Datasheet

Section 10 I/O Ports
Rev. 3.00 Mar 17, 2006 page 430 of 926
REJ09B0283-0300
Modes 3
*
1
, 7
Port Description
Modes 1
and 5
Modes 2
and 6
Mode 4
EXPE = 1 EXPE = 0
Input/
Output
Type
Port
8
General I/O port
also functioning
as EXDMAC I/Os
and interrupt
inputs
P85/EDACK3/IRQ5
P84/EDACK2/IRQ4
P83/ETEND3/IRQ3
P82/ETEND2/IRQ2
P81/EDREQ3/IRQ1
P80/EDREQ2/IRQ0
P85/EDACK3/IRQ5
P84/EDACK2/IRQ4
P83/ETEND3/IRQ3
P82/ETEND2/IRQ2
P81/EDREQ3/IRQ1
P80/EDREQ2/IRQ0
P85/IRQ5
P84/IRQ4
P83/IRQ3
P82/IRQ2
P81/IRQ1
P80/IRQ0
Port
A
General I/O port
also functioning
as address
outputs
PA7/A23
PA6/A22
PA5/A21
A20
A19
A18
A17
A16
PA7/A23
PA6/A22
PA5/A21
PA4/A20
PA3/A19
PA2/A18
PA1/A17
PA0/A16
PA7/A23
PA6/A22
PA5/A21
PA4/A20
PA3/A19
PA2/A18
PA1/A17
PA0/A16
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Built-in
input pull-
up MOS
Open-
drain
output
capability
Port
B
General I/O port
also functioning
as address
outputs
A15
A14
A13
A12
A11
A10
A9
A8
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Built-in
input pull-
up MOS
Port
C
General I/O port
also functioning
as address
outputs
A7
A6
A5
A4
A3
A2
A1
A0
PC7/A7
PC6/A6
PC5/A5
PC4/A4
PC3/A3
PC2/A2
PC1/A1
PC0/A0
PC7/A7
PC6/A6
PC5/A5
PC4/A4
PC3/A3
PC2/A2
PC1/A1
PC0/A0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Built-in
input pull-
up MOS