NEC PD78052 User Manual page 62

(2) Pins other than port pins (1/2)
Pin Name
Input/Output
INTP0
INTP1
INTP2 External interrupt request inputs with specifiable valid edges (rising
INTP3 Input edge, falling edge, both rising and falling edges).
INTP4
INTP5
INTP6
SI0
SI1 Input Serial interface serial data input
SI2
SO0
SO1 Output Serial interface serial data output
SO2
SB0 Input/
Serial interface serial data input/output
SB1 output
SCK0
Input/
SCK1 Serial interface serial clock input/output
output
SCK2
STB Output Serial interface automatic transmit/receive strobe output
BUSY Input Serial interface automatic transmit/receive busy input
RxD Input Asynchronous serial interface serial data input
TxD Output Asynchronous serial interface serial data output
ASCK Input Asynchronous serial interface serial clock input
TI00 External count clock input to 16-bit timer (TM0)
Input
TI01 Capture trigger signal input to capture register (CR00)
TI1 External count clock input to 8-bit timer (TM1)
TI2 External count clock input to 8-bit timer (TM2)
TO0 16-bit timer (TM0) output (also used for 14-bit PWM output)
TO1 Output 8-bit timer (TM1) output
TO2
8-bit timer (TM2) output
PCL Output Clock output (for main system clock and subsystem clock trimming)
BUZ Output Buzzer output
RTP0 to RTP7 Output Real-time output port outputting data in synchronization with trigger
62
CHAPTER 3 PIN FUNCTION ( PD78054 Subseries)
Function After Reset Alternate Function
P00/TI00
P01/TI01
P02
Input P03
P04
P05
P06
P25/SB0
Input P20
P70/RxD
P26/SB1
Input P21
P71/TxD
P25/SI0
Input
P26/SO0
P27
Input P22
P72/ASCK
Input P23
Input P24
Input P70/SI2
Input P71/SO2
Input P72/SCK2
P00/INTP0
Input
P01/INTP1
P33
P34
P30
Input
P31
P32
Input P35
Input P36
Input P120 to P127