Digital I/O; Smbus - DFI GH551 User Manual

Internal I/O Connectors
X

Digital I/O

1
9 1 1
1
1 1
10 2
The 8-bit Digital I/O (DIO) connector allows for input/output signals of digital logical states de-
fined by voltage levels.
„ Digital I/O Pin Assignment
Pin Assignment
1 DIO_7
3 DIO_3
5 DIO_5
7 DIO_1
9 5VSB
User's Manual | GH551
10 9
2 1
1
1
1
1
1
2 6
1 5
2 6
1 5
9 1
1
1
1
39 40
10 2
1 2
10
1
2 1
5
2 1
9 1
2
Pin Assignment
2 DIO_6
4 DIO_4
6 DIO_2
8 DIO_0
10 GND
Internal I/O Connectors
X

SMBus

1
9 1
1
2
1
9 1
1
10 2
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.
39 40
HARDWARE INSTALLATION
39
1 2
10
1
10 9
1
2 1
2 1 10
1
1
5
1
1
1
2 6
2 1 1 5
2
2 6
1 5
1
2
39 40
9 1
1 2
10
1
2
2 1
5
2 1
9 1 1 9 1
1
1 1
10 2 2
„ SMBus Pin Assignment
Pin Assignment Pin Assignment
1 3V3SB 2 GND
3 SMBus_Clock 4 SMBus_DATA
5 SMBus_Alert 6 ---
Chapter 2
40
2
1
5
1
20