P80C31SFBB中文资料80C51 8-bit microcontroller family / 128/256 byte RAM ROMless low voltage (2.7 V–5.5 V), low power, high speed (33 MHz)数据手册恩XP规格书

描述 Description

The Philips 80C31/32 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 80C31/32 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.