Not Connected
J21.13
AGND
Analog Ground
J21.14
NC
Not Connected
J21.15
NC
Not Connected
J21.16
NC
Not Connected
J21.17
AGND
Analog Ground
J21.18
NC
Not Connected
J21.19
AGND
Analog Ground
SLAU317A – May 2010 – Revised October 2012
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Copyright © 2010–2012, Texas Instruments Incorporated
EVM Connector Descriptions
19
Analog Interface Connectors
www.ti.com
Table 3. Analog Interface Pinout (continued)
A.1.2
PIN NUMBER
SIGNAL
DESCRIPTION
J21.20
NC
Not Connected
Analog Screw Terminal and Audio Jack Details, J1 to J10
The analog inputs and outputs can be accessed through screw terminals or audio jacks.
Table 4 summarizes the screw terminals and audio jacks available on the TLV320AIC3253EVM.
Table 4. Alternate Analog Connectors
20
DESIGNATOR
PIN 1
PIN 2
PIN 3
J1 (HEADPHONE)
HPL
GND
HPR
PIN 4
PIN 5
PIN 6
J2 (HEADSET OUTPUT)
GND
HPL
HPR
SCLK
NC
NC
J3 (HEADPHONE TEST
ONLY)
GND
HPL
HPR
NC
NC
J4 (LINE IN)
J5 (LINE IN)
GND
INL
INR
NC
NC
INL
GND
INR
J6 (DIG_MIC 1)
DIG_MIC_PWR
DIG_MIC_CLK
DIG_MIC_DATA
DIG_MIC_GND
J7 (DIG_MIC 2)
DIG_MIC_PWR
DIG_MIC_CLK
DIG_MIC_DATA
DIG_MIC_GND
EVM Connector Descriptions
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
Digital Interface Connectors, P12/J12 and P22/J22
www.ti.com
A.2
Digital Interface Connectors, P12/J12 and P22/J22
The TLV320AIC3253EVM is designed to easily interface with multiple control platforms. Samtec part
numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin, dual-row
header/socket combination at P12/J12 and P22/J22. These headers/sockets provide access to the digital
control and serial data pins of the device. Consult Samtec at www.samtec.com or call 1-800- SAMTEC-9
for a variety of mating connector options. Table 5 summarizes the digital interface pinout for the
TLV320AIC3253EVM.
Table 5. Digital Interface Pinout
PIN NUMBER
SIGNAL
DESCRIPTION
P12.1/J12.1
NC
Not Connected
P12.2/J12.2
NC
Not Connected
P12.3/J12.3
SCLK
SPI Serial Clock
P12.4/J12.4
DGND
Digital Ground
P12.5/J12.5
NC
Not Connected
P12.6/J12.6
NC
Not Connected
P12.7/J12.7
/SS
SPI Chip Select
P12.8/J12.8
RESET
TAS1020B Reset
P12.9/J12.9
NC
Not Connected
P12.10/J12.10
DGND
Digital Ground
P12.11/J12.11
MOSI
SPI MOSI Slave Serial Data Input
P12.12/J12.12
NC
Not Connected
P12.13/J12.13
MISO
SPI MISO Slave Serial Data Output
P12.14/J12.14
RESET
TAS1020B Reset
P12.15/J12.15
NC
Not Connected
P12.16/J12.16
SCL
I2C Serial Clock
P12.17/J12.17
NC
Not Connected
P12.18/J12.18
DGND
Digital Ground
P12.19/J12.19
NC
Not Connected
P12.20/J12.20
SDA
I2C Serial Data Input/Output
P22.1/J22.1
NC
Not Connected
P22.2/J22.2
NC
Not Connected
P22.3/J22.3
BCLK
Audio Serial Data Bus Bit Clock (Input/Output)
P22.4/J22.4
DGND
Digital Ground
P22.5/J22.5
NC
Not Connected
P22.6/J22.6
NC
Not Connected
P22.7/J22.7
WCLK
Audio Serial Data Bus Word Clock (Input/Output)
P22.8/J22.8
NC
Not Connected
P22.9/J22.9
NC
Not Connected
P22.10/J22.10
DGND
Digital Ground
P22.11/J22.11
DIN
Audio Serial Data Bus Data Input (Input)
P22.12/J22.12
NC
Not Connected
P22.13/J22.13
DOUT
Audio Serial Data Bus Data Output (Output)
P22.14/J22.14
NC
Not Connected
P22.15/J22.15
NC
Not Connected
P22.16/J22.16
NC
Not Connected
P22.17/J22.17
MCLK
Master Clock Input
P22.18/J22.18
DGND
Digital Ground
P22.19/J22.19
NC
Not Connected
P22.20/J22.20
NC
Not Connected
SLAU317A – May 2010 – Revised October 2012
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Copyright © 2010–2012, Texas Instruments Incorporated
EVM Connector Descriptions
21
Power Supply Connector Pin Header, P23/J23
www.ti.com
Note that P22/J22 comprises the signals needed for an I2S™ serial digital audio interface; the control
interface ( I2C™ and RESET) signals are routed to P12/J12.
A.3
Power Supply Connector Pin Header, P23/J23
P23/J23 provides connection to the common power bus for the TLV320AIC3253EVM. Power is supplied
on the pins listed in Table 6.
Table 6. Power Supply Pin Out
SIGNAL
PIN NUMBER
SIGNAL
NC P23.1/J23.1
P23.2/J23.2 NC
+5VA P23.3/J23.3
P23.4/J23.4 NC
DGND P23.5/J23.5
P23.6/J23.6 AGND
+1.8VD P23.7/J23.7
P23.8/J23.8 NC
+3.3VD P23.9/J23.9
P23.10/J23.10 NC
The TLV320AIC3253EVM-K motherboard (the USB-MODEVM Interface board) supplies power to P23/J23
of the TLV320AIC3253EVM. Power for the motherboard is supplied either through its USB connection or
via terminal blocks on that board.
22
EVM Connector Descriptions
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
www.ti.com
Appendix B TLV320AIC3253EVM Schematic
The schematic diagram for the TLV320AIC3253EVM is provided as a reference.
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
TLV320AIC3253EVM Schematic
23
1
2
3
4
5
6
Revision History
REV
ECN Number
Approved
Daughtercard_Interface
Daughtercard_Interface.SCH
D
D
C
C
B
B
ti
A
DATA ACQUISITION PRODUCTS
HIGH PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
12500 T.I. Boulevard, Dallas, Texas 75243 USA
TITLE
ENGINEER Mike Tsecouras
TLV320AIC3253_RGE_EVM
DRAWN BYSteve Leggio
DOCUMENT CONTROL NO.N/A
SHEET 1
1
2
3
4
5
OF 3
SIZE A
DATE 18-Mar-2009
REV 01
FILE
6
A
1
2
3
4
5
6
REVISION HISTORY
REV
D
AGND
AGND
VCOM
AGND
AGND
AGND
A3(-)
A2(-)
A1(-)
A0(-)
APPROVED
P12/ J12
J11
19
17
15
13
11
9
7
5
3
1
ENGINEERING CHANGE NUMBER
REF+
REFA7
A6
A5
A4
A3(+)
A2(+)
A1(+)
A0(+)
20
18
16
14
12
10
8
6
4
2
SCLK
/SS
MOSI
MISO
1
3
5
7
9
11
13
15
17
19
CONN_EVM_ANALOG
BOTTOM SIDE
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
2
4
6
8
10
12
14
16
18
20
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
W3
1
D
2
RESET
/RESET
SCL
SDA
DAUGHTER-SERIAL
P12 (TOP) = SAMTEC - P/N: TSM-110-01-L-DV-P
J12 (BOTTOM) = SAMTEC - P/N: SSW-110-22-F-D-VS-K
3
VIN
10
TP4
+1.8VA
C5
10uF
U3
LM317
R3
3
2
C2
47uF
C4
0.1uF
C
C8
0.1uF
HPVDD
IN
ADJ
+5VA
C3
0.1uF
+1.8VA
2
VOUT
1
C1
47uF
GND
U2
REG1117A-18
R2
2
OUT
TP5
HPVDD
R5
240
1
+5VA
C
C6
10uF
C9
0.1uF
R1
500
J21
19
17
15
13
11
9
7
5
3
1
B
AGND
AGND
VCOM
AGND
AGND
AGND
A3(-)
A2(-)
A1(-)
A0(-)
REF+
REFA7
A6
A5
A4
A3(+)
A2(+)
A1(+)
A0(+)
P22/ J22
C7
10uF
R4
47
20
18
16
14
12
10
8
6
4
2
BCLK
WCLK
DIN
DOUT
TP1
+5VA
+5VA
CONN_EVM_ANALOG
BOTTOM SIDE
TP2
P23/J23
1
3
5
7
9
+1.8VD
+1.8VD
TP3
DIGMIC_PWR
TP12
DIGMIC_PWR
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
2
4
6
8
10
12
14
16
18
20
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
B
DAUGHTER-SERIAL
P22 (TOP) = SAMTEC - P/N: TSM-110-01-L-DV-P
J22 (BOTTOM) = SAMTEC - P/N: SSW-110-22-F-D-VS-K
P23 (TOP) = SAMTEC - P/N: TSM-105-01-L-DV-P
J23 (BOTTOM) = SAMTEC - P/N: SSW-105-22-F-D-VS-K
IOVDD
IOVDD
+1.8VD
+3.3VD
For any IOVDD (W1) jumper setting, ensure
that IOVDD SELECT switches on the
USB-MODEVM are set accordingly.
3
2
1
+1.8VD
3
2
1
+3.3VD
-VA
-5VA
AGND
VD1
+5VD
DAUGHTER-POWER
+3.3VD
+3.3VD
TP11
+VA
+5VA
DGND
+1.8VD
+3.3VD
MCLK
2
4
6
8
10
1
3
5
7
9
11
13
15
17
19
W2
DIGMIC_PWR
W1
IOVDD
TP6
HPGND
TP7
TP8
MICGND AGND
TP9
DGND
ti
TP10
DGND
A
DATA ACQUISITION PRODUCTS
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
12500 T.I. Boulevard, Dallas, Texas 75243 USA
ENGINEER MIKE TSECOURAS
TITLE
TLV320AIC3253_RGE_EVM
DRAWN BY STEVE LEGGIO
DOCUMENT CONTROL NO.N/A
SHEET 2
1
2
3
4
5
OF 3
SIZE B
DATE 18-Mar-2009
REV 01
FILE
6
A
1
2
3
4
5
6
Revision History
REV
W10
2
1
ECN Number
Approved
C29 IOVDD
IOVDD
0.1uF
HPL
D
R6
0
2
C23
NI
3
C24
NI
47uF
C26
R7
0
2
4
5
3
1
C20
47nF
1
TP23
SCL/SSZ
W9
1
TP24
SDA/MOSI
2
W8
J3
2
5
6
3
4
1
W11
R10
16
C21
47nF
R11
16
5
4
6
8
7
9
R13
4.7K
W13
11
2
1
HPVDD
W4
1
W14
1
2
3
SJ1-3515-SMT
0.47uF
0.1uF
TP21
INR
0.47uF
14
INL
15
INR
16
REF
17
MICBIAS 18
J5
TP31
/SS
TP32
MOSI
TP33
MISO
TP34
SCLK
2
TP26
TP27
DIG_MIC_DATA
DIG_MIC_CLK
1
3
2
7
8
SCL/SS
SDA/MOSI
MISO/MFP4
DIGMIC_PWR
IOVDD
DIGMIC_PWR
C32
C33
10uF
C34
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
VCCA VCCB
A
B
GND
DIR
U8
6
4
5
1
3
2
VCCA VCCB
A
B
GND
DIR
SCLK/MFP3
DOUT/MFP2
INL
DIN/MFP1
INR
WCLK
REF
BCLK
MICBIAS
MCLK
6
MFP3
5
DOUT
4
DIN
3
WCLK
2
BCLK
1
MCLK
6
4
5
SN74AVC1T45DBV
IOVDD
AVSS
SCLK
DIGMIC_PWR
R34
4.7K
C
DIG_MIC_PWR
2
2
3
3
4
4
TP28
MFP3
TP35
DOUT
TP36
DIN
TP37
WCLK
TP38
BCLK
TP39
MCLK
TP40
/RESET
DIG_MIC_CLK
DIG_MIC_DATA
DIG_MIC_GND
R23
DOUT
0
R24
DIN
0
R25
WCLK
0
R26
BCLK
0
B
R27
MCLK
0
R28
/RESET
PPAD
0
R29
10K
/RESET
C38
0.1uF
C14
0.1uF
C19
22uF
10uF
ti
IOVDD
IOVDD
1
W7
2
1
W6
2
TP17
+1.8VD
1
S2
0.1uF
C18
TP16
DVDD
DIG_MIC 2
J7
10uF
C35
0.1uF
24
23
22
21
20
C13
A
MISO
R22
1
DVDD
VREF
/RESET
SPI_SEL 19
TP15
LINE IN
R21
0
C37
3
INR
0
IOVDD
IOVDD
IOVSS
10uF
MOSI
0
DVDD
0.1uF
C17
DVSS
TP41
MICBIAS
RESET
SPI_SELECT
INL
2
/SS
R20
DIG_MIC 1
J6
C12
1
R19
0
DIGMIC_PWR
C31
SN74AVC1T45DBV
TLV320AIC3253
AVDD
SDA
C36
C30
U7
SCL/SSZ
SDA/MOSI
MISO
HPR
HPR
9
10
11
LDOIN/HPVDD
HPL
13
SCL
R18
HP_DET
IOVDD
HPL
12
22uF
C11
C27
C28
LINE IN
B
C16
AVDD
TP20
INL
R17
0
0
U1
2
D
MICROCHIP_24AA64
HD_DET
2
0.1uF
TP14
AVDD
R16
2.7K
0
C15
+1.8VA
W5
1
8
7
6
5
TP29
SCL
TP30
SDA
22uF
C10
2
4
5
3
1
A0
VCC
A1
WP
A2
SCL
VSS SDA
TP25
TP13
HPVDD
R12
2.2K
J4
1
2
3
4
W15
1
W12
MICBIAS
R15
2.7K
U4
10
12
SJ1-3515-SMT
HEADPHONE
TEST ONLY
HEADPHONE JACK
CUI_SJ-43516-SMT
C
4PDT_ESW_EG4208
SW1
1
2
3
TP22
SPI_SEL
TP19
HPR
47uF
2
2
J2
R9
100
1
R8
100
HPR
HEADPHONE
IOVDD
2
1
R14
2.7K
SW1:
I2C SEL = 0
SPI SEL = 1
TP18
HPL
C25
1
C22
NI
J1
DATA ACQUISITION PRODUCTS
HIGH PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
12500 T.I. Boulevard, Dallas, Texas 75243 USA
TITLE
ENGINEER Mike Tsecouras
TLV320AIC3253_RGE_EVM
DRAWN BYSteve Leggio
DOCUMENT CONTROL NO.N/A
SHEET 1
1
2
3
4
5
OF 3
SIZE A
DATE 18-Mar-2009
REV 01
FILE
6
A
www.ti.com
Appendix C TLV320AIC3253EVM Layout Views
C.1
Layout Views
Figure 12. Top Layer
Figure 13. Mid-Layer 1
24
TLV320AIC3253EVM Layout Views
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
Layout Views
www.ti.com
Figure 14. Mid-Layer 2
Figure 15. Bottom Layer
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
TLV320AIC3253EVM Layout Views
25
Layout Views
www.ti.com
Figure 16. Top Overlay
Figure 17. Bottom Overlay
26
TLV320AIC3253EVM Layout Views
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
Layout Views
www.ti.com
Figure 18. Drill Drawing
Figure 19. Composite
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
TLV320AIC3253EVM Layout Views
27
www.ti.com
Appendix D TLV320AIC3253EVM Bill of Materials
The complete bill of materials for the TLV320AIC3253EVM is provided as a reference.
Table 7. TLV320AIC3253EVM Bill of Materials
PCB
Qty
Value
1
Ref Des
Description
Vendor
N/A
TLV320AIC3253_RGE_EVM_REV01 (PWB)
Texas
Instruments
Part number
RESISTORS
Qty
Value
Ref Des
Description
Vendor
Part number
12
0
R17, R18, R19, R20,
R21, R22, R23, R24,
R25, R26, R27, R28
RES ZERO OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEY0R00V
2
0
R6, R7
RES ZERO OHM 1/4W 5% 1206 SMD
Panasonic
ERJ-8GEY0R00V
1
2
R3
RESISTOR 2.0 OHM 1/4W 5% 1206
Panasonic
ERJ-8GEYJ2R0V
1
10
R2
RES 10 OHM 1/4W 5% 1206 SMD
Panasonic
ERJ-8GEYJ100V
2
16
R10, R11
RES 16 OHM 1W 5% 2512 SMD
Panasonic
ERJ-1TYJ160U
1
47
R4
RES 47 OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ470V
2
100
R8, R9
RES 100 OHM 1/10W 1% 0603 SMD
Panasonic
ERJ-3EKF1000V
1
240
R5
RES 240 OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ241V
1
500
R1
TRIMPOT 500 OHM 4MM TOP ADJ SMD
Bourns Inc.
3214W-1-501E
1
2.2K
R12
RES 2.2K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ222V
3
2.7K
R14, R15, R16
RES 2.7K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ272V
3
4.7K
R13, R29, R34
RES 4.7K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ472V
CAPACITORS
Qty
Value
Ref Des
Description
Vendor
Part number
2
47000pF
C20, C21
CAP CER 47000PF 50V X7R 10% 0603
TDK Corporation
C1608X7R1H473K
5
0.1uF
C10, C11, C12, C13,
C14
CAP CER .10UF 6.3V X5R 10% 0402
TDK Corporation
C1005X5R0J104K
8
0.1uF
C29, C30, C31, C32,
C33, C34, C35, C38
CAP CER .1UF 25V X7R 0603
TDK Corporation
C1608X7R1E104K
4
0.1uF
C3, C4, C8, C9
CAP .1UF 25V CERAMIC X7R 0805
Panasonic
ECJ-2VB1E104K
2
0.47uF
C27, C28
CAP CER .47UF 10V X5R 10% 0603
Panasonic
C1608X5R1A474K
4
10uF
C17, C19, C36, C37
CAP CERAMIC 10UF 6.3V X5R 0603
Panasonic
ECJ-1VB0J106M
3
10uF
C5, C6, C7
CAP CERAMIC 10UF 10V X5R 0805
Panasonic
ECJ-2FB1A106K
3
22uF
C15, C16, C18
CAP CER 22UF 6.3V X5R 20% 0805
TDK Corporation
C2012X5R0J226M
4
47uF
C1, C2, C25, C26
CAP CER 47UF 10V X5R 1210
Murata
GRM32ER61A476KE
20L
3
no value –
not
installed
C22, C23, C24
CAP 1206
N/A
N/A
Ref Des
Description
Vendor
Part number
1
U1
Audio Codec
Texas
Instruments
TLV320AIC3253IRGE
1
U2
Single Output LDO, 1.0A, Fixed(1.8V)
Texas
Instruments
REG1117A-1.8
(SOT-223, DCY)
1
U3
3-Pin 1.5-A Adjustable Voltage Regulator
Texas
Instruments
LM317DCY
1
U4
IC SERIAL EEPROM 64K 2.5V 8-SOIC
MicroChip
24LC64-I/SN
2
U7, U8
Single-Bit Dual-Supply Bus Transceiver
Texas
Instruments
SN74AVC1T45DBVR
28
TLV320AIC3253EVM Bill of Materials
INTEGRATED CIRCUITS
Qty
Value
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
Appendix D
www.ti.com
Table 7. TLV320AIC3253EVM Bill of Materials (continued)
MISCELLANEOUS ITEMS
Used
Value
Ref Des
Description
Vendor
Part number
1
S2
SWITCH LT TOUCH 6X3.5 240GF SMD
Panasonic
EVQ-5PN04K
1
SW1
SWITCH SLIDE 4PDT 30V RT ANGLE
E-Switch
EG4208
2
P12, P22
20 Pin SMT Plug Header
Samtec
TSM-110-01-L-DV-P
4
J11, J12, J21, J22
20 pin SMT Socket Header
Samtec
SSW-110-22-F-D-VSK
1
P23
10 Pin SMT Plug Header
Samtec
TSM-105-01-L-DV-P
1
J23
10 pin SMT Socket Header
Samtec
SSW-105-22-F-D-VSK
1
J2
JACK AUDIO MINI(3.5MM ,4-COND PCB-RA
ROHS
CUI Inc.
SJ-43516-SMT
2
J3, J4
3.5mm Audio Jack, T-R-S, SMD
CUI Inc.
SJ1-3515-SMT
2
J1, J5
Screw Terminal Block, 3 Position
On Shore
Technology
ED555/3DS
2
J6, J7
Screw Terminal Block, 4 Position
On Shore
Technology
ED555/4DS
12
not
installed
TP1, TP2, TP3, TP4,
TP5, TP11, TP12,
TP13, TP14, TP15,
TP16, TP17
TEST POINT PC MINI .040"D RED
Keystone
Electronics
5000
24
not
installed
TP18, TP19, TP20,
TP21, TP22, TP23,
TP24, TP25, TP26,
TP27, TP28, TP29,
TP30, TP31, TP32,
TP33, TP34, TP35,
TP36, TP37, TP38,
TP39, TP40, TP41
TEST POINT PC MINI .040"D WHITE
Keystone
Electronics
5002
5
TP6, TP7, TP8, TP9,
TP10
TEST POINT PC MULTI PURPOSE BLK
Keystone
Electronics
5011
12
W3, W4, W5, W6, W7,
W8, W9, W10, W11,
W12, W13, W15
2 Pin Thru-hole Plug Header (Jumper), 0 .1"
spacing
Samtec
TSW-102-07-L-S
3
W1, W2, W4
3 Position Jumper , 0 .1" spacing
Samtec
TSW-103-07-L-S
Header Shorting Block
Samtec
SNT-100-BK-T
Installed
Installed per test
per test
procedure.
procedure.
ATTENTION:
Alternate Resistor and Capacitor vendors may be used. In this case substitutions must have like descriptions.
All components should be RoHS compliant. Some part numbers may be either leaded or RoHS. Verify purchased components are RoHS
compliant.
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
TLV320AIC3253EVM Bill of Materials
Copyright © 2010–2012, Texas Instruments Incorporated
29
www.ti.com
Appendix E USB-MODEVM Schematic
The schematic diagram for USB-MODEVM Interface Board is provided as a reference.
30
USB-MODEVM Schematic
SLAU317A – May 2010 – Revised October 2012
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
1
2
3
4
6
5
REVISION HISTORY
REV
ENGINEERING CHANGE NUMBER
APPROVED
D
D
USB Interface
USB Interface
Daughtercard Interface
Daughtercard Interface
MCLK
BCLK
LRCLK
I2SDIN
I2SDOUT
MISO
MOSI
SS
SCLK
RESET
INT
PWR_DWN
P3.3
P3.4
P3.5
P1.0
SDA
SCL
P1.1
P1.2
P1.3
C
MCLK
BCLK
LRCLK
I2SDIN
I2SDOUT
MISO
MOSI
SS
SCLK
RESET
INT
PWR_DWN
P3.3
P3.4
P3.5
P1.0
SDA
SCL
P1.1
P1.2
P1.3
C
B
B
ti
A
DATA ACQUISITION PRODUCTS
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
ENGINEER FRYE D. ZERKETTS
untitled
DRAWN BY I. C. SPOTTS
DOCUMENT CONTROL NO.1234567
SHEET 1
1
2
3
4
5
OF
1
FILE
SIZE B
DATE dd MMM yyyy
???
6
REV A
A
1
2
3
4
6
5
REVISION HISTORY
REV
ENGINEERING CHANGE NUMBER
APPROVED
D
1
2
3
D
J11
J12
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
2
4
6
8
10
12
14
16
18
20
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
1
3
5
7
9
11
13
15
17
19
+5VA
DAUGHTER-ANALOG
1
3
5
7
9
+5VD
JMP1
1
-VA
-5VA
AGND
VD1
+5VD
SCLK
TP1
TP2
J12A (TOP) = SAM_TSM-110-01-L-DV-P
J12B (BOTTOM) = SAM_SSW-110-22-F-D-VSIOVDD
+5VD
RESET
IOVDD
IOVDD
C3
TP3
PWR_DWN
2
JMP3
R21
390
2.7K
J2
+5VA
D6
SML-LX0603GW-TR
D7
SML-LX0603GW-TR
GREEN
GREEN
J3
+5VD
P3.3
P3.4
P3.5
P1.0
C
P1.1
P1.2
P1.3
P3.1-P3.2
R7
200k
+3.3VD
R8
R1
R22
390
J1
-5VA
GATE
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
INT
MOSI
1
+3.3VD
GND
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
24
23
22
21
20
19
18
17
16
15
14
13
SN74TVC3010PW
MISO
10uF
1
10uF
R6
U6
1
2
3
4
5
6
7
8
9
10
11
12
JMP4
TP4
10uF
IOVDD
SS
+5VD
C2
0.1uF
2
+5VA
C29 +3.3VD
RA2
10k
DAUGHTER-SERIAL
JMP2
C1
IOVDD
-5VA
2
4
6
8
10
DAUGHTER-POWER
TP7
TP8
AGND
DGND
1
-5VA
JMP5
2
4
6
8
10
12
14
16
18
20
200k
+VA
+5VA
DGND
+1.8VD
+3.3VD
2
JPR-2X1
C
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
J13
J11A (TOP) = SAM_TSM-110-01-L-DV-P
J11B (BOTTOM) = SAM_SSW-110-22-F-D-VS+5VA
J13A (TOP) = SAM_TSM-105-01-L-DV-P
J13B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
2
1
3
5
7
9
11
13
15
17
19
SCL
200k
R2
TP5
+1.8VD
C4
C5
10uF
10uF
2.7K
SDA
MCLK
I2SDOUT
J4
+1.8VD
J5
+3.3VD
I2SDIN
LRCLK
BCLK
J16
1
3
5
7
9
11
13
15
17
19
B
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
J17
2
4
6
8
10
12
14
16
18
20
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
1
3
5
7
9
11
13
15
17
19
+5VA
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
2
4
6
8
10
12
14
16
18
20
B
DAUGHTER-SERIAL
DAUGHTER-ANALOG
J18
J16A (TOP) = SAM_TSM-110-01-L-DV-P
J16B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
+1.8VD
1
3
5
7
9
+VA
+5VA
DGND
+1.8VD
+3.3VD
-VA
-5VA
AGND
VD1
+5VD
2
4
6
8
10
-5VA
J17A (TOP) = SAM_TSM-110-01-L-DV-P
J17B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
DAUGHTER-POWER
+3.3VD
+5VD
IOVDD
ti
J18A (TOP) = SAM_TSM-105-01-L-DV-P
J18B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
A
DATA ACQUISITION PRODUCTS
A
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
ENGINEER RICK DOWNS
USB-MODEVM INTERFACE
DRAWN BY ROBERT BENJAMIN
DOCUMENT CONTROL NO.6463996
SHEET 2
1
2
3
4
5
OF
2
FILE
SIZE B
DATE 3-Apr-2007
REV D
C:\01_TI\designs\USB_MODEVM\usb-modevm_revD\USB Motherboard - ModEvm.ddb - Documents\SCH\Daughtercard Interface
6
1
2
3
4
6
5
REVISION HISTORY
REV
C33 +3.3VD
+3.3VD
APPROVED
C41
0.1uF
5
1
IOVDD C32
ENGINEERING CHANGE NUMBER
SDA
C31
U11
VREF1
J6
1
3
SDA1
SCL1
GND
EXTERNAL I2C
0.1uF
0.1uF
USB I2S
SN74AVC4T245PW
PCA9306DCT
+3.3VD
5
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
0.1uF
SCL
C19
C
C20
J7 USB SLAVE CONN
46
47
48
1
3
5
6
7
4
16
28
45
100pF
GND
D+
DVCC
4
3
2
1
C21
R9
1.5K
R12
3.09K
.001uF
R10
27.4
897-30-004-90-000000
R11
C14
47pF
1
2
3
C13
47pF
27.4
XTALO
XTALI
PLLFILI
PLLFILO
MCLKI
PUR
DP
DM
DVSS
DVSS
DVSS
AVSS
75
I2SDIN
BCLK
LRCLK
IOVDD
J14
I2SDOUT
1
3
5
7
9
11
0.1uF
U5
1
VCCB VCCA
3
B
A
2
DIR
GND
PWR_DWN
IOVDD C26
C
U7
6
4
IOVDD 5
31
30
29
27
26
25
24
23
8
21
33
2
VCCB VCCA
B
A
DIR
GND
0.1uF
MOSI
16
15
14
13
12
11
10
9
P1.0
+3.3VD
C11
0.1uF
C12
0.1uF
R13
C27
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
J15
1
2
3
4
5
6
7
8
0.1uF
1
3
5
7
9
11
2
4
6
8
10
12
EXTERNAL SPI
SN74AVC4T245PW
INT
USB SPI
P3.5
D2
P3.4
SML-LX0603YW-TR
YELLOW
P3.1-P3.2
R17
+3.3VD
100K
C36 IOVDD
C44
1uF
SML-LX0603GW-TR
+5VD
JMP6
PWR SELECT
6VDC-10VDC IN
CUI-STACK PJ102-BH
2.5 MM
GREEN
3
9
3
C16
0.33uF
VIN
GND
U2
REG1117-5
D1
C15 DL4001
0.1uF
U9
5
6
4
2
VOUT
C6
10uF
R15
10K
10
11
12
R16
10K
SW1
1
2
4
3
1IN
1IN
1EN
1GND
2GND
2EN
2IN
2IN
1RESET
1OUT
1OUT
2RESET
2OUT
2OUT
TPS767D318PWP
3.3VD ENABLE
1.8VD ENABLE
R4
10
C7
28
10uF
24
23
22
+3.3VD
18
17
10uF
IOVDD
2
D8
4
SN74LVC1G06DBV
IOVDD
0.1uF
U16
GREEN
SML-LX0603GW-TR
TP6
R25
R26
22.1k
137k
R27
R28
25.5k
76.8k
R29
R30
28k
56.2k
R31
R32
32.4k
48.7k
R33
R34
39.2k
36.5k
R35
R36
46.4k
30.9k
R37
R18
52.3k
30.1k
1
3
2
RED
C37
0.1uF
IN
OUT
EN
GND
FB
TPS73201DBV
R19
220
C8
10uF
IOVDD
R38
10M
5
SW3
4
1.2V
1.4V
1.6V
1.8V
2.0V
2.5V
3.0V
3.3V
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
ti
DATA ACQUISITION PRODUCTS
IOVDD SELECT
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
GREEN
TITLE
ENGINEER RICK DOWNS
USB-MODEVM INTERFACE
DRAWN BYROBERT BENJAMIN
DOCUMENT CONTROL NO.6463996
SHEET 1
2
3
A
HIGH PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
REGULATOR ENABLE
1
B
U14
D5
D4
SML-LX0603GW-TR
C17
0.33uF
R24
220
0.1uF
C25
1
J9
6
4
5
VCCA VCCB
A
B
GND
DIR
SN74AVC1T45DBV
SML-LX0603IW-TR
1
2
3
EXT PWR IN
1
3
2
+1.8VD
D3
+3.3VD C39
U13
0.1uF
R14
390
+3.3VD C38
5
+3.3VD
P3.3
3
649
ED555/2DS
SN74AUP1G125DBV
2
4
IOVDD
U4
P1.1
U17
0.1uF
RESET
0.1uF
C10
0.1uF
C40 IOVDD
SS
SN74AVC1T45DBV
+3.3VD C43
P1.2
C24
0.1uF
USB RST
MISO
1
3
2
SCLK
P1.3
USB ACTIVE
A
SW DIP-8
MRESET
+3.3VD
J8
1
2
3
4
5
6
7
8
0.1uF
TP11
B
16
15
14
13
12
11
10
9
2
4
6
8
10
12
EXTERNAL AUDIO DATA
+3.3VD C42
9
10
11
12
13
14
15
17
18
19
20
22
JMP7
JPR-1X3
SW2
A0
A1
A2
USB I2S
USB MCK
USB SPI
USB RST
EXT MCK
R20
MCLK
U8
TAS1020BPFB
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
DVDD
DVDD
DVDD
AVDD
RA1
10K
JMP8
JPR-2X1
SN74LVC1G125DBV
SN74AVC1T45DBV
33pF
6.00 MHZ
D
IOVDD
2
44
43
42
41
40
39
37
38
36
35
34
32
33pF MA-505 6.000M-C0
SCL
SDA
VREN
RESET
MCLKO2
MCLKO1
CSCLK
CDATO
CDATI
CSYNC
CRESET
CSCHNE
24LC64I/SN
X1
C18
6
4
IOVDD 5
MRESET
TEST
EXTEN
RSTO
P3.0
P3.1
P3.2/XINT
P3.3
P3.4
P3.5
NC
NC
VSS
1
2
3
C9
0.1uF
4
A0
A1
A2
VCC
0.1uF
WP
8
+3.3VD
SN74LVC1G126DBV
J10
EXT MCLK
U10
4
U1
SDA
SCL
16
15
14
13
12
11
10
9
SN74AVC4T245PW
+3.3VD C35
C23
TP10
7
2
4
4
3
1
VREF2
EN
SDA2
SCL2
7
8
5
6
USB MCK
6
2
0.1uF
U3
1
2
3
4
5
6
7
8
U15
4
2
1
TP9
R5
2.7K
C28 +3.3VD
5
R3
2.7K
C22 IOVDD
3
EXT MCK
R23
200k
0.1uF
+3.3VD C34
16
15
14
13
12
11
10
9
2
C30
0.1uF
VCCA VCCB
DIR1
OE1
DIR2
OE2
1A1
1B1
1A2
1B2
2A1
2B1
2A2
2B2
GND
GND
1
1
2
3
4
5
6
7
8
3
+3.3VD
1
+3.3VD
5
IOVDD
3
0.1uF
U12
D
4
5
OF
2
FILE
SIZE B
DATE 3-Apr-2007
REV D
C:\01_TI\designs\USB_MODEVM\usb-modevm_revD\USB Motherboard - ModEvm.ddb - Documents\SCH\USB Interface
6
www.ti.com
Appendix F USB-MODEVM Bill of Materials
The complete bill of materials for USB-MODEVM Interface Board is provided as a reference.
Table 8. USB-MODEVM Bill of Materials
Designators
Description
Manufacturer
Mfg. Part Number
R4
10Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1300V
R10, R11
27.4Ω 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF27R4V
R20
75Ω 1/4W 1% Chip Resistor
Panasonic
ERJ-14NF75R0U
R19
220Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ221V
R14, R21, R22
390Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ391V
R13
649Ω 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF6490V
R9
1.5KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1352V
R1–R3, R5–R8
2.7KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ272V
R12
3.09KΩ 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF3091V
R15, R16
10KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1303V
R17, R18
100kΩ 1/10W 5%Chip Resistor
Panasonic
ERJ-3GEYJ1304V
RA1
10KΩ 1/8W Octal Isolated Resistor Array
CTS Corporation
742C163103JTR
C18, C19
33pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H330J
C13, C14
47pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H470J
C20
100pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H101J
C21
1000pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H102J
C15
0.1μF 16V Ceramic Chip Capacitor, ±10%, X7R
TDK
C1608X7R1C104K
C16, C17
0.33μF 16V Ceramic Chip Capacitor, ±20%, Y5V
TDK
C1608X5R1C334K
C9–C12, C22–C28
1μF 6.3V Ceramic Chip Capacitor, ±10%, X5R
TDK
C1608X5R0J1305K
C1–C8
10μF 6.3V Ceramic Chip Capacitor, ±10%, X5R
TDK
C3216X5R0J1306K
D1
50V, 1A, Diode MELF SMD
Micro Commercial Components
DL4001
D2
Yellow Light Emitting Diode
Lumex
SML-LX0603YW-TR
D3– D7
Green Light Emitting Diode
Lumex
SML-LX0603GW-TR
D5
Red Light Emitting Diode
Lumex
SML-LX0603IW-TR
Q1, Q2
N-Channel MOSFET
Zetex
ZXMN6A07F
X1
6MHz Crystal SMD
Epson
MA-505 6.000M-C0
U8
USB Streaming Controller
Texas Instruments
TAS1020BPFB
U2
5V LDO Regulator
Texas Instruments
REG1117-5
U9
3.3V/1.8V Dual Output LDO Regulator
Texas Instruments
TPS767D318PWP
U3, U4
Quad, 3-State Buffers
Texas Instruments
SN74LVC125APW
U5–U7
Single IC Buffer Driver with Open Drain o/p
Texas Instruments
SN74LVC1G07DBVR
U10
Single 3-State Buffer
Texas Instruments
SN74LVC1G125DBVR
U1
64K 2-Wire Serial EEPROM I2C
Microchip
24LC64I/SN
USB-MODEVM PCB
Texas Instruments
6463995
TP1–TP6, TP9–TP11
Miniature test point terminal
Keystone Electronics
5000
TP7, TP8
Multipurpose test point terminal
Keystone Electronics
5011
J7
USB Type B Slave Connector Thru-Hole
Mill-Max
897-30-004-90-000000
J13, J2–J5, J8
2-position terminal block
On Shore Technology
ED555/2DS
J9
2.5mm power connector
CUI Stack
PJ-102B
J130
BNC connector, female, PC mount
AMP/Tyco
414305-1
J131A, J132A, J21A, J22A
20-pin SMT plug
Samtec
TSM-110-01-L-DV-P
J131B, J132B, J21B, J22B
20-pin SMT socket
Samtec
SSW-110-22-F-D-VS-K
J133A, J23A
10-pin SMT plug
Samtec
TSM-105-01-L-DV-P
J133B, J23B
10-pin SMT socket
Samtec
SSW-105-22-F-D-VS-K
J6
4-pin double row header (2x2) 0.1"
Samtec
TSW-102-07-L-D
J134, J135
12-pin double row header (2x6) 0.1"
Samtec
TSW-106-07-L-D
JMP1–JMP4
2-position jumper, 0.1" spacing
Samtec
TSW-102-07-L-S
SLAU317A – May 2010 – Revised October 2012
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Copyright © 2010–2012, Texas Instruments Incorporated
USB-MODEVM Bill of Materials
31
Appendix F
www.ti.com
Table 8. USB-MODEVM Bill of Materials (continued)
Designators
Description
Manufacturer
Mfg. Part Number
JMP8–JMP14
2-position jumper, 0.1" spacing
Samtec
TSW-102-07-L-S
JMP5, JMP6
3-position jumper, 0.1" spacing
Samtec
TSW-103-07-L-S
JMP7
3-position dual row jumper, 0.1" spacing
Samtec
TSW-103-07-L-D
SW1
SMT, half-pitch 2-position switch
C&K Division, ITT
TDA02H0SK1
SW2
SMT, half-pitch 8-position switch
C&K Division, ITT
TDA08H0SK1
Jumper plug
Samtec
SNT-100-BK-T
32
USB-MODEVM Bill of Materials
SLAU317A – May 2010 – Revised October 2012
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Copyright © 2010–2012, Texas Instruments Incorporated
www.ti.com
Appendix G Writing Scripts
G.1
Writing Scripts
A script is simply a text file that contains data to send to the serial control buses.
Each line in a script file is one command. No provision is made for extending lines beyond one line, except
for the > command. A line is terminated by a carriage return.
The first character of a line is the command. Commands are:
i Set interface bus to use
r Read from the serial control bus
w Write to the serial control bus
> Extend repeated write commands to lines below a w
# Comment
b Break
d Delay
f
Wait for Flag
The first command, I, sets the interface to use for the commands to follow. This command must be
followed by one of the following parameters:
i2cstd
i2cfast
spi8
spi16
Standard mode I2C bus
Fast mode I2C bus
SPI bus with 8-bit register addressing
SPI bus with 16-bit register addressing
For example, if a fast mode I2C bus is to be used, the script begins with:
I i2cfast
A double quoted string of characters following the b command can be added to provide information to the
user about each breakpoint. When the script is executed, the software's command handler halts as soon
as a breakpoint is detected and displays the string of characters within the double quotes.
The Wait for Flag command, f, reads a specified register and verifies if the bitmap provided with the
command matches the data being read. If the data does not match, the command handler retries for up to
200 times. This feature is useful when switching buffers in parts that support the adaptive filtering mode.
The command f syntax follows:
f [i2c address] [register] [D7][D6][D5][D4][D3][D2][D1][D0]
where 'i2c address' and 'register' are in hexadecimal format
and 'D7' through 'D0' are in binary format with values of 0,
1 or X for don't care.
Anything following a comment command # is ignored by the parser, provided that it is on the same line.
The delay command d allows the user to specify a time, in milliseconds, that the script pauses before
proceeding. The delay time is entered in decimal format.
A series of byte values follows either a read or write command. Each byte value is expressed in
hexadecimal, and each byte must be separated by a space. Commands are interpreted and sent to the
TAS1020B by the program.
The first byte following an r (read) or w (write) command is the I2C slave address of the device (if I2C is
used) or the first data byte to write (if SPI is usednote that SPI interfaces are not standardized on
protocols, so the meaning of this byte varies with the device being addressed on the SPI bus). The
second byte is the starting register address that data will be written to (again, with I2C; SPI varies.
Following these two bytes are data, if writing; if reading, the third byte value is the number of bytes to
read, (expressed in hexadecimal).
SLAU317A – May 2010 – Revised October 2012
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Writing Scripts
33
Writing Scripts
www.ti.com
For example, to write the values 0xAA 0x55 to an I2C device with a slave address of 0x30, starting at a
register address of 0x03, the user writes:
#example script
I i2cfast
w 30 03 AA 55
r 30 03 02
This script begins with a comment, specifies that a fast I2C bus will be used, then writes 0xAA 0x55 to the
I2C slave device at address 0x30, writing the values into registers 0x03 and 0x04. The script then reads
back two bytes from the same device starting at register address 0x03. Note that the slave device value
does not change. It is unnecessary to set the R/W bit for I2C devices in the script; the read or write
commands does that.
If extensive repeated write commands are sent and commenting is desired for a group of bytes, the >
command can be used to extend the bytes to other lines that follow. A usage example for the > command
follows:
#example script for '>' command
I i2cfast
# Write AA and BB to registers 3 and 4, respectively
w 30 03 AA BB
# Write CC, DD, EE and FF to registers 5, 6, 7 and 8, respectively
> CC DD EE FF
# Place a commented breakpoint
b "AA BB CC DD EE FF was written, starting at register 3"
# Read back all six registers, starting at register 3
r 30 03 06
The following example demonstrates usage of the Wait for Flag command, f:
I
#
w
#
w
#
f
i2cfast
Switch to Page 44
30 00 2C
Switch buffers
30 01 05
Wait for bit D0 to clear. 'x' denotes a don't care.
30 01 xxxxxxx0
Any text editor can be used to write these scripts; Jedit is an editor that is highly recommended for general
usage. For more information, go to: http://www.jedit.org.
Once the script is written, it can be used in the command window by running the program, and then
selecting Open Script File... from the File menu. Locate the script and open it. The script is then displayed
in the command buffer. The user can also edit the script once it is in the buffer and save it by selecting
Save Script File... from the File menu.
Once the script is in the command buffer, it can be executed by pressing the Execute Command Buffer
button. If there are breakpoints in the script, the script executes to that point, and the user is presented
with a dialog box with a button to press to continue executing the script. When ready to proceed, push that
button and the script continues.
34
Writing Scripts
SLAU317A – May 2010 – Revised October 2012
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Copyright © 2010–2012, Texas Instruments Incorporated
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