Datasheet

Section 8 I/O Ports
Rev. 4.00 Sep 27, 2006 page 215 of 1130
REJ09B0327-0400
Expanded Modes Single-Chip Mode
Port Description Pins
Mode 1
Mode 2, Mode 3
(EXPE = 1)
Mode 2, Mode 3
(EXPE = 0)
Port 5 • 3-bit I/O port P52/SCK0/SCL0
P51/RxD0
P50/TxD0
I/O port also functioning as SCI0 input/output (TxD0, RxD0,
SCK0) and I
2
C bus interface 0 (option) input/output (SCL0)
Port 6 • 8-bit I/O port P67/IRQ7/KIN7/
CIN7
P66/IRQ6/FTOB/
KIN6/CIN6
P65/FTID/KIN5/
CIN5
P64/FTIC/KIN4/
CIN4
P63/FTIB/KIN3/
CIN3
P62/FTIA/TMIY/
KIN2/CIN2
P61/FTOA/KIN1/
CIN1
P60/FTCI/KIN0/
CIN0
I/O port also functioning as external interrupt input (IRQ7, IRQ6),
FRT input/output (FTCI, FTOA, FTIA, FTIB, FTIC, FTID, FTOB),
8-bit timer Y input (TMIY), key-sense interrupt input (KIN7 to
KIN0), and expansion A/D converter input (CIN7 to CIN0)
Port 7 • 8-bit I/O port P77/AN7/DA1
P76/AN6/DA0
P75/AN5
P74/AN4
P73/AN3
P72/AN2
P71/AN1
P70/AN0
Input port also functioning as A/D converter analog input (AN7 to
AN0) and D/A converter analog output (DA1, DA0)
Port 8 • 7-bit I/O port P86/IRQ5/SCK1/
SCL1
P85/IRQ4/RxD1
P84/IRQ3/TxD1
P83
P82/HIFSD
P81/CS2/GA20
P80/HA0
I/O port also functioning as external
interrupt input (IRQ5, IRQ4, IRQ3),
SCI1 input/output (TxD1, RxD1,
SCK1), and I
2
C bus interface 1
(option) input/output (SCL1)
I/O port also functioning as
external interrupt input
(IRQ5, IRQ4, IRQ3), SCI1
input/output (TxD1, RxD1,
SCK1), host interface
control input/output (CS2,
GA20, HA0, HIFSD), and
I
2
C bus interface 1 (option)
input/output (SCL1)