UPD78F4938A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD78F4938A

16-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

A8 to A19:

Address bus

AD0 to AD7: Address/data bus

ANI0 to ANI7: Analog input

ASCK, ASCK2: Asynchronous serial clock

ASTB:

Address strobe

AVDD:

Analog power supply

AVREF1:

Reference voltage

AVSS:

Analog ground

CI:

Clock input

CLKOUT:

Clock output

HLDAK:

Hold acknowledge

HLDRQ:

Hold request

INTP0 to INTP5: Interrupt from peripherals

NMI:

Non-maskable interrupt

P00 to P07: Port 0

P10 to P17: Port 1

P20 to P27: Port 2

P30 to P37: Port 3

P40 to P47: Port 4

P50 to P57: Port 5

P60 to P67: Port 6

P70 to P77: Port 7

P90 to P97: Port 9

P100 to P107: Port 10

µPD78F4938A

PWM0, PWM1: Pulse width modulation output

RD:

Read strobe

REFRQ:

Refresh request

REGC:

Regulator capacitance

REGOFF:

Regulator off

RESET:

Reset

RX:

IEBus receive data

RxD, RxD2: Receive data

SCK0 to SCK3: Serial clock

SI0 to SI3:

Serial input

SO0 to SO3: Serial output

TO0 to TO3: Timer output

TX:

IEBus transmit data

TxD, TxD2:

Transmit data

VDD:

Power supply

VPP:

Programming power supply

VSS:

Ground

WAIT:

Wait

WR:

Write strobe

X1, X2:

Crystal (main system clock)

XT1, XT2:

Crystal (watch)

8

Data Sheet U14118EJ1V0DS

Share Link: