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Texas Instruments DIR9001EVM - User guides
User's Guide
SLAU225 – July 2007
DIR9001 Evaluation Board
1
2
Contents
Description ....................................................................................................................
1.1
Block Diagram .......................................................................................................
1.2
Operation and Setting ..............................................................................................
Schematic, Printed-Circuit Board and Bill of Materials .................................................................
2.1
DEM-DIR9001 Printed-Circuit Board .............................................................................
2.2
DEM-DIR9001 Schematic Circuit Diagram ......................................................................
2.3
Bill of Materials ......................................................................................................
1
2
2
5
5
7
8
List of Figures
1
2
3
4
5
DEM-DIR9001 Block Diagram .............................................................................................
DEM-DIR9001 Silkscreen ..................................................................................................
DEM-DIR9001 — Top View ...............................................................................................
DEM-DIR9001 — Bottom View ............................................................................................
Schematic .....................................................................................................................
2
5
5
6
7
List of Tables
1
2
1
SW002: FMT0, FMT1 PCM Audio Data Format Selection ............................................................. 3
SW002: PSCK0, PSCK1 System Clock Frequency Selection ......................................................... 3
Description
The DEM-DIR9001 is an evaluation board for the low jitter, Digital Audio Interface Receiver DIR9001. It is
operated by either a single +3.3 V power supply, or a +5 V power supply.
The DEM-DIR9001 has both an Optical Toslink input and an Coaxial input for the SPDIF interface which
can achieve standard digital audio interface format IEC60958, AES/EBU, and JEIAT CPR-1205 (former
EIAJ CP-1201, 340).
The DEM-DIR9001 recovers standard system clock and PCM audio interface clock from incoming biphase
signals such as SPDIF, IEC60958, and AES/EBU. These signals are provided to the audio DAC/DSP,
buffer output, and direct output.
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Description
1.1
Block Diagram
CN052
+3.3 V
CN051
+5 V
HDR501
3.3 V REG
TORX141
OPT IN
CN003
SW003
CN001
COAX IN
DIR9001
CLKST
TP
BFRAME
UOUT
Status Indicator
COUT
x5
SW002
Function
Control
SW004
CLOCK
Control
CN004
SCKO
BCKO
LRCKO
DOUT
X001
24.576 MHz
XTAL
SW001
RESET
CN005
SCKO
BCKO
LRCKO
DOUT
Figure 1. DEM-DIR9001 Block Diagram
1.2
1.2.1
Operation and Setting
Power Supply
+5 V Power supply
Connect the +5 V power supply at CN051 with the 5V jumper connection at the HDR051 connector. For all
internal operations, the +3.3 V power supply is generated by the mounted REG-IC. External +3.3 V is not
required.
+3.3 V Power supply
Connect +3.3 V power supply at CN052 with 3.3 V jumper connection at the HDR051 connector. All +3.3 V
power supply is provided from CN052.
1.2.2
Reset
SW001 is a reset switch for the DIR9001. External automatic power on the reset circuit is combined.
1.2.3
SPDIF Input and Selection
• Connect the Toslink optical fiber cable connector at U001.
• Connect the RCA Coaxial cable connector at CN001.
• Optical input or Coaxial input must be selected by SW003 as OPT or COAX.
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Description
1.2.4
Function Control
Table 1. SW002: FMT0, FMT1 PCM Audio Data Format Selection
FMT[1:0] SETTING
FMT1
DOUT SERIAL AUDIO DATA OUTPUT FORMAT
FMT0
L
L
16-bit MSB first, right justified
L
H
24-bit MSB first, right justified
H
L
24-bit MSB first, left justified
H
H
24-bit MSB first, I2S
Table 2. SW002: PSCK0, PSCK1 System Clock Frequency Selection
PSCK[1:0] SETTING
PSCK1
1.2.5
OUTPUT CLOCK AT PLL SOURCE
PSCK0
SCKO
BCKO
LRCKO
L
L
128fs
64fs
fs
L
H
256fs
64fs
fs
H
L
384fs
64fs
fs
H
H
512fs
64fs
fs
Operation Mode Control
SW004 is the fundamental operation mode control for DIR9001.
XTAL: Outputs connected at the XTAL resonator clock and divided clock
AUTO: Outputs from either the PLL generated clock or the XTAL clock are automatically
selected by the operation status of DIR9001.
DIR9001 is locked into SPDIF interface clock → PLL clock
DIR9001 is unlocked into SPDIF interface clock → XTAL clock
PLL: Outputs from the PLL generated clock
If in the PLL mode operation, XTAL clock is not required for all operations of the
DIR9001.
1.2.6
CN003 Status Output
CN003 is the output for the Channel status (COUT), User bit (UOUT), Bit frame (BFRAME), and clock
transition status (CLKST).
1.2.7
Status Indicator
The following status is shown with an LED indicator.
• ERROR : Unlock or Data parity error
• AUDIO : non audio data
• EMPH : with pre-emphasis
• FSOUT1 : detected sampling rate
• FSOUT2 : detected sampling rate
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Description
1.2.8
CN004, CN005 PCM Audio Interface Clock Output
CN004 and CN005 are PCM audio interface clock outputs (System Clock, LRCK, BCK, and DATA).
CN004 is a buffered output with a mounted logic buffer IC. CN005 is a direct output from DIR9001.
Caution: Pins on the right side are GND.
• SCKO : System Clock (128/256/384/512fs)
• BCKO : PCM audio, BCK clock (64fs)
• LRCKO : PCM audio, LRCK clock (fs)
• DOUT : PCM audio, DATA clock
CN004
CN005
SCKO
BCKO
LRCKO
DOUT
1.2.9
External Clock Input
The external clock can be connected at CN002 (not mounted) by removing the mounted XTAL. This alows
the user to confirm operation of the DIR9001 by another clock source.
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Schematic, Printed-Circuit Board and Bill of Materials
2
Schematic, Printed-Circuit Board and Bill of Materials
This section presents the DEM-DIR9001 printed-circuit boards, the DEM-DIR9001 schematic, and the bill
of materials.
2.1
DEM-DIR9001 Printed-Circuit Board
Figure 2. DEM-DIR9001 Silkscreen
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Figure 3. DEM-DIR9001 — Top View
DIR9001 Evaluation Board
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Schematic, Printed-Circuit Board and Bill of Materials
Figure 4. DEM-DIR9001 — Bottom View
6
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GND
CN001
RCA PJ
GND
OUT 1
U001
TORX141
GND
2
Vcc
C005
10uF/16V
GND
R001
75
R003
2.2k
R002
47k
C003
0.1uF
C001
C002
0.1uF 10uF/16V
3
R005
470
GND
8
7
U002
74LVU04
9
6
11
4
10
12
5
13
3
Vcc
14
2
1
D001
1SS133
C004
0.1uF
SW001
SKHH_SW
2
1
3
R004
47k
6 PSCK1
5 PSCK0
4
C008
18pF
C009
18pF
X001
24.576MHz
GND
(R007)
CN002
FFC-2BMEP1
R006
470
JP001
Measurement Point
C007
C006
10uF/16V 0.1uF
L
7 FMT0
3
H
8 FMT1
2
SW002
DSS104
1
OPTICAL
COAX
3
SW003
FT1D-2M
14
13
12
11
DOUT
10
LRCKO
BCKO
9
8
7
6
5
4
2
FSOUT0
FSOUT1
SCKO
1
______
AUDIO
PSCK1
PSCK0
DOUT
BCKO
LRCKO
CLKST
XTI
XTO
DGND
VDD
SCKO
FSOUT1
FSOUT0
AUDIO
RSV
RXIN
RST
FILT
AGND
VCC
FMT0
FMT1
ERROR
CKSEL
COUT
UOUT
EMPH
BFRAME
U003
DIR9001
FSOUT1
FSOUT0
______
AUDIO
15
16
17
18
19
20
21
22
23
24
25
26
27
28
TP001
COUT
UOUT
BFRAME
C012
0.0047uF
R008
680Ω
LC-2-G
TP005
GND
C013
0.068uF
DIR9001 Evaluation Board
GND
C052
10uF/16V
CN006
FFC-8BMEP1
DOUT
LRCKO
BCKO
SCKO
33
R012
33
R011
33
R010
33
R009
GND
9
8
7
6
5
GND
GND
U006
74LV541
11
GND
13
14
15
16
17
18
19
20
10
Vcc
0.1uF
12
8
7
6
5
4
3
2
1
C015
U005
74HC541
9
GND
11
12
13
14
15
16
17
18
4
3
20
19
Vcc
0.1uF
C014
C053
0.1uF
GND
33
R020
R019
33
33
R018
33
R016
33
R014
33
R017
33
R015
33
1.5k
R025
1.5k
R024
680
R023
470
R022
2.2k
R021
R013
C054
10uF/16V
VIN
CN051
OS-33
GND
2
1
10
GND
VIN 3
U004
REG1117
2 VOUT
JP002
Measurement Point
C051
10uF/16V
HDR053
FFC-3AMEP1
1
3
R051
22k
X'tal
PLL
AUTO
C010
C011
0.1uF 10uF/16V
LC-2-G
TP004
LC-2-G
TP002
GND
VIN
1
SW004
FT1E-2M
LC-2-G
TP003
LC-2-G
SCKO
8
BCKO
7
2
1
4
GND
2
2
LRCKO
6
DOUT
5
3
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1
1
D003
TLOU124
D006
TLOU124
D005
TLYU124
D004
TLGU53D
DOUT
LRCKO
BCKO
SCKO
DOUT
LRCKO
BCKO
SCKO
COUT
UOUT
5
4
3
2
1
CN005
FFC-8BMEP1
4
3
2
1
CN004
FFC-8BMEP1
4
3
2
1
5
6
7
8
5
6
7
8
FSOUT0
FSOUT1
EMPH
______
AUDIO
ERROR
CN003
FFC-5AMEP1
BFRAME
CLKST
GND
D002
TLSU124
GND
GND
2.2
2
CN052
OS-33
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Schematic, Printed-Circuit Board and Bill of Materials
DEM-DIR9001 Schematic Circuit Diagram
Figure 5. Schematic
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Schematic, Printed-Circuit Board and Bill of Materials
2.3
Bill of Materials
Reference
Type
8
NO.
Description
MFG.
Model
Value
C
1,3,4
Chip Ceramic Capacitor
Murata
GRM188B11E104KA01
0.1 μF, K, 25 V
C
2,6,11
OS Capacitor
SANYO
16SS10M
10 μF, M, 16 V
C
5
AL EL Capacitor
ELNA
RC3-16V100M
10 μF, M, 16 V
C
7
Chip Ceramic Capacitor
Murata
GRM188B11E104KA01
0.1 μF, K, 25 V
C
8,9
Ceramic Capacitor
Murata
RPE2C1H180J2P1Z01
18 pF, J, 50 V
C
10,14,15
Chip Ceramic Capacitor
Murata
GRM188B11E104KA01
0.1 μF, K, 25 V
C
12
Polypropylene Capacitor
NISSEI
APSF0100J472
0.0047 μF, J
C
13
Polypropylene Capacitor
NISSEI
APSF0100J683
0.068 μF, J
C
51,52
OS Capacitor
SANYO
16SS10M
10 μF, M, 16V
C
53
Chip Ceramic Capacitor
Murata
GRM188B11E104KA01
0.1 μF, K, 25V
C
54
OS Capacitor
SANYO
16SS10M
10 μF, M, 16V
CN
1
Pin Jack
SMK
LPR6520-0804
RCA PJ
CN
3
Header Pin
Honda Tsushin
FFC-5AMEP1
5 pin
CN
4,5
Header Pin
Honda Tsushin
FFC-8BMEP1
8 pin
CN
6
Connector
Honda Tsushin
Z-282-8FD
8 pin
CN
51,52
Terminal
Osada
OS-33
2 pin
CN
53
Header Pin
Honda Tsushin
FFC-3BMEP1
3 pin
D
1
Diode
ROHM
1SS133
D
2
LED
TOSHIBA
TLGU53D
Green
D
3,4
LED
TOSHIBA
TLOU124
Orange
D
5
LED
TOSHIBA
TLSU124
Red
D
6
LED
TOSHIBA
TLYU124
Yellow
R
1
1/4W Resistor
KOA
MFS1/4CC750RF
75 Ω, F, 1/4 W
R
2
1/4W Resistor
KOA
MFS1/4CC470RF
47 Ω, F, 1/4 W
R
3
1/4W Resistor
KOA
MFS1/4CC2201F
2.2 kΩ, F, 1/4 W
R
4,5
1/4W Resistor
KOA
MFS1/4CC470RF
47 Ω, F, 1/4 W
R
8
1/4W Resistor
KOA
MFS1/4CC6800F
680 Ω, F, 1/4 W
R
9-20
1/4W Resistor
KOA
MFS1/4CC330RF
33 Ω, F, 1/4 W
R
21
1/4W Resistor
KOA
MFS1/4CC2201F
2.2 kΩ, F, 1/4 W
R
22
1/4W Resistor
KOA
MFS1/4CC4700F
470 Ω, F, 1/4 W
R
23
1/4W Resistor
KOA
MFS1/4CC6800F
680 Ω, F, 1/4 W
R
24,25
1/4W Resistor
KOA
MFS1/4CC1501F
1.5 kΩ, F, 1/4 W
22 kΩ, F, 1/4 W
R
51
1/4W Resistor
KOA
MFS1/4CC2202F
SW
1
Tact Switch
ALPS
SKHRAAA010
SW
2
DIP Switch
Fujisoku
DSS104
SW
3
Toglle Switch
Fujisoku
FT1D-2M
SW
4
Toglle Switch
Fujisoku
FT1E-2M
TP
1
Test Pin
Mac 8
LC-2-G
Green
TP
2,3
Test Pin
Mac 8
LC-2-G
Orange
TP
4
Test Pin
Mac 8
LC-2-G
Red
TP
5
Test Pin
Mac 8
LC-2-G
Yellow
U
1
TOSLINK
TOSHIBA
TORX141P
U
2
Logic IC
TI
SN74LVU04ANSR
U
3
DIR
TI
PCM9001PW
U
4
Regulator
TI
REG1117-3.3
U
5
Logic IC
TI
SN74LV541APW
U
6
Logic IC
TI
SN74LV541APW
X
1
Crystal Resonator
Kinseki
HC-49/U-S
DIR9001 Evaluation Board
800 mA, 3.3 V
24.576 MHz
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EVALUATION BOARD/KIT IMPORTANT NOTICE
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the
product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are
not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations,
including product safety and environmental measures typically found in end products that incorporate such semiconductor
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electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the
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Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30
days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY
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Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the
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This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
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Copyright © 2007, Texas Instruments Incorporated
EVM WARNINGS AND RESTRICTIONS
It is important to operate this EVM within the input voltage range of 2.7 V to 3.6 V or 5 V and the output voltage range of 2.7 V to
3.6 V.
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are
questions concerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the
EVM. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load
specification, please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than 85°C. The EVM is designed to
operate properly with certain components above 85°C as long as the input and output ranges are maintained. These components
include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of
devices can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near
these devices during operation, please be aware that these devices may be very warm to the touch.
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Copyright © 2007, Texas Instruments Incorporated
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Products
Applications
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