UPD75P4308GS datasheet(2/60 Pages) NEC

2 / 60 page

µPD75P4308

OVERVIEW OF FUNCTIONS

Item

Function

Instruction execution time

• 0.95, 1.91, 3.81, or 15.3

µs (system clock: @ 4.19 MHz)

• 0.67, 1.33, 2.67, or 10.7

µs (system clock: @ 6.0 MHz)

Internal memory

PROM

8192

× 8 bits

RAM

256

× 4 bits

General-purpose register

• 4-bit manipulation: 8 registers

× 4 banks

• 8-bit manipulation: 4 registers

× 8 banks

I/O ports

CMOS input

Connection of on-chip pull-up resistors can be specified by software: 7

CMOS I/O

Connection of on-chip pull-up resistors can be specified by software: 18

N-ch open-drain I/O

13-V withstand voltage

Total

Timers

3 channels

• 8-bit timer/event counter: 2 channels

(Can be used as a 16-bit timer/event counter)

• 8-bit basic interval timer/watchdog timer: 1 channel

Serial interface

• 3-wire serial I/O mode ... MSB/LSB-first switchable

• 2-wire serial I/O mode

Bit sequential buffer

16 bits

Clock output (PCL)

•

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

•

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

Vectored interrupts

External: 3, Internal: 4

Test input

External: 1

System clock oscillator

Ceramic/crystal oscillator

Standby functions

STOP mode/HALT mode

Operating ambient temperature

TA = –40 to +85˚C

Power supply voltage

VDD = 1.8 to 5.5 V

Package

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

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