UPD78F0034A NEC, UPD78F0034A Datasheet - Page 9

• Manufacturer Part Number: UPD78F0034A
• Description: 8 Bit Single Chip Microcontroller
• Manufacturer: NEC

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A8 to A15:
AD0 to AD7:
ADTRG:
ANI0 to ANI7:
ASCK0:
ASTB:
AV
AV
AV
BUZ:
INTP0 to INTP3:
P00 to P03:
P10 to P17:
P20 to P25:
P30 to P36:
P40 to P47:
P50 to P57:
P64 to P67:
DD
REF
SS
:
:
:
Address bus
Address/data bus
AD trigger input
Analog input
Asynchronous serial clock
Address strobe
Analog power supply
Analog reference voltage
Analog ground
Buzzer clock
External interrupt input
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Data Sheet U14040EJ4V0DS
P70 to P75:
PCL:
RD:
RESET:
RxD0:
SCK30, SCK31, SCL0: Serial clock
SDA0:
SI30, SI31:
SO30, SO31:
TI00, TI01, TI50, TI51: Timer input
TO0, TO50, TO51:
TxD0:
V
V
V
WAIT:
WR:
X1, X2:
XT1, XT2:
DD0
PP
SS0
:
, V
, V
SS1
DD1
:
:
µ PD78F0034A, 78F0034AY
Port 7
Programmable clock
Read strobe
Reset
Receive data
Serial data
Serial input
Serial output
Timer output
Transmit data
Power supply
Programming power supply
Ground
Wait
Write strobe
Crystal (main system clock)
Crystal (subsystem clock)
9