文件名称:
B-L475E-IOT01A开发板用户手册（附有10多页的完整原理图）
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文件大小: 1.85mb
下载次数: 1
上传时间: 2019-10-11
详细说明：B-L475E-IOT01A开发板用户手册,非常详尽，附有10多页的完整原理图，每个模块功能介绍很详细，不错的学习资料UM2153
Contents
7.12.2 Capacitive digital sensor for relative humidity and
temperature(HTS221)
25
7. 12.3 High-performance 3-axis magnetometer(LIS3MDL
25
7. 12. 4 3D accelerometer and 3D gyroscope(LSM6DSL)
26
7.12.5 260-1260 hPa absolute digital output barometer(LPS22HB)
.26
7.12.6 Time-of-Flight and gesture detection sensor(VL53L0X)
7.13 STSAFE-A 100
28
7.14 Buttons and leds
28
7.15 C addresses of modules used on mb1297
8
Connectors
..30
8.1 arduino uno 3 connectors
30
8.2 TAG connector CN5
32
8.3 ST-LINK/V2-1 USB Micro-B
8. 4 ST-LiNK debug connector cn8
33
8.5 USB OTG FS micro-AB
34
8.6 PMod connector CN10
34
8.7 Jumper JP5 for IDD measurements
36
Appendix a STM32L4 Discovery kit for loT node 1/0 assignment
37
Appendix B Schematics
Appendixc Board revision history and limitations
53
Appendix d Federal Communications Commission(FCC)
and Industry Canada c)compliance............ 54
D 1 FCC Compliance Statement
54
D.1.1Part15.19
54
D.1.2Part15.105
54
87.1Part1521
54
8.8 C Compliance statement
54
8.8.1 Compliance Statement
8.8.2 Declaration de conform ite
8.8.3 RF exposure statement
Revision histol
56
UM2153 Rev 4
3/57
List of tables
UM2153
List of tables
Table 1. Ordering information
1国
8
Table 2. Button and Led control port
..29
Table 3. C addresses for each module
T able 4. Arduino connector pinout
31
Table 5
TAG connector pinout
32
Table 6. UsB Micro-B connector
33
Table 7. ST-link debug connector
33
Table 8. USB OTG FS Micro-AB pinout
34
Table 9. USB OTG FS power management
34
Table 10. PMOd solder bridge configuration
35
Table 11. STM32L4 Discovery kit for loT node I/O assignment
Table 12. Board revision history and limitations
53
Table 13. Document revision history
.56
4/57
UM2153 Rev 4
/
UM2153
List of fiqures
List of figures
Figure 1. B-L475E-IOTO1A Discovery kit
Figure 2. Hardware block diagram
Figure 3. STM32L4 Discovery kit for loT node(top view)
10
Figure 4. STM32L4 Discovery kit for lo T node(bottom view)
Figure 5. STM32L4 Discovery kit for lo T node mechanical drawing
12
Figure 6. USB composite device
13
Figure 7. JP4: 5V ST LINK selection
15
Figure 8. JP4: 5V ARD selection from CN6(VIN)
15
Figure 9. JP4: 5V USB Fs
16
Figure 10. JP4: 5V VBAT
Figure 11. JP4 5V USB CHARGER selection
Figure 12. Power tree
18
Figure 13. SPBTLE-RF module
....21
Figure 14. SPSGRF module
.....22
Figure 15. ISM43362-M3G-L44 module
.....23
Figure 16. Label for Class 1 laser products
28
Figure 17. Arduino connector(front view)
.30
Figure 18. TAG connector
32
Figure 19. TC2050-IDC-NL cable
32
Figure 20. USB Micro-B connector CN7(front view)
.....33
Figure 21. USB OTG FS Micro-AB connector CN9 (front view)
34
Figure 22. STM32L4 Discovery kit for loT node(top)
42
Figure 23. STM32L475VG microcontroller
.,,43
Figure 24. STM32L475VG microcontroller
44
Figure 25. USB OTG Fs
45
Figure 26. RF module
..46
Figure 27. ST-MEMS sensors
.,.,47
Figure 28. NFC and STSAFE part
.48
Figure 29. Power supply
49
Figure 30. Arduino Uno v3 connector
..50
Figure 31. Peripherals
51
Figure 32. ST-LINK/2-1 with support of SWD only
..52
UM2153 Rev 4
5/57
Features
UM2153
Features
Ultra-low-power STM32L4 Series MCUs based on Arm Cortex -M4 core with 1 Mbyte
of Flash memory and 128 Kbytes of SRAM, in LQFP100 package
64-Mbit Quad-SPI(Macronix)Flash memory
BluetoothyV4. 1 module(SPBTLE-RF)
Sub-GHz(868 or 915 MHz)low-power-programmable RF module
(SPSGRF-868 or SPSGRF-915
Wi-Fi module Inventek ISM43362-M3G-L44 (802.11 b/g/n compliant)
Dynamic NFC tag based on M24SR with its printed NFC antenna
2 digital omnidirectional microphones(MP34DT01)
Capacitive digital sensor for relative humidity and temperature(HTS221)
High-performance 3-axis magnetometer(LIS3MDL)
3D accelerometer and 3D gyroscope(LSM6DSL)
260-1260 hPa absolute digital output barometer(LPS22HB)
Time-of-Flight and gesture-detection sensor(VL53LOX)
2 push-buttons (user and reset)
e USB OTG FS ith Micro-AB connector
Board expansion connectors
Arduino m uno 3
PMOD
Flexible power-supply options: ST-LINK USB VBUs or external sources
On-board ST-LINK//2-1 debugger/programmer with USB
re-enumeration capability: mass storage, virtual COM port and debug port
Comprehensive free software including a variety of examples, as part of the STM32Cube
package, as well as a cloud connector software expansion, enabling direct access to cloud
servers
Support of wide choice of Integrated Development Environments(IDEs)including IAR
Keil Gcc-based dEs arm mbed enabled
ArmmbedEnabled(seehttp:/mbed.org)
UM2153 Rev 4
/
UM2153
Product marking
2
Product marking
Evaluation tools marked as"ES"or"E"are not yet qualified and therefore they are not ready
to be used as reference design or in production. Any consequences deriving from such
usage will not be at st charge. In no event, sT will be liable for any customer usage of these
engineering sample tools as reference design or in production
Eor" ES" marking examples of location
On the targeted STM32 that is soldered on the board (for illustration of STM32 marking
refertothesection"packagecharacteristics"oftheStm32datasheetatwww.st.com)
Next to the evaluation tool ordering part number, that is stuck or silk-screen printed on
the board
3
System requirements
WindowsOS(XP,7, 8 and 10), Linux or MacOS
USB Type-A to Micro-B cable
Development toolchains
Keil mok-Arm (a)
IAR EWARM(a)
GCC-based IDEs including free SW4STM32 from AC6
Arm mbed enabled online
5
Demonstration software
The demonstration software, included in the stM32Cube package, is preloaded in the
STM32 Flash memory for easy demonstration of the device peripherals in standalone mode
The latest versions of the demonstration source code and associated documentation can be
downloadedfromthewww.st.com/stm32app-discoverywebpage
a. On Windows only
UM2153 Rev 4
7/57
Ordering information
UM2153
6
Ordering information
To order the B-L475E-IOTO1A Discovery kit for loT node, depending on the frequency of the
Sub-GHz module. refer to Table 1
Table 1. Ordering information
Order code
Sub-GHz operating frequency
B-L475E-|OT01A1
915 MHZ
BL475E-|0T01A2
868 MHZ
8/57
UM2153 Rev 4
/
UM2153
Hardware layout and configuration
Hardware layout and configuration
The stM32L4 Discovery kit for loT node is designed around the STM32L475VGT6(100-
pin, LQFP package). The hardware block diagram(see Figure 2)illustrates the connection
between the sTM32 and peripherals(embedded sT-LINK, Arduino Uno V3 shields, PMOD
connector, Quad-SPI Flash memory, USB OTG connectors, digital microphones, various
ST-MEMS sensors and the four RF modules(Wi-Fi, Bluetooth, Sub-GHz and NFc))
Figure 4 and Figure 5 help users to locate these features on the STM32L4 Discovery kit
Figure 2. Hardware block diagram
3.3V Power
Supply
32KHz Crystal
RTC
SM43362-M3G-44
GPIOs and UART3
Wi-Fi module
VCP
GPlOs and
SPBTLE-RF
UART1
SPI3
Bluetooth module
MicroB USB ST-LINK/
SPSGRF Sub-GHz
SWD
connector
V2-1
(Spirit)module
M2ASR NFC
PMOD(2A)connector
GPIOs and sPi2
module
PMOD(4A) connector
GPIOs and uart
GPIOs and 12C
LIS3MDL
3-axis magnetometer
STM32L475VGT6
LSM6DSL
3D gyroscope
LED:
LPS22HB
reset and wake-up
GPIOS
digital barometer
buttons
HTS221
humidity and temperature
HS PHY and
MicroAB usB connector
FS
VL53LOX
ToF and gesture detection
STSAFE-A10
Arduino uno shield
GPIOs and
authentication and security
connectors
UART4 and sPl
64-Mbit QSPI Flash
MP34DT01 digital
QSPI
DESDM
(MX25R6435F)
microphone
MP34DT01 digital
microphone
MSv45505V1
UM2153 Rev 4
9/57
7.1
STM32L4 Discovery kit for lo t node layout
Figure 3. STM32L4 Discovery kit for loT node(top view)
USB OTG (CN9)
USB ST-LINK(CN7)
o3
ARDUINO Uno V3
。。ee画
(cN1)
Arduino_D[O 7(CN3)
Wi-Fi module(M2
口口口口
SPSGRF module( 3)
USER button (B2
cD器■-■8g
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