Reference Manual

81 ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference
Chapter 2
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I2C interface
I2C connector,
X22
The table below provides the pinout of the I2C header.
See page 91 for information about I/O expander I2C device on the development
board.
I2C header, X22
Pin Function Comment
1 I2C_SDA GPE15
2+3.3V
3I2C_SCL GPE14
4GND