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P87C51 Datasheet 80c51 8-bit Microcontroller Family 4k/128 Otp/rom/romless Low Voltage 2.7v.5.5v/ Low Power/ High Speed 33 Mhz

Manufacturer: NXP Semiconductors

Overview: INTEGRATED CIRCUITS 80C51/87C51/80C31 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage (2.7V–5.5V), low power, high speed (33 MHz) Product specification Supersedes data of 1999 Apr 01 IC28 Data Handbook 2000 Jan 20 Philips Semiconductors Philips Semiconductors Product specification 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.

General Description

The Philips 8XC51/31 is a high-performance static 80C51 design fabricated with Philips high-density CMOS technology with operation from 2.7V to 5.5V.

The 8XC51/31 contains a 4k × 8 ROM, a 128 × 8 RAM, 32 I/O lines, three 16-bit counter/timers, a six-source, four-priority level nested interrupt structure, a serial I/O port for either multi-processor munications, I/O expansion or full duplex UART, and on-chip oscillator and clock circuits.

In addition, the device is a low power static design which offers a wide range of operating frequencies down to zero.

Key Features

  • 8051 Central Processing Unit.
  • 4k × 8 ROM (80C51).
  • 128 × 8 RAM.
  • Three 16-bit counter/timers.
  • Boolean processor.
  • Full static operation.
  • Low voltage (2.7V to 5.5V@ 16MHz) operation.
  • Memory addressing capability.
  • 64k ROM and 64k RAM.
  • Power control modes:.
  • Clock can be stopped and resumed.
  • Idle mode.
  • Power-down mode.
  • CMOS and TTL compatible.
  • TWO speed ranges at V.

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