P87C51 Overview
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 structure, a serial I/O port for either multi-processor munications, I/O expansion or full duplex UART, and on-chip...
P87C51 Key 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 and 64k RAM
- Power control modes


