Renesas H8S/2100 Series Hardware Manual page 200

Section 8 I/O Ports
(6) P81/GA20
The pin function is switched as shown below according to the combination of the FGA20E bit in
HICR0 of LPC and the P81DDR bit.
FGA20E
P81DDR
Pin function
(7) P80/PME
The pin function is switched as shown below according to the combination of the PMEE bit in
HICR0 of LPC and the P80DDR bit.
PMEE
P80DDR
Pin function
Rev. 1.00 May 09, 2008 Page 174 of 954
REJ09B0462-0100
0
0
P81 input pin
0
0
P80 input pin
1
P81 output pin
1
P80 output pin
1

GA20 output pin
1

PME output pin