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UM2153 Datasheet(PDF) 29 Page - STMicroelectronics

Part # UM2153
Description  Discovery kit for IoT node, multi-channel communicationwith STM32L4
PDF  57 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM2153 Datasheet(HTML) 29 Page - STMicroelectronics

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UM2153
Hardware layout and configuration
56
7.15
I2C addresses of modules used on MB1297
The Table 3 displays the I2C addresses (read and write) for the modules that are connected
to the I2C2 bus.
Table 2. Button and LED control port
Reference
Color
Name
Comment
B1
black
Reset
-
B2
blue
Wake-up
Alternate function Wake-up
LD1
green
LED1
PA5 (alternate with ARD.D13)
LD2
green
LED2
PB14
LD3
yellow
LED3 (Wi-Fi)
PC9, Wi-Fi activity
LD4
blue
LED4 (BLE)
PC9, Bluetooth activity
LD5
green
5V Power
5 V available
LD6
Bicolor (red and green)
ST-LINK COM
green when communication
LD7
red
Fault Power
Current upper than 750 mA
LD8
red
VBUS OCRCR
PE3
LD9
green
VBUSOK
5 V USB available
Table 3. I2C addresses for each module
Modules
Description
SAD[6:0] + R/W
I2C write
address
I2C read
address
HTS221
Capacitive digital sensor for
relative humidity and temperature
1011111x
0xBE
0xBF
LIS3MDL
3-axis magnetometer
0011110x
0x3C
0x3D
LPS22HB
MEMS nano pressure sensor
1011101x
0xBA
0xBB
LSM6DSL
3D accelerometer and 3D
gyroscope
1101010x
0xD4
0xD5
VL53L0X
Time-of-Flight ranging and gesture
detection sensor
0101001x
0x52
0x53
M24SR64-Y
Dynamic NFC/RFID tag IC
1010110x
0xAC
0xAD
STSAFE-A100
-
0100000x
0x40
0x41



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