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83C451

NXP
Part Number 83C451
Manufacturer NXP
Description 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ expanded I/O
Published Mar 22, 2005
Detailed Description INTEGRATED CIRCUITS 80C451/83C451/87C451 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O Produc...
Datasheet PDF File 83C451 PDF File

83C451
83C451

Overview
INTEGRATED CIRCUITS 80C451/83C451/87C451 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O Product specification Supersedes data of 1998 Jan 19 IC20 Data Handbook 1998 May 01 Philips Semiconductors Philips Semiconductors Product specification 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O 80C451/83C451/87C451 DESCRIPTION The Philips 8XC451 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology.
Philips epitaxial substrate minimizes latch-up sensitivity.
The 8XC451 (includes the 80C451, 87C451 and 83C451) is a functional extension of the 87C51 microcontroller with three additional I/O ports and four I/O control lines for a total of 68 pins.
Four control lines associated with port 6 facilitate high-speed asynchronous I/O functions.
The 8XC451 includes a 4k × 8 ROM (83C451) EPROM (87C451), a 128 × 8 RAM, 56 I/O, two 16-bit timer/counters, a five source, two priority level, nested interrupt s...


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