Datasheet

Section 9 I/O Ports
Rev.6.00 Mar. 18, 2009 Page 325 of 980
REJ09B0050-0600
Mode 7
Port Description Mode 1
*
Mode 2
*
Mode 4
EXPE = 1 EXPE = 0
Input/
Output
Type
Port 5 General I/O port
also functioning
as interrupt inputs,
A/D converter
inputs, and SCI
I/Os
P53/ADTRG/IRQ3
P52/SCK2/IRQ2
P51/RxD2/IRQ1
P50/TxD2/IRQ0
Schmitt-
triggered
input when
used as
IRQ input
Port 8 General I/O port
also functioning
as SCI I/Os
P85/SCK3
P83/RxD3
P81/TxD3
Port 9 Dedicated input
port also
functioning as A/D
converter analog
inputs and D/A
converter analog
outputs
P95/AN13/DA3
P94/AN12/DA2
Port A General I/O port
also functioning
as address
outputs interrupt
inputs, and bus
control I/Os
PA7/A23/CS7/IRQ7
PA6/A22/IRQ6
PA5/A21/IRQ5
A20/IRQ4
A19
A18
A17
A16
PA7/A23/
CS7/
IRQ7
PA6/A22/
IRQ6
PA5/A21/
IRQ5
PA4/A20/
IRQ4
PA3/A19
PA2/A18
PA1/A17
PA0/A16
PA7/A23/
CS7/
IRQ7
PA6/A22/
IRQ6
PA5/A21/
IRQ5
PA4/A20/
IRQ4
PA3/A19
PA2/A18
PA1/A17
PA0/A16
PA7/IRQ7
PA6/IRQ6
PA5/IRQ5
PA4/IRQ4
PA3
PA2
PA1
PA0
Only PA4
to PA7 are
Schmitt-
triggered
input when
used as
IRQ input.
Built-in
MOS input
pull-up
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
MOS input
pull-up