P87LPC778 - NXP

P87LPC778 CMOS single-chip 8-bit 80C51 microcontroller

The P87LPC778 is a 20-pin single-chip microcontroller designed for low pin count applications demanding high-integration, low cost solutions over a wide range of performance requirements. A member of the Philips low pin count family, the P87LPC778 offers a 4 channel, 8-bit A/D converter, programmable oscillator configurations for high and low speed crystals o.

Features

s An accelerated 80C51 CPU provides instruction cycle times of 300 ns to 600 ns for all instructions except multiply and divide when executing at 20 MHz. s 2.7 V to 5.5 V operating range for digital functions. s Four channel, 10-bit Pulse Width Modulator. s Four channel, 8-bit Analog to Digital Converter. Conversion time is 9.3 µs with a 20 MHz crystal. s I2C-bus communication port and Full duplex UART. s Internal oscillator 2.5 %. The internal oscillator option allows operation with no external oscillator components. s Two analog comparators. s Eight keypad interrupt inputs, plus two addition.