AXIOMTEK SBC84620 Series, User Manual

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SBC84620 AMD
®
Geode GX3 All-in-One Capa Board User’s Manual
Digital I/O
82
Using the Digital Output Function
Start
↓
Un-Lock SuperI /O:
O 2E 87 ; Un-lock super I/O
O 2E 87 ; Un-lock super I/O
↓
SelectMultiplexed pin to GPIO Function :
O 2E 2A
O 2F FF
↓
Select Logic device:
O 2E 07
O 2F 07
↓
Activate Logic Device:
O 2E 30
O 2F 01
↓
Select GPO Function:
O 2E F0
O 2F 00
↓
Output Data:
O 2E F1
O 2F 00
O 2E F2
O 2F XX=00,01,02,…FF(XX is Output Data)