Chapter 2 – DFI COM101-BAT User Manual
Page 23
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Chapter 2 Hardware Installation
23
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
2
5
6
+3.3V_Standby
GND
I
2
C_Clock
I
2
C_DATA
NC
NC
I
2
C
SMBus Connector
The SMBus (System Management Bus) connectors are 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.
SMBus
GND
NC
SMB_DATA
SMB_CLK
SMB_ALERT
1
2
5
6
+3.3V_Standby
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