UM1690
Pin
1
2
3
4
5
6
7
8
Table 6. Extension and RF EEPROM connector (CN3)
CN3
I2C SDA
Data signal for I
NC
Not connected
I2C SCL
Clock signal for I
EXT_RESET
Reset signal for extension board
3V
3 volt power supply
NC
Not connected
GND
Ground
5V
5 volt power supply
2
C
2
C
UM1690 Rev 3
Hardware layout
Designation
17/27
26
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