UPD754304GS datasheet(3/74 Pages) NEC

3 / 74 page

µPD754302, 754304, 754302(A), 754304(A)

Functional Outline

Parameter

Function

Instruction execution time

• 0.95, 1.91, 3.81, 15.3

µs (@ 4.19 MHz with system clock)

• 0.67, 1.33, 2.67, 10.7

µs (@ 6.0 MHz with system clock)

On-chip memory

ROM

2048

× 8 bits (

µPD754302)

4096

× 8 bits (

µPD754304)

RAM

256

× 4 bits

General-purpose register

• 4-bit operation: 8

× 4 banks

• 8-bit operation: 4

× 4 banks

Input/

CMOS input

On-chip pull-up resistors can be specified by software: 7

output

CMOS input/output

On-chip pull-up resistors can be specified by software: 18

port

N-ch open-drain

13 V withstand voltage. On-chip pull-up resistors can be specified by

input/output pins

mask option.

Total

Timer

3 channels

• 8-bit timer/event counter: 2 channels (16-bit timer/event counter)

• Basic interval timer/watchdog timer: 1 channel

Serial interface

• 3-wire serial I/O mode ... MSB or LSB can be selected for transferring top bit

• 2-wire serial I/O mode

Bit sequential buffer

16 bits

Clock output (PCL)

•

Φ, 524, 262, 65.5 kHz (@ 4.19 MHz with system clock)

•

Φ, 750, 375, 93.8 kHz (@ 6.0 MHz with system clock)

Vectored interrupts

External: 3, Internal: 4

Test input

External: 1

System clock oscillator

Ceramic or crystal oscillator

Standby function

STOP/HALT mode

Operating ambient

TA = –40 to +85 ˚C

temperature

Power supply voltage

VDD = 1.8 to 5.5 V

Package

36-pin plastic shrink SOP (300 mil, 0.8-mm pitch)

UPD754304GS Datasheet(PDF) 3 Page - NEC

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