
69
CHAPTER 4 PIN FUNCTION (
μ
PD780058Y Subseries)
(2) Non-port pins (1/2)
Pin Name
Input/Output
Function
After Reset
Alternate Function
INTP0
Input
Input
P00/TI00
INTP1
P01/TI01
INTP2
P02
INTP3
P03
INTP4
P04
INTP5
P05
SI0
Input
Serial interface serial data input
Input
P25/SB0/SDA0
SI1
P20
SI2
P70/RxD
SO0
Output
Serial interface serial data output
Input
P26/SB1/SDA1
SO1
P21
SO2
P71/TxD
SB0
Serial interface serial data input/output
Input
P25/SI0/SDA0
SB1
P26/SO0/SDA1
SDA0
P25/SI0/SB0
SDA1
P26/SO0/SB1
SCK0
Serial interface serial clock input/output
Input
P27/SCL
SCK1
P22
SCK2
P72/ASCK
SCL
P27/SCK0
STB
Output
Serial interface automatic transmit/receive strobe output
Input
P23/TxD1
BUSY
Input
Serial interface automatic transmit/receive busy input
Input
P24/RxD1
RxD0
Input
Asynchronous serial interface serial data input
Input
P70/SI2
RxD1
P24/BUSY
TxD
Output
Asynchronous serial interface serial data output
Input
P71/SO2
TxD1
P23/STB
ASCK
Input
Asynchronous serial interface serial clock input
Input
P72/SCK2
TI00
External count clock input to 16-bit timer (TM0)
P00/INTP0
TI01
Capture trigger signal input to capture register (CR00)
P01/INTP1
TI1
External count clock input to 8-bit timer (TM1)
P33
TI2
External count clock input to 8-bit timer (TM2)
P34
TO0
Output
16-bit timer (TM0) output (also used for 14-bit PWM output)
Input
P30
TO1
P31
TO2
P32
PCL
Output
Clock output (for main system clock and subsystem clock trimming)
Input
P35
BUZ
Output
Buzzer output
Input
P36
RTP0 to RTP7
Output
Real-time output port outputting data in synchronization with trigger
Input
P120 to P127
Input
Input
8-bit timer (TM1) output
8-bit timer (TM2) output
External interrupt request inputs with specifiable valid edges (rising
edge, falling edge, both rising and falling edges).
Input/
output
Input/
output