87C453 Datasheet - NXP

87C453 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ expanded I/O

The Philips 8XC453 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology. Philips epitaxial substrate minimizes latch-up sensitivity. The 8XC453 is a functional extension of the 87C51 microcontroller with three additional I/O ports and four I/O control l.

87C453 Features

* 80C51 based architecture

* Seven 8-bit I/O ports

* Port 6 features:

* Eight data pins

* Four control pins

* Direct MPU bus interface

* ISA Bus Interface

* Parallel printer interface

* IBF and OBF interrupts

* A flag l

87C453_PhilipsSemiconductors.pdf