This document describes the features and characteristics of Philips 83C748/87C748 80C51 8-bit microcontroller family, including small package size, low cost, high-density CMOS technology, ROM and RAM capacity, timer, interrupt structure, etc.
This document is a preliminary specification for the Philips 83C748 (OTP) and 87C748 (EPROM) microcontrollers, which are part of the 80C51 family. These devices feature a small package size with options including 24-pin DIP, SSOP, and PLCG.
| Architecture | 80C51 based architecture |
|---|---|
| ROM Size (83C748) | 2k x 8 |
| RAM Size | 64 x 8 |
| I/O Lines | 19 IO lines |
| Timer Type | 16-bit auto-reloadable countertimer |
| Operating Frequency Range | 3.5 to 16 MHz |
| Normal Operation Current | less than 11mA @ 5V, 12MHz |
| Idle Mode Current | less than 18uA |
The maximum supply voltage is Vcc + 0.5V, with a typical operating voltage of 5V.
The device operates with a supply voltage ranging from 4.5 V to 6.5 V.
The absolute maximum power dissipation is 1.0 W.