P89C557E4 Datasheet (PDF) Download
NXP Semiconductors
P89C557E4

Description

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.