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CHAPTER 2 PIN FUNCTIONS
User’s Manual U15109EJ3V0UD
62
(2) Non-port pins
(1/4)
Pin Name
I/O
PULL
Function
Alternate Function
A1
P110/WAIT
A2 to A4
No
P111 to P113
A5
P100/KR0/TO7
A6
P101/KR1/TI70
A7
P102/KR2/TI00
A8
P103/KR3/TI01
A9
P104/KR4/TO0
A10
P105/KR5/TI10
A11
P106/KR6/TI11
A12
Yes
P107/KR7/TO1
A13
P34/TI71
A14
P35/INTP7
A15
Output
No
Lower address bus used for external memory expansion
(V850/SC1 and V850/SC2 only)
P36/INTP8
A16 to A21
Output
No
Higher address bus used for external memory expansion
P60 to P65
AD0 to AD15
I/O
No
16-bit multiplexed address/data bus used for external memory
expansion
P40 to P47,
P50 to P57
ADCGND
–
–
Ground potential for A/D converter
–
ADCV
DD
–
–
Power supply pin and reference voltage pin for A/D converter
–
ADTRG
Input
No
A/D converter external trigger input
P05/INTP4
ANI0 to ANI11
Input
No
Analog input to A/D converter
P70 to P77,
P80 to P83
ASCK0
Baud rate clock input for UART0
P15/SCK4
ASCK1
Baud rate clock input for UART1
P142/SCK3
ASCK2
Baud rate clock input for UART2
P145
ASCK3
Input
No
Baud rate clock input for UART3
P152
ASTB
Output
No
External address strobe signal output
P94
CANRX1
CAN1 receive data input
Note 1
P115
CANRX2
Input
CAN2 receive data input
Note 2
P117
CANTX1
CAN1 transmit data output
Note 1
P114
CANTX2
Output
No
CAN2 transmit data output
Note 2
P116
CLKOUT
Output
−
Internal system clock output
−
CPUREG
–
–
Connection of regulator output stabilization capacitance
–
DSTB
Output
No
External data strobe signal output
P93/RD
Note 3
GND0 to GND2
−
−
Ground potential
−
Notes 1.
Only for the V850/SC3
2.
Only for the
µ
PD703089Y and 70F3089Y
3.
Only for the V850/SC1 and V850/SC2
Remark
PULL: On-chip pull-up resistor