AXIOMTEK SBC84820 Series User Manual page 72

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SBC84820 Pentium M All-In-One Capa Board User's Manual
if no input source,the value is C0)
Using the Digital Output Function
Start
↓
Un-Lock SuperI /O:
↓
SelectMultiplexed pin to GPIO Function:
↓
Select Logic device:
↓
Activate Logic Device:
↓
Select GPO Function:
When set to a '1', respective GPIO port is programmed as an input port.
When set to a '0', respective GPIO port is programmed as an output port.
↓
Output Data:
66
O 2E F1
I 2F XX( XX is input Data;
O 2E 87 ; Un-lock super I/O
O 2E 87 ; Un-lock super I/O
O 2E 2A
O 2F FF
O 2E 07
O 2F 07
O 2E 30
O 2F 01
O 2E F0
O 2F C0 ( for 2IN / 4OUT)
O 2E F1
O 2F XX=00,01,02,...FF(XX is Output Data)
Digital I/O