UPD78044F datasheet(9/66 Pages) NEC

9 / 66 page

µPD78F0034A, 78F0034AY

Data Sheet U14040EJ4V0DS

A8 to A15:

Address bus

P70 to P75:

Port 7

AD0 to AD7:

Address/data bus

PCL:

Programmable clock

ADTRG:

AD trigger input

RD:

Read strobe

ANI0 to ANI7:

Analog input

RESET:

Reset

ASCK0:

Asynchronous serial clock

RxD0:

Receive data

ASTB:

Address strobe

SCK30, SCK31, SCL0: Serial clock

AVDD:

Analog power supply

SDA0:

Serial data

AVREF:

Analog reference voltage

SI30, SI31:

Serial input

AVSS:

Analog ground

SO30, SO31:

Serial output

BUZ:

Buzzer clock

TI00, TI01, TI50, TI51:

Timer input

INTP0 to INTP3:

External interrupt input

TO0, TO50, TO51:

Timer output

P00 to P03:

Port 0

TxD0:

Transmit data

P10 to P17:

Port 1

VDD0, VDD1:

Power supply

P20 to P25:

Port 2

VPP:

Programming power supply

P30 to P36:

Port 3

VSS0, VSS1:

Ground

P40 to P47:

Port 4

WAIT:

Wait

P50 to P57:

Port 5

WR:

Write strobe

P64 to P67:

Port 6

X1, X2:

Crystal (main system clock)

XT1, XT2:

Crystal (subsystem clock)

UPD78044F Datasheet(PDF) 9 Page - NEC

UPD78044F Datasheet(HTML) 9 Page - NEC

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