NEC 78K0 User Manual page 32

(2) Non-port pins
Pin Name I/O
INTP0 Input
INTP1 to INTP3
INTP4
INTP5
SI10 Input
SO10 Output
SCK10 I/O
RxD0 Input
RxD6
TxD0 Output
TxD6
TI000 Input
TI010
TO00 Output
TI50 Input
TI51
TO50 Output
TO51
TOH0
TOH1
ANI0 to ANI7 Input
AV Input
REF
−
AV
SS
KR0 to KR3 Input
RESET Input
X1 Input
−
X2
XT1 Input
−
XT2
−
V
DD
−
EV
DD
−
V
SS
−
EV
SS
−
IC
−
V
PP
32
CHAPTER 2 PIN FUNCTIONS
Function
External interrupt request input for which the valid edge (rising
edge, falling edge, or both rising and falling edges) can be
specified
Serial data input to serial interface
Serial data output from serial interface
Clock input/output for serial interface
Serial data input to asynchronous serial interface
Serial data output from asynchronous serial interface
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
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
16-bit timer/event counter 00 output
External count clock input to 8-bit timer/event counter 50
External count clock input to 8-bit timer/event counter 51
8-bit timer/event counter 50 output
8-bit timer/event counter 51 output
8-bit timer H0 output
8-bit timer H1 output
A/D converter analog input
A/D converter reference voltage input and positive power
supply for port 2
A/D converter ground potential. Make the same potential as
EV or V .
SS SS
Key interrupt input
System reset input
Connecting resonator for X1 input clock
Connecting resonator for subsystem clock
Positive power supply (except for ports)
Positive power supply for ports
Ground potential (except for ports)
Ground potential for ports
Internally connected. Connect directly to EV
Flash memory programming mode setting. High-voltage
application for program write/verify. Connect to EV
normal operation mode.
User's Manual U16227EJ2V0UD
After Reset
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
−
−
Input
−
−
−
−
−
−
−
−
−
−
or V .
SS SS
−
or V in
SS SS
Alternate Function
P120
P30 to P32
P33/TI51/TO51
P16/TOH1
P11/RxD0
P12
P10/TxD0
P11/SI10
P14
P10/SCK10
P13
P00
P01/TO00
P01/TI010
P17/TO50
P33/TO51/INTP4
P17/TI50
P33/TI51/INTP4
P15
P16/INTP5
P20 to P27
−
−
P70 to P73
−
−
−
−
−
−
−
−
−
−
−