Part Number : P80C31SBAA
Function : 8-bit Microcontroller
Package : PLCC 44 Pin Type
Maker : Philips Electronics
Image : 
Description :
The Philips P80C31SBAA, 80C31/80C32 is a high-performance static 80C51 design fabricated with Philips high-density CMOS technology with operation from 2.7 V to 5.5 V.
The 80C31/80C32 ROMless devices contain a 128 ×8 RAM/256 ×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 communications, I/O expansion or full duplex UART, and on-chip oscillator and clock circuits.
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
Datasheet PDF Download : 
Others datasheet of same file :
P80C31, P80C31SBBB, P80C31SBPN, P80C31SFAA, P80C31SFBB
