P83C557E6 Datasheet - NXP

P83C557E6 Single-chip 8-bit microcontroller

The P80C557E6/P83C557E6 (hereafter generically referred to as P8xC557E6) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The P8xC557E6 has the same instruction set as the 80C51. Three versions of the derivative ex.

P83C557E6 Features

* 80C51 central processing unit

* 48 K × 8 ROM, expandable externally to 64 Kbytes

* ROM Code protection

* 1536 × 8 RAM, expandable externally to 64 Kbytes

* Two standard 16-bit timer/counters

* An additional 16-bit timer/counter coupled to four captu

P83C557E6_PhilipsSemiconductors.pdf