NEC PD78052 User Manual page 78

(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
SDA0
SDA1
SCK0 Input/
SCK1 output Serial interface serial clock input/output
SCK2
SCL
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
Input
TI00 External count clock input to 16-bit timer (TM0)
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 Output 16-bit timer (TM0) output (also used for 14-bit PWM output)
8-bit timer (TM1) output
TO1
8-bit timer (TM2) output
TO2
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
78
CHAPTER 4 PIN FUNCTION ( PD78054Y Subseries)
Function After Reset Alternate Function
P00/TI00
P01/TI01
P02
Input P03
P04
P05
P06
P25/SB0/SDA0
Input P20
P70/RxD
P26/SB1/SDA1
Input P21
P71/TxD
P25/SI0/SDA0
Input
P26/SO0/SDA1
P25/SI0/SB0
P26/SO0/SB1
P27/SCL
Input P22
P72/ASCK
P27/SCK0
Input P23
Input P24
Input P70/SI2
Input P71/SO2
Input P72/SCK2
Input
P00/INTP0
P01/INTP1
P33
P34
Input P30
P31
P32
Input P35
Input P36
Input P120 to P127