80C851 Datasheet - NXP

80C851 CMOS single-chip 8-bit microcontroller

The Philips 80C851/83C851 is a high-performance microcontroller fabricated with Philips high-density CMOS technology. The 80C851/83C851 has the same instruction set as the 80C51. The Philips CMOS technology combines the high speed and density characteristics of HMOS with the low power attributes of .

80C851 Features

* 80C51 based architecture

* 4k × 8 ROM

* 128 × 8 RAM

* Two 16-bit counter/timers

* Full duplex serial channel

* Boolean processor

* Non-volatile 256 × 8-bit EEPROM (electrically erasable programmable read only memory)

* On-chip volta

80C851_PhilipsSemiconductors.pdf