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P87LPC764 Datasheet microcontroller

Manufacturer: NXP Semiconductors

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General Description

The P87LPC764 is a 20-pin single-chip microcontroller designed for low pin count applications demanding high-integration, low cost solutions over a wide range of performance requirements.

A member of the Philips low pin count family, the P87LPC764 offers programmable oscillator configurations for high and low speed crystals or RC operation, wide operating voltage range, programmable port output configurations, selectable Schmitt trigger inputs, LED drive outputs, and a built-in watchdog timer.

The P87LPC764 is based on an accelerated 80C51 processor architecture that executes instructions at twice the rate of standard 80C51 devices.

Overview

www.DataSheet4U.com INTEGRATED CIRCUITS P87LPC764 Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP Product data Supersedes data of 2001 Oct 26 2003 Sep 03 Philips Semiconductors Philips Semiconductors Product data Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP P87LPC764 • I2C communication port.

• Eight keypad interrupt inputs, plus two additional external interrupt inputs.

• Four interrupt priority levels.

Key Features

  • An accelerated 80C51 CPU provides instruction cycle times of 300.
  • 600 ns for all instructions except multiply and divide when executing at 20 MHz. Execution at up to 20 MHz when VDD = 4.5 V to 6.0 V, 10 MHz when VDD = 2.7 V to 6.0 V.
  • Selectable Schmitt trigger port inputs.
  • LED drive capability (20 mA) on all port pins.
  • Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
  • 4.5 V to 5.5 V fo.

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