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Chapter 2 Hardware Installation
28
Chapter 2
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.
I
2
C Connector
1
ON
2
34
1
2
5
6
3V3 Standby
GND
I
2
C_Clock
I
2
C_DATA
N.C.
N.C.
I
2
C
SMBus Connector
The SMBus (System Management Bus) connector is used to connect the SMBus device. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
1
ON
2
34
SMBus
6
5
2
1
GND
N.C.
SMB_DATA
3V3SB
SMB_CLK
SMB_ALERT