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Chapter 2
Pin Function (μPD780828A Subseries)
User’s Manual U16504EE1V1UD00
2.2 Non-Port Pins
Table 2-2:
Non-Port Pins (1/2)
Pin Name
Input/Output
Function
After
Reset
Alternate
Function Pin
INTP0
Input
External interrupts with specifiable valid edges (ris-
ing edge, falling edge, both rising and falling edges)
Input
P00
INTP1
P01
INTP2
P02
SI30
Input
Serial interface serial data input
Input
P37/S24
SI31
Input
Serial interface serial data input
Input
P95/S18
SO30
Output
Serial interface serial data output
Input
P36/S25
SO31
Output
Serial interface serial data output
Input
P94/SIO31/S19
SCK30
Input, Output Serial interface serial clock input / output
Input
P35/S26
SCK31
Input, Output Serial interface serial clock input / output
Input
P93/S20
SIO31
Input, Output Serial interface serial data input / output
Input
P94/SO31/S19
RXD0
Input
Asynchronous serial interface data input
Input
P62
TXD0
Output
Asynchronous serial interface data output
Input
P63
CRXD
Input
CAN serial data input
Input
-
CTXD
Output
CAN serial data output
Output
-
TI20
Input
Capture trigger input
P64
TI21
Input
Capture trigger input
P65
TI22
Input
Capture trigger input
P90/S23
TI50
Input
External count clock input to 8-bit timer (TM50)
P34/TO50/S27
TI51
Input
External count clock input to 8-bit timer (TM51)
P91/TO51/S22
TP0
Output
16-bit timer output
Input
P92/S21
TO50
8-bit timer output (also used for PWM output)
P34/TI50/S27
TO51
8-bit timer output (also used for PWM output)
P91/TI51/S22
PCL
Output
Clock output (for main system clock trimming)
Input
P61/SGOA
S0-S7
Output
Segment signal output of LCD controller / driver
Input
P40-P47
S8-S15
P80-P87
S16-S17
P97-P96
S18
P95/SI31
S19
P94/SO31/SIO31
S20
P93/SCK31
S21
P92/TPO
S22
P91/TO51/TI51
S23
P90/TI22
S24
P37/SI30
S25
P36/SO30
S26
P35/SCK30
S27
P34/TO50/TI50
COM0-COM3 Output
Common signal output of LCD controller /driver
Output
-