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87C524 80C51 8-bit microcontrollers

87C524 Description

INTEGRATED CIRCUITS 87C524/87C528 80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer Product specification Replaces data sheets 87C52.
The 87C528 single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family.

87C524 Features

* 80C51 instruction set
* 512 × 8 RAM
* Memory addressing capability 64k ROM and 64k RAM
* Three 16-bit counter/timers
* On-chip watchdog timer with oscillator
* Full duplex UART

87C524 Applications

* in consumer, telecom and general control systems, especially in those systems which need large ROM and RAM capacity on-chip. The 87C528 contains a 32k × 8 EPROM and the 87C524 contains a 16k x 8 EPROM. Both devices have a 512 × 8 RAM, four 8-bit I/O ports, two 16-bit timer/event counters (identical

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