This document is about the specification of Philips 83C752/87C752 80C51 8-bit microcontroller. The microcontroller has a 2k × 8 ROM (83C752) EPROM (87C752), a 64 × 8 RAM, 21 I/O lines, a 16-bit auto-reload counter/timer, a fixed-priority level interrupt structure, a bidirectional inter-integrated circuit (I2C) serial bus interface, an on-chip oscillator, a five channel multiplexed 8-bit A/D converter and an 8-bit PWM output.
The Philips 83C752/87C752 is an 8-bit microcontroller from the 80C51 family fabricated with high-density CMOS technology. It offers a small package size and low cost while providing features such as a bidirectional I2C serial bus interface, a five-channel multiplexed 8-bit A/D converter, and an 8-bit PWM output.
| ROM Size (83C752) | 2k x 8 |
|---|---|
| RAM Size | 64 x 8 |
| I/O Lines | 21 |
| A/D Channels | 5 channel 8 bit |
| Operating Voltage (Normal) | < 11mA @ 5 V, 12 MHz |
| Frequency Range | 3.5 to 16 MHz |
The device consumes less than 11mA during normal operation at 5V and 12MHz.
The AVcc input must be in the range 4.5V to 5.5V.