Datasheet

Section 8 I/O Ports
Rev. 3.00 Mar 21, 2006 page 170 of 788
REJ09B0300-0300
Modes 2 and 3
Port Description Mode 1
(EXPE = 1) (EXPE = 0)
I/O
Status
Port 8 General I/O port also
functioning as interrupt
input, SCI_1
input/output, XBS
control input/output, LPC
input/output, and IIC_1
input/output pins
P86/IRQ5/SCK1/SCL1
P85/IRQ4/RxD1
P84/IRQ3/TxD1
P83
P82
P81
P80
P86/IRQ5/SCK1/SCL1
P85/IRQ4/RxD1
P84/IRQ3/TxD1
P83/LPCPD
*
P82/HIFSD/CLKRUN
*
P81/CS2/GA20
P80/HA0/PME
*
Port 9 General I/O port also
functioning as extended
data bus control
input/output, IIC_0
input/output, subclock
input, φ output, interrupt
input, XBS control input,
and A/D converter
external trigger input
pins
P97/WAIT/SDA0
P96/φ/EXCL
AS/IOS
HWR
RD
P92/IRQ0
P91/IRQ1
P90/LWR/IRQ2/ADTRG
P97/SDA0
P96/φ/EXCL
P95/CS1
P94/IOW
P93/IOR
P92/IRQ0
P91/IRQ1
P90/IRQ2/ADTRG/
ECS2
Port A General I/O port also
functioning as address
output, key-sense
interrupt input, extended
A/D input, and keyboard
buffer controller
input/output pins
PA7/KIN15/
CIN15/PS2CD
PA6/KIN14/
CIN14/PS2CC
PA5/KIN13/
CIN13/PS2BD
PA4/KIN12/
CIN12/PS2BC
PA3/KIN11/
CIN11/PS2AD
PA2/KIN10/
CIN10/PS2AC
PA1/KIN9/
CIN9
PA0/KIN8/
CIN8
PA7/A23/KIN15/
CIN15/PS2CD
PA6/A22/KIN14/
CIN14/PS2CC
PA5/A21/KIN13/
CIN13/PS2BD
PA4/A20/KIN12/
CIN12/PS2BC
PA3/A19/KIN11/
CIN11/PS2AD
PA2/A18/KIN10/
CIN10/PS2AC
PA1/A17/KIN9/CIN9
PA0/A16/KIN8/CIN8
PA7/KIN15/CIN15/
PS2CD
PA6/KIN14/CIN14/
PS2CC
PA5/KIN13/CIN13/
PS2BD
PA4/KIN12/CIN12/
PS2BC
PA3/KIN11/CIN11/
PS2AD
PA2/KIN10/CIN10/
PS2AC
PA1/KIN9/CIN9
PA0/KIN8/CIN8
On-chip
input pull-
up MOSs