DFI COM330-B - Manual (Page 41)

41
2
Hardware Installation
I 2 C Connector
1
ON
4
5
1
ON
4
5
1
4
I2C_DAT
3V3
3
2 I2C_CLK
Ground
The 1-channel I 2 C bus interface conforms to the version 2.1 I 2 C bus specification.
It operates as a master or slave device and supports a multi-master bus.