NEC 78K0 Series User Manual page 25

Pin Identification
ANI0 to ANI7: Analog input
AV : Analog reference voltage
REF
AV : Analog ground
SS
BUZ: Buzzer output
EV : Power supply for port
DD
EV : Ground for port
SS
EXCLK: External clock input
(main system clock)
EXCLKS: External clock input
(subsystem clock)
EXLVI: External potential input
for low-voltage detector
EXSCL0: External serial clock input
FLMD0: Flash programming mode
INTP0 to INTP7: External interrupt input
KR0 to KR7: Key return
Note1
OCD0A ,
Note1
OCD0B ,
Note1
OCD1A ,
Note1
OCD1B : On chip debug input/output
P00 to P06: Port 0
P10 to P17: Port 1
P20 to P27: Port 2
P30 to P33: Port 3
P40 to P43: Port 4
P50 to P53: Port 5
µ
Notes 1. PD78F0537D (product with on-chip debug function) only
µ
2. PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D only
CHAPTER 1 OUTLINE
P60 to P63:
P70 to P77:
P120 to P124:
P130:
P140, P141:
PCL:
REGC
RESET:
RxD0, RxD6:
SCK10, SCK11
SCL0:
SDA0:
Note2
SI10, SI11 :
Note2
SO10, SO11
Note2
SSI11 :
TI000, TI010,
Note2
TI001 , TI011
TI50, TI51:
Note2
TO00, TO01
TO50, TO51,
TOH0, TOH1:
TxD0, TxD6:
V :
DD
V :
SS
X1, X2:
XT1, XT2:
Preliminary User's Manual U17260EJ3V1UD
Port 6
Port 7
Port 12
Port 13
Port 14
Programmable clock output
Regulator capacitance
Reset
Receive data
Note2
,
Serial clock input/output
Serial data input/output
Serial data input
: Serial data output
Serial interface chip select input
Note2
,
Timer input
,
Timer output
Transmit data
Power supply
Ground
Crystal oscillator (main system clock)
Crystal oscillator (subsystem clock)
25