83C451 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ expanded I/O

NXP

Description

INTEGRATED CIRCUITS 80C451/83C451/87C451 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O Product specification Supersedes dat.
The Philips 8XC451 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology.

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Datasheet Specifications

Part number: 83C451
Manufacturer: NXP ↗
File Size: 162.75 KB
Datasheet: 83C451_PhilipsSemiconductors.pdf
Description: 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ expanded I/O

Features

* except the on-board 4k × 8 ROM. The 87C451 has 4k of EPROM on-chip as program memory and is otherwise identical to the 83C451. The 8XC451 has two software selectable modes of reduced activity for further power reduction; idle mode and power-down mode. Idle mode freezes the CPU while allowing the RAM

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83C451 80C51 8-bit microcontroller family 128 OTP ROM ROMless expanded NXP

NXP 83C451-like datasheet