STEVAL-MKI062V2, iNEMO™ (iNErtial MOdule) demonstration

STEVAL-MKI062V2, iNEMO™ (iNErtial MOdule) demonstration
UM0937
User manual
STEVAL-MKI062V2, iNEMO™ (iNErtial MOdule) demonstration
board based on MEMS devices and STM32F103RE
Introduction
The STEVAL-MKI062V2 is the second generation of the iNEMO™ module family. It
combines accelerometers, gyroscopes and magnetometers with pressure and temperature
sensors to provide 3-axis sensing of linear, angular and magnetic motion, complemented
with temperature and barometer/altitude readings, representing the new ST 10 degrees of
freedom (DOF) platform.
The STEVAL-MKI062V2 represents a further step in miniaturization in the iNEMO family. It
integrates five STMicroelectronics sensors: a 2-axis roll-and-pitch gyroscope, a 1-axis yaw
gyroscope, a 6-axis geomagnetic module, a pressure sensor, and a temperature sensor.
This 10-DOF inertial system represents a complete hardware platform that can be used in
many applications, such as gaming, location-based service, human machine interfaces, and
robotics.
A complete set of communication interfaces with various power supply options in a small
size form factor (4 x 4 cm) make the iNEMO a flexible and open demonstration platform.
Figure 1.
May 2010
iNEMO V2 platform
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Contents
UM0937
Contents
1
2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2
Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2
MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3
Clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.4
Reset source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.5
Roll and pitch gyroscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.6
Yaw axis gyroscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.7
Accelerometer-magnetometer module . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.8
Pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.9
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.10
Extended connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.11
MicroSD card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.12
COM connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.13
USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.14
User LED and button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Appendix A Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Appendix B Bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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UM0937
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Power supply selector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
LPR430AL configuration scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
LPR430AL-ADC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
LPR430AL filter enable/disable options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LPR430AL Sleep mode and power-down mode configuration . . . . . . . . . . . . . . . . . . . . . . 12
LY330ALH ADC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LY330ALH filter enable/disable options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Sleep mode and Power-down mode configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
LSM303DLH I2C addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
COM connector pin-out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
USB mini-B connector pin-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
User LED and button GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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List of figures
UM0937
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
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iNEMO V2 platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
TOP layout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Bottom layout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Bottom layout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power supply stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
LPR430AL schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
LY330ALH schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LSM303DLH schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Pressure sensor schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Temperature sensor schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Extended schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MicroSD slot schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
COM connector J4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
USB mini-B connector (CN1) and schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STEVAL-MKI062V2 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
JTAG SWD adapter board schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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UM0937
Overview
1
Overview
1.1
Features
1.2
●
Two power supply options: external power connector and USB connector
●
STM32F103RET: low power high performance 32-bit microcontroller powered by
ARM® Cortex™-M3
●
LPR430AL: 2-axis gyro (roll, pitch) selectable full-scale 300-1200 dps (degrees per
second), analog output, optional HP (high-pass) and LP (low-pass) filters
●
LY330ALH: 1-axis gyro (Yaw) 300 dps full-scale, analog output, optional HP (high pass)
and LP (low pass) filters
●
LSM303DLH: 6-axis geomagnetic module, ±2g/±4g/±8g linear acceleration full-scale,
magnetic field configurable full-scale ±1.3 to ±8.1 gauss, I2C digital output
●
LPS001DL: pressure sensor 300-1100 mbar absolute full-scale, I2C digital output,
barometer
●
STLM75: temperature sensor, -55 °C to +125 °C range, I2C digital interface
●
Extended connector for wireless connectivity
●
MicroSD card slot
●
COM connector with RTS and CTS on TTL signals
●
USB 2.0 full speed connection
●
Reset button
●
User LED and button
Demonstration software
To facilitate user development and sensor data analysis, the STEVAL-MKI062V2
demonstration kit includes a graphical user interface (GUI) to display sensor outputs, as well
as a firmware library for easy development of customized applications. The latest version of
the firmware package and PC GUI can be downloaded from the STEVAL-MKI062V2 web
page on ST.com.
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Hardware layout and configuration
2
UM0937
Hardware layout and configuration
The STEVAL-MKI062V2 demonstration board has been designed to manage all sensor
features through the 32-bit STM32F103RE microcontroller. The hardware block diagram, in
Figure 2, illustrates the connections between the STM32F103RE peripherals and the
sensors.
Figure 3 and 4 show the location of these features on the demonstration board.
Figure 2.
Block diagram
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UM0937
Hardware layout and configuration
Figure 4.
Bottom layout description
The reference system for the iNEMO platform is printed on the top side. Figure 5 shows the
axis orientation of each sensor in respect to the iNEMO local reference systems.
Note:
The positive Z-axis comes outwards from the board.
Figure 5.
Bottom layout description
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Hardware layout and configuration
2.1
UM0937
Power supply
The STEVAL-MKI062V2 hosts two ultra-low drop-low voltage regulators: the LD3985M18R
for 1.8 V and the LDS3985M33R for 3.3 V. The 1.8 V is used to supply the digital part of the
LSM303DLH, while the rest of the board works at 3.3 V.
The board can be powered by an external power supply voltage up to 6 V DC; the SMTY5
prevents the board from being damaged in the case of an accidental overload and in the
case of reverse polarity.
It is possible to configure one of two power supply sources.
●
5 V DC power adapter connected to the J1 connector (5 V on silkscreen for power
supply unit)
●
5 V DC power from CN1 type B USB connector.
The power supply option is configured by setting the S4 switch as shown in Table 1. The D4
LED is turned on when the board is powered correctly.
Table 1.
Power supply selector
Power source
S4 configuration
USB
PSU
The LDS3985xx and LD3985xx families are ultra-low drop-low noise BiCMOS voltage
regulators for use with a very low ESR output capacitor. They are provided by an inhibit
input voltage pin. When the voltage on this pin is below 0.4 V the voltage regulator is turned
off, only when the voltage increases to 1.2 V does the device switch on. The output currents
are up to 300 mA for the LDS3985xx family and up to 150 mA for the LD3985xx.
The 3.3 V power supply can be enabled by 1.8 V power stage or through an external power
supply by soldering a 0 Ω resistor in the R70 position (Figure 5).
8/27
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UM0937
Hardware layout and configuration
Figure 6.
Power supply stage
After you click the “Finish” button, you will find that the software is installed in the selected
directory or in the default directory. The shortcut for this software is also available in the
Start menu. The help file on how to use DLL is also available in the same directory.
2.2
MCU
The STEVAL-MKI062V2 demonstration board hosts an STM32F103RET.
The high density STM32F103xCDE performance line family incorporates the highperformance ARM® Cortex™-M3 32-bit RISC core, operating at up to 72 MHz, high-speed
embedded memories (Flash memory up to 512 Kbytes and SRAM up to 64 Kbytes), and an
extensive range of enhanced I/Os and peripherals connected to two APB buses.
All devices offer three 12-bit ADCs, four general purpose 16-bit timers plus one PWM timer,
as well as standard and advanced communication interfaces: up to two I2Cs, three SPIs, five
USARTs, an USB and an SDIO.
The STM32F103xx performance line family operates from a 2.0 to 3.6 V power supply. It is
available in both the -40 to +85°C temperature range and the -40 to +105°C extended
temperature range. A comprehensive set of power-saving modes allows the designing of
low-power applications.
The complete STM32F103xx performance line family includes devices in 5 different
package types: from 36 pins to 100 pins. Please refer to the STM32F103xx datasheet and
reference manual for details of its characteristics.
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Hardware layout and configuration
2.3
UM0937
Clock source
Two external clock sources are available on the STEVAL-MKI062V2 demonstration board
for STM32F103RET and RTC:
2.4
●
Y1, 32.768 kHz crystal for embedded RTC
●
Y2, 8 MHz. It can be removed when the STM32F103RET's internal RC clock is used.
Y2 does not need external capacitances.
Reset source
The reset signal of the STEVAL-MKI062V2 demonstration board is low-active and the reset
sources include:
●
SW1 reset button
●
Debugging tool from SWD/JTAG connector J7.
The JP1 jumper enables a reset of the STM32F103RET embedded JTAG TAP controller
each time a system reset occurs. JP1 connects the TRST signal from the JTAG connection
with the system reset signal RESET#. Default setting: not fitted
2.5
Roll and pitch gyroscope
The STEVAL-MKI062V2 is provided with the LPR430AL bi-axial gyroscope; it is a low-power
two-axis micro machined gyroscope able to measure angular rate along pitch and roll axes.
The LPR430AL has a full-scale of ±300 or ±1200 dps and it is capable of detecting rates
with a -3 dB bandwidth up to 140 Hz. Please refer to the respective datasheet for details of
its characteristics. Figure 7. shows the application hints.
Figure 7.
LPR430AL schematic
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Hardware layout and configuration
For each axis, the LPR430AL has two separate pins for the two full-scale 300-1200 dps.
With the STEVAL-MKI062V2 the user can select the full-scale, as described in Table 2,
according to the filter setting, as detailed in the datasheet.
Table 2.
LPR430AL configuration scheme
Full-scale
axis
Enable
External filter
Disabled
R82 = 0 Ω
R86 = 0 Ω
R88 = Do not assemble
Enabled
R82 = Do not assemble
R86 = 0 Ω
R88 = Do not assemble
Disabled
R84 = 0 Ω
R87 = 0 Ω
R88 = Do not assemble
Enabled
R84 = Do not assemble
R87 = 0 Ω
R89= Do not assemble
Disabled
R82 = 0 Ω
R86 = Do not assemble
R88 = 0 Ω
Enabled
R82 = Do not assemble
R86 = Do not assemble
R88 = 0 Ω
Disabled
R84 = 0 Ω
R87 = Do not assemble
R89= 0 Ω
Enabled
R84 = Do not assemble
R87 = Do not assemble
R89= 0 Ω
R77= 0 Ω in position 1
x
300 dps
R78= 0 Ω in position 1
y
R77= 0 Ω in position 3
x
1200 dps
R77= 0 Ω in position 3
y
The net PR_X_OUT, PR_Y_OUT, and LPR_Vref are connected to the ADC pins of the
STM32. (See Table 3).
The analog outputs of the LPR430AL can be analyzed through an oscilloscope, using the
test point TP, TR, TG (ground) and T4.
Note:
It is recommended to put the respective pin of the STM32F103 into input floating mode.
Table 3.
LPR430AL-ADC connection
Gyro output
GPIO
ADC_IN
PR_X_OUT
PC0 (TR)
ADC_IN_10
PR_Y_OUT
PC1 (TP)
ADC_IN_11
LPR_Vref
PC2 (T4)
ADC_IN_12
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Hardware layout and configuration
UM0937
The STEVAL-MKI062V2 output-rate response of the LPR430AL can be band-limited
through the use of an external low-pass filter and high-pass filter (optional, see Figure 9) in
addition to the embedded low-pass filter (ft = 140 Hz).
The cut-off frequency is set by the value of R and C in Figure 9.
Equation 1
fHP =
1
= 0.03Hz
2πR1C1
Equation 2
fLP =
1
≈ 590Hz C2 =10nF,R2= 27kΩ
2πR 2C 2
For each gyro output the filter can be disabled, as described in Table 4.
Table 4.
LPR430AL filter enable/disable options
Axis
HPF
4xOUTX
LPR430AL
4xOUTY
LPR430AL
LPF
Enable
R/C1 = 4.7 uF
R81 = 1 MΩ
Enable
(default)
C62 = 10 nF
R80 = 27 kΩ
Disable
(default)
R/C1 = 0 Ω
R81 = Do not assemble
Disable
C62 = Do not assemble
R80 = 0 Ω
Enable
R/C2 = 4.7 uF
R85 = 1 MΩ
Enable
(default)
C63 = 10 nF
R83 = 27 kΩ
Disable
(default)
R/C2 = 0 Ω
R85 = Do not assemble
Disable
C63 = Do not assemble
R83 = 0 Ω
The LPR430AL enables advanced power-saving features thanks to the availability of several
operating modes: normal mode, power-down and sleep mode.
When the device is set in the sleep-mode configuration, the reading chain is completely
turned off, resulting in low power consumption. In this condition the device turn-on time is
significantly reduced, allowing simple external power cycling.
In accordance with the table below, the user can select the desired operating mode through
the configuration of two dedicated LPR430AL pins (ST and SLEEP/PD).
In the STEVAL-MKI062V2, this operating mode is implemented using two STM32 GPIOs
(PB1 e PB2) to manage the configurations.
Table 5.
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LPR430AL Sleep mode and power-down mode configuration
Operation mode
ST pin - PB1
SLEEP/PD pin - PB2
Normal mode
0
0
Power-down
0
1
Self-test
1
0
Sleep mode
1
1
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2.6
Hardware layout and configuration
Yaw axis gyroscope
In order to have a complete 3-axis system of gyroscopes, the STEVAL-MKI062V2 has the
LY330ALH on-board and the high performance ±300 dps analog yaw-rate gyroscope. The
application schematic and the electrical connections are given in Figure 8 and Table 6:
Figure 8.
LY330ALH schematic
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Gyro Output
GPIO
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OUTZ
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TY
Yaw_Vref
PC5
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T2
ST_Yaw
PB14
/
/
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PB15
/
/
As with the LPR430AL, the output rate response of the LY330ALH can also be band-limited,
through the use of the same low-pass filter and high-pass filter (optional, see Table 7), in
addition to the embedded low-pass filter (ft = 140 Hz).
Table 7.
LY330ALH filter enable/disable options
Axis
HPF
LPF
Enable
R/C3 = 4.7uF
R76 = 1 MΩ
Enable (default)
C55 = 10 nF
R75 = 27 kΩ
Disable(default)
R/C1 = 0 Ω
R76 = Do not assemble
Disable
C55 = Do not assemble
R75 = 0 Ω
YAW OUTPUT
Doc ID 17418 Rev 1
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13/27
Hardware layout and configuration
UM0937
The power-saving features of the LY330ALH can be implemented as shown in Table 8.
Table 8.
2.7
Sleep mode and power-down mode configuration
Operation mode
ST pin
SLEEP/PD pin
Normal mode
0
0
Sleep mode
0
1
Self-test
1
0
Power-down
1
1
Accelerometer-magnetometer module
The LSM303DLH is a system-in-package featuring a 3D digital linear acceleration sensor
and a 3D digital magnetic sensor. The LSM303DLH has a linear acceleration full-scale of ±2
g / ±4 g / ±8 g and a magnetic field full-scale of ±1.3 / ±1.9 / ±2.5 / ±4.0 / ±4.7 / ±5.6 / ±8.1
gauss, both fully selectable by the user. Magnetic and accelerometer parts can be enabled
or put into power-down mode separately. Figure 9 shows the LSM303DLH electrical
connection (the configuration in use is the one recommended for I2C fast mode; see
datasheet for details). The I2C addresses of the accelerometer and magnetometer parts are
given in Table 9.
Figure 9.
LSM303DLH schematic
Table 9.
14/27
LSM303DLH I2C addresses
Part
Read address
Write address
Accelerometer
0x33
0x32
Magnetometer
0x3D
0x3C
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UM0937
2.8
Hardware layout and configuration
Pressure sensor
The LPS001DL is a high resolution, digital output pressure sensor packaged in an LGA
holed package (STMicroelectronics patent pending). The complete device includes a
sensing element based on a piezoresistive Wheatstone bridge approach, and an IC
interface able to take the information from the sensing element to the external world, as a
digital signal.
The STEVAL-MKI062V2 board uses an I2C communication and its slave address is set to
0xBA. The LPS001DL features two fully programmable interrupt sources (INT1 and INT2)
which may be configured to trigger different pressure events. In the STEVAL-MKI062V2,
only the INT1 interrupt source is connected to the MCU. The device may also be configured,
through interrupt pins; a data ready signal (Drdy), which indicates when new measured data
is available, therefore simplifying data synchronization in digital systems. The connection
between the LPS001DL and the STM32F103 is shown in Figure 13.
Figure 10. Pressure sensor schematic
2.9
Temperature sensor
An I2C interface STLM75 temperature sensor (-55°C to +125°C) connected to the I2C of the
STM32F103RET is available on the board.
As the STLM75 pins, A2, A1, and A0, are grounded, the slave address of the sensor is
settled to 0x90. The STLM75 has a dedicated open drain Over-Limit Signal/Interrupt
(OS/INT) output which features a thermal Alarm function. This function provides a userprogrammable trip and turn-off temperature, and it can operate in either of the two
selectable modes:
●
Comparator mode
●
Interrupt mode
The application schematic of the STLM75 is shown in Figure 11.
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15/27
Hardware layout and configuration
UM0937
Figure 11. Temperature sensor schematic
2.10
Extended connector
The interface capability of the STEVAL-MKI062V2 can be extended through the J8
connector. It provides an SPI interface and 4 GPIOs. (The PA8 pin can also be configured as
a master clock output, in order to have the MCU clock available on the connector).
Figure 12. Extended schematic
2.11
MicroSD card
The MicroSD slot CN2 (Figure 15) is available on the bottom side of the STEVALMKI062V2; it is connected to the SDIO of the STM32F103RET, as shown in Figure 13.
The EMIF06-MSD02N16 suppresses EMI/RFI noise for interface line filtering. This filter
includes ESD protection circuitry, which prevents damage to the protected device when
subjected to ESD surges.
16/27
Doc ID 17418 Rev 1
www.BDTIC.com/ST
UM0937
Hardware layout and configuration
Figure 13. MicroSD slot schematic
2.12
COM connector
The 6-pin COM J4 connector is connected to the UART2 pins of the STM32F103RET, as
shown in Figure 14 and Table 10. It presents the hardware data-flow control through the
CTS and RTS signals.
Note:
J4 does not offer any transceiver; it is directly connected to the microcontroller pins. As this
prevents any overload/over-voltage on these pins.
Moreover, J4 connector also provides a 3.3 V pin which can be used to supply a RS232
transceiver. Sinking too much current from this pin could damage the board.
Figure 14. COM connector J4
Table 10.
COM connector pin-out
Pin number
Description
Pin number
Description
1
UART2_RX (PA3)
4
UART2_CTS(PA0)
2
UART2_TX (PA2)
5
GND
3
UART2_RTS (PA1)
6
3V3
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17/27
Hardware layout and configuration
2.13
UM0937
USB
The STEVAL-MKI062V2 is provided with USB 2.0 compliant full-speed communication via a
USB type mini-B receptacles connector (CN1), with dedicated EMI Filter and line
termination through the USBUF02W6 (U5). The PA10 pin of the STM32F103 is used for
software connection/disconnection of the USB cable. The MCU pins are configured in output
push-pull mode: when high, the USB communication is enabled; when low, it is disabled.
Figure 15. USB mini-B connector (CN1) and schematic
Table 11.
2.14
USB mini-B connector pin-out
PIN number
Description
1
Vbus (power)
2
DM (PA11)
3
DP(PA12)
4
N.C.
5
Ground
User LED and button
In the STEVAL-MKI062V2 demonstration board, one D3 LED and one SW2 push button are
available for user applications.
Table 12.
18/27
User LED and button GPIO
Device
MCU GPIO
D3
PB9
SW2
PC13
Doc ID 17418 Rev 1
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www.BDTIC.com/ST
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9''
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9
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UM0937
Schematics
Schematics
Figure 16. STEVAL-MKI062V2 schematic
!-V
19/27
20/27
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Schematics
UM0937
Figure 17. JTAG SWD adapter board schematic
Doc ID 17418 Rev 1
www.BDTIC.com/ST
!-V
Table 13.
Bill of materials
UM0937
Appendix B
Bill of materials
Voltage / watt
/ ampere
Manufacturer
Manufacturer’s
ordering code /
orderable part
number
Supplier
Supplier’s
Doc ID 17418 Rev 1
Part / value
CN1
USB_miniB
Molex
54819-0572
RS
RS: 515-1995
CN2
microSD
Hirose Electric
DM3AT-SF-PEJ
Digi-Key
Digi-key:
HR1939CT-ND
C1,C19,C22,
C24,C25,C26,
C29,C34,C35,
C41,C44,C46,
C47,C52,C57
100 nF
SMD 0603
Any
Any
C13,C50,C55,
C58,C62,C63,
C66
10 nF
SMD 0603
Any
Any
C16,C17
12 pF
SMD 0603
Any
Any
C20,C27
1 µF 6.3 V
6.3 V Tantal
SMD 0603
AVX
C21
4.7 nF
100 V
SMD 0805
Any
C23,C40,C45,
C51,C56
10 µF 6.3 V
6.3 V Tantal
SMD 0805
AVX
C42,C65
1 µF
SMD 0603
Any
C43
2.2 µF 6.3 V
2.2 µF 10 V (opt)
SMD 0805
AVX
C48,C49
2.2 µF
SMD 0805
Any
Any
C53,C59
470 nF
SMD 0603
Any
Any
C64
33 nF
SMD 0603
Any
Any
6.3 V Tantal
10 V Tantal
(opt)
Package
TACL105M006R
RS
ordering code
RS: 405-7779
Any
TAJR106K006R
RS
RS: 405-9517
Any
TAJR225K006R
TAJR225K010R
(opt)
www.BDTIC.com/ST
RS
Farnell
RS
RS: 533-1804
Farnell: 197002
RS: 405-9545 (opt)
Bill of materials
21/27
Reference
Bill of materials (continued)
Doc ID 17418 Rev 1
Package
Manufacturer
Manufacturer’s
ordering code /
orderable part
number
SMTY5.0A
SMA
STMicroelectronics
SMTY5.0A
ST
SMTY5.0A
D3
Red
SMD 0805
Kingbright
KP2012SURC
RS
Farnell
RS: 466-3829
Farnell: 8529930
D4
Green
SMD 0805
Kingbright
KP2012MGC
RS
Farnell
RS: 466-3778
Farnell: 8529906
JP1
Jumper
THR (spacing
2.54)
Any
J1
Battery connector
THR (spacing
2.54)
MOLEX
J4
RS232
(Strip line male 6pin 2x3)
THR (spacing
2.54)
Any
J7
SWD/JTAG
(Male connector
10-pin 2x5)
THR (spacing
1.27)
SAMTEC
J8
Communication
connector
(Strip line female
10-pin 2x5)
THR (spacing
2.54)
Any
L2
SMD ferrite 30 Ω
3A
SMD 0805
Wurth
Electronics
74279206
0 Ω 1%
Assemble
SMD 0603
Any
4.7 µF
Do not
assemble
SW pushbutton
DPST
SMD
C&K
Y78B22110FP
Reference
Part / value
D2
R/C1, R/C2,
R/C3
(SMD resistor
or SMD
capacitor)
Supplier
Supplier’s
ordering code
Any
22-05-7025
Digi-Key
Digi-Key: WM18900ND
Any
FTSH-105-01-F-DK
Any
Any
RS
RS: 358-6765
Any
RS
RS: 505-9186
www.BDTIC.com/ST
UM0937
RST,SW2
Voltage / watt
/ ampere
Bill of materials
22/27
Table 13.
Bill of materials (continued)
Reference
Part / value
R6,R21,R22,
R33,R34,R35,
R36,R44,R69,
R74,R79
Voltage / watt
/ ampere
Manufacturer’s
ordering code /
orderable part
number
Supplier’s
Doc ID 17418 Rev 1
Manufacturer
10 kΩ 1%
SMD 0603
Any
Any
R23
1 MΩ 1%
SMD 0603
Any
Any
R76,R81,R85
1 MΩ 1%
SMD 0603
Any
Any
R25,R26,R27,
R28
4.7 kΩ 1%
SMD 0603
Any
Any
R29,R30,R31,
R32
100 Ω 1%
SMD 0603
Any
Any
R86,R87
0 Ω 1%
SMD 0603
Any
Any
R82, R84,
R88, R89,
0 Ω 1%
Do not
assemble
SMD 0603
Any
Any
R77,R78
0 Ω 1%
Default
position 1
SMD 0603
Any
Any
R70
0 Ω 1%
Default
position 3
SMD 0603
Any
Any
R72,R73
56 Ω 1%
SMD 0603
Any
Any
R75,R80,R83
27 kΩ 1%
SMD 0603
Any
Any
S4
Switch 1X2
THR (spacing
2.54)
EAO
09.03201.02
RS
Farnell
Distrelec
RS: 115-6283
Farnell: 1608080
Distrelec: 210007
TG, TP, TR,
TY, T2, T4
Test points
THR
Keystone
Electronics
5001 (5000)
Digi-key
5001K-ND
(5000K-ND)
U2
STLM75DS2F
MSOP8
(TSSOP8)
STMicroelectronics
STLM75DS2F
STMicroelectronics
STLM75DS2F
Do not
assemble
Do not
assemble
Supplier
www.BDTIC.com/ST
ordering code
UM0937
Package
Bill of materials
23/27
Table 13.
Bill of materials (continued)
Voltage / watt
/ ampere
Package
Manufacturer’s
ordering code /
orderable part
number
Supplier
USBUF02W6
STMicroelectronics
USBUF02W6
STMicroelectronics STM32F103RET7
STMicroelectronics
STM32F103RET7
Manufacturer
Supplier’s
Doc ID 17418 Rev 1
Reference
Part / value
U5
USBUF02W6
U6
STM32F103RET7
LQFP-64
U9
LPS001DL
LGA-16
STMicroelectronics
LPS001DL
STMicroelectronics
LPS001DL
U10
LDS3985M33R
SOT23-5L
STMicroelectronics
LDS3985M33R
STMicroelectronics
LDS3985M33R
U11
LSM303DLH
LGA 28L
STMicroelectronics
LSM303DLH
STMicroelectronics
LSM303DLH
U12
LY330ALH
LGA 10
STMicroelectronics
LY330ALH
STMicroelectronics
LY330ALH
U13
LPR430AL
LGA 28L
STMicroelectronics
LPR430AL
STMicroelectronics
LPR430AL
U14
EMIF06MSD02N16
STMicroelect
ronics
EMIF06MSD02N16
U15
LD3985M18R
SOT23-5L
STMicroelectronics
LD3985M18R
STMicroelectronics
Y1
Crystal oscillator
32.768 kHz
Citizen
CM13032.768KDZF-UT
Digi-key
Digi-Key: 300-86331-ND
Y3
Crystal oscillator
8 MHz
MuRata
CSTCE8M00G55R0
RS
Digi-Key
Farnell
RS: 283-961
Digi-Key: 490-11951-ND
Farnell: 1615352
J9
JTAG
(male connector
20-pin 2x10)
Tyco
Electronics
2-1634688-0
RS
Farnell
473-8282
8395942
J10
Jumper
THR (spacing
2.54)
Any
Any
J11
Jumper
THR (spacing
2.54)
Any
Any
SOTT323-6L STMicroelectronics
Micro QFN
THR (spacing
2.54)
UM0937
Table 13.
ordering code
STMicroelectronic
EMIF06-MSD02N16
s
Bill of materials
24/27
www.BDTIC.com/ST
LD3985M18R
Reference
J12
Bill of materials (continued)
Part / value
Voltage / watt
/ ampere
Package
Manufacturer
Manufacturer’s
ordering code /
orderable part
number
SWD/JTAG
(male connector
10-pin 2x5)
THR (spacing
1.27)
SAMTEC
FTSH-105-01-F-DK
Any
SAMTEC
FFSD-05-D-08.0001-N
Any
RS
W8030T50RC
JTAG/SWD flat
cable
Close jumper
Supplier
RS
Supplier’s
ordering code
Bill of materials
25/27
Table 13.
251-8575
Doc ID 17418 Rev 1
UM0937
www.BDTIC.com/ST
Revision history
UM0937
Revision history
Table 14.
26/27
Document revision history
Date
Revision
19-May-2010
1
Changes
Initial release.
Doc ID 17418 Rev 1
www.BDTIC.com/ST
UM0937
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