CHAPTER 2 PIN FUNCTIONS
Preliminary User’s Manual U16846EJ1V0UD
28
(2) Non-port
pins
Pin Name
I/O
Function
After Reset
Alternate Function
INTP0
P120
INTP1 to INTP4
P30 to P33
INTP5
Input
External interrupt request input for which the valid edge (rising
edge, falling edge, or both rising and falling edges) can be
specified
Input
P16/TOH1
SI10
Input
Serial data input to serial interface
Input
P11/RxD0
Note
SO10
Output
Serial data output from serial interface
Input
P12
SCK10
I/O
Clock input/output for serial interface
Input
P10/TxD0
Note
RxD0
Note
P11/SI10
RxD6
Input
Serial data input to asynchronous serial interface
Input
P14
TxD0
Note
P10/SCK10
TxD6
Output
Serial data output from asynchronous serial interface
Input
P13
TI000
External count clock input to 16-bit timer/event counter 00
Capture trigger input to capture registers (CR000, CR010) of
16-bit timer/event counter 00
P00
TI010
Input
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
Input
P01/TO00
TO00
Output
16-bit timer/event counter 00 output
Input
P01/TI010
TI50
Input
External count clock input to 8-bit timer/event counter 50
Input
P17/TO50/FLMD1
TO50
Output
8-bit timer/event counter 50 output
Input
P17/TI50/FLMD1
TOH0
8-bit timer H0 output
P15
TOH1
Output
8-bit timer H1 output
Input
P16/INTP5
ANI0 to ANI3
Input
A/D converter analog input
Input
P20 to P23
AV
REF
Input
A/D converter reference voltage input and positive power
supply for port 2
−
−
AV
SS
−
A/D converter ground potential. Make the same potential as
V
SS
.
−
−
RESET
Input
System reset input
−
−
X1[CL1] Input
−
−
X2[CL2]
−
Connecting resonator for high-speed system clock
[RC connection for high-speed system clock]
−
−
V
DD
−
Positive power supply
−
−
V
SS
−
Ground potential
−
−
FLMD0
−
−
FLMD1
−
Flash memory programming mode setting.
Input P17/TI50/TO50
Note TxD0 and RxD0 are available only in the
µ
PD78F0102H and 78F0103H.
Remark Items in brackets are the pin names when external RC oscillation is used.