Iei-integration NOVA-945GSE v1.01 Manual de usuario Pagina 182

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NOVA-945GSE 5.25” SBC
Page 182
C.1 DIO Interface Introduction
The DIO connector on the NOVA-945GSE is interfaced to GPIO ports on the ITE IT8718F
Super I/O chipset. The DIO has both 4-bit digital inputs and 4-bit digital outputs. The digital
inputs and digital outputs are generally control signals that control the on/off circuit of
external devices or TTL devices. Data can be read or written to the selected address to
enable the DIO functions.
NOTE:
For further information, please refer to the datasheet for the Winbond
W83697HG Super I/O chipset.
C.2 DIO Connector Pinouts
The following table describes how the DIO connector pins are connected to the Super I/O
GPIO port.
Pin Description Super I/O Pin Super I/O Pin Description
1 Ground N/A N/A
2 VCC N/A N/A
3 Output 3 GP23 General Purpose I/O Port 2 Bit 3
4 Output 2 GP22 General Purpose I/O Port 2 Bit 2
5 Output 1 GP21 General Purpose I/O Port 2 Bit 1
6 Output 0 GP20 General Purpose I/O Port 2 Bit 0
7 Input 3 GP33 General Purpose I/O 33
8 Input 2 GP32 General Purpose I/O 32
9 Input 1 GP31 General Purpose I/O 31
10 Input 0 GP30 General Purpose I/O 30
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