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• P81/GA20
The pin function is switched as shown below according to the combination of the FGA20E bit
in HICR0 and the P81DDR bit.
FGA20E
P81DDR
Pin Function
Note: *
When bit FGA20E is set to 1 in HICR0, the P81DDR bit should be cleared to 0.
• P80/PME
The pin function is switched as shown below according to the combination of the PMEE bit in
HICR0 and the P80DDR bit.
PMEE
P80DDR
Pin Function
Note: *
When bit PMEE is set to 1 in HICR0, the P80DDR bit should be cleared to 0.
0
0
P81 input pin
P81 output pin
0
0
P80 input pin
P80 output pin
1
GA20 input pin
1
PME input pin
Rev. 1.00, 05/04, page 121 of 544
1
0*
GA20 output pin
1
0*
PME output pin
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