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Rev. 1.00, 05/04, page 98 of 544
Port Description Mode 2and Mode 3 I/O Status
Port A General I/O port also
functioning as key-sense
interrupt input and
keyboard buffer controller
input/output pins
PA7/KIN15/PS2CD
PA6/KIN14/PS2CC
PA5/KIN13/PS2BD
PA4/KIN12/PS2BC
PA3/KIN11/PS2AD
PA2/KIN10/PS2AC
PA1/KIN9
PA0/KIN8
On-chip input pull-
up MOSs
Port B General I/O port also
functioning as wakeup
event interrupt input and
LPC input/output pins
PB7/WUE7
PB6/WUE6
PB5/WUE5
PB4/WUE4
PB3/WUE3
PB2/WUE2
PB1/WUE1/LSCI
PB0/WUE0/LSMI
On-chip input pull-
up MOSs
Port C General I/O port PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
On-chip input pull-
up MOSs
Port D General I/O port PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
On-chip input pull-
up MOSs