Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 212 of 698
REJ09B0074-0700
Port Description Modes 4 and 5 Mode 6 Mode 7
Input/Output
Type
Port 9 General input
port also
functioning as
A/D converter
analog input pins
P97/AN15
P96/AN14
Port A General I/O port
also functioning
as SCI_2 I/O pins
and address bus
output pins
PA3/A19/SCK2
PA2/A18/RxD2
PA1/A17/TxD2
PA0/A16
PA3/SCK2
PA2/RxD2
PA1/TxD2
PA0
On-chip input
pull-up MOS
Open-drain
output
Port B General I/O port
also functioning
as address bus
output pins
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
On-chip input
pull-up MOS
A7 When DDR = 0: PC7
When DDR = 1: A7
PC7
A6 When DDR = 0: PC6
When DDR = 1: A6
PC6
Port C General I/O port
also functioning
as address bus
output pins
A5 When DDR = 0: PC5
When DDR = 1: A5
PC5
On-chip input
pull-up MOS
A4 When DDR = 0: PC4
When DDR = 1: A4
PC4
A3 When DDR = 0: PC73
When DDR = 1: A3
PC3
A2 When DDR = 0: PC2
When DDR = 1: A2
PC2
A1 When DDR = 0: PC1
When DDR = 1: A1
PC1
A0 When DDR = 0: PC0
When DDR = 1: A0
PC0
Port D General I/O port
also functioning
as data bus I/O
pins
D15
D14
D13
D12
D11
D10
D9
D8
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
On-chip input
pull-up MOS