P87C51 Datasheet (NXP) - 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V/ low power/ high speed 33 MHz

P87C51, 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V/ low power/ high speed 33 MHz

The Philips 8XC51/31 is a high-performance static 80C51 design fabricated with Philips high-density CMOS technology with operation from 2.7V to 5.5V.

The 8XC51/31 contains a 4k × 8 ROM, a 128 × 8 RAM, 32 I/O lines, three 16-bit counter/timers, a six-source, four-priority level nested interrupt struc

P87C51 Features

* 8051 Central Processing Unit

* 4k × 8 ROM (80C51)

* 128 × 8 RAM

* Three 16-bit counter/timers

* Boolean processor

* Full static operation

* Low voltage (2.7V to 5.5V@ 16MHz) operation

* Memory addressing capability

* 64k ROM