Rev. 1.0, 02/00, page 186 of 1141
Table 10.1
Port Functions
Port
Description
Pins
Alternative Functions
Function
Switching
Register
Port 0
P07 to P00 input-
only ports
P07/AN7 to
P00/AN0
Analog data input channels 7 to 0
PMR0
P17/TMOW
Prescalar unit frequency division clock
output
P16/
,&
Prescalar unit input capture input
Port 1
P17 to P10 I/O ports
(Built-in MOS pull-up
transistors)
P15/
,54
8
to
P10/
,54
3
External interrupt request input
PMR1
P27/SYNCI
Formatless serial clock input
P26/SCL0
I
2
C bus interface clock I/O
P25/SDA0
I
2
C bus interface data I/O
STCR
ICCR
P24/SCL1
I
2
C bus interface clock I/O
P23/SDA1
I
2
C bus interface data I/O
P22/SCK1
SCI1 clock I/O
P21/SO1
SCI1 transmit data output
Port 2
P27 to P20 I/O ports
(Built-in MOS pull-up
transistors)
P20/SI1
SCI1 receive data input
SMR
SCR
P37/TMO
Timer J timer output
P36/BUZZ
Timer J buzzer output
P35/PWM3 to
P32/PWM0
8-bit PWM output
P31/SV2
Servo monitor output
Port 3
P37 to P30 I/O ports
(Built-in MOS pull-up
transistors)
P30/SV1
PMR3
P47/RPTRG
Realtime output port trigger input
P46/FTOB
Timer X output compare B output
P45/FTOA
Timer X output compare A output
TOCR
P44/FTID
Timer X input capture D input
P43/FTIC
Timer X input capture C input
P42/FTIB
Timer X input capture B input
P41/FTIA
Timer X input capture A input
Port 4
P47 to P40 I/O ports
P40/PWM14
14-bit PWM output
PMR4
Realtime output port
P67/RP7/
TMBI
Timer B event output
Realtime output port
P66/RP6/
ADTRG
A/D conversion start external trigger
input
Port 6
P63 to P60 I/O ports
P65/RP5 to
P60/RP0
Realtime output port
PMR6
PMRA
PPG output
P77/PPG7/
RPB to P74/
PPG4/RP8
Realtime output port
Port 7
P77 to P70 I/O ports
P73/PPG3 to
P70/PPG0
PPG output
PMR7
PMRB