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P89C557E4 - Single-chip 8-bit microcontroller

Download the P89C557E4 datasheet PDF. This datasheet also covers the P89 variant, as both devices belong to the same single-chip 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

General 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.

The P8xC557E4 has the same instruction set as the 80C51.

Key Features

  • 80C51 central processing unit 32 K × 8 ROM respectively.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (P89-C557.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
INTEGRATED CIRCUITS P83C557E4/P80C557E4/P89C557E4 Single-chip 8-bit microcontroller Product specification Supersedes data of 1999 Feb 15 1999 Mar 02 Philips Semiconductors Philips Semiconductors Product specification Single-chip 8-bit microcontroller P83C557E4/P80C557E4/P89C557E4 1.