P83C557E4 Single-chip 8-bit microcontroller

P83C557E4 Single-chip 8-bit microcontroller

The P80C557E4/P83C557E4/P89C557E4 (hereafter generically referred to as P8xC557E4) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The P8xC557E4 has the same instruction set as the 80C51. Three versions of the der.

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• 80C51 central processing unit 32 K × 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes ROM/FEEPROM Code protection 1024 × 8 RAM, expandable externally to 64 Kbytes Two standard 16-bit timer/counters An additional 16-bit timer/counter coupled to four capture registers and three compare registers A 10-bit ADC with eight multiplexed analog inputs and programmable autoscan Two 8-bit resolution, pulse width modulation outputs Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs I2C-bus serial I/O port with b.