The 89C51/89C52/89C54/89C58 is a series of 80C51 8-bit microcontrollers produced by Philips. It contains 4K/8K/16K/32K FLASH memory with parallel programming function.
This datasheet covers the Philips 89C51/89C52/89C54/89C58 family of Single-Chip 8-bit Microcontrollers. These devices contain non-volatile FLASH program memory that is parallel programmable and are derivatives of the 80C51 microcontroller family. They operate at speeds up to 33 MHz and feature full static operation.
| Operating Frequency | up to 33 MHz |
|---|---|
| Program Memory Type | non-volatile FLASH |
| Instruction Set | 80C51 |
| Interrupt Sources | 6 |
| I/O Ports | Four 8-bit |
| Voltage Range | 5V 0 to 33 |
The devices support a maximum operating frequency of 33 MHz.
The operating voltage range is 5V from 0 to 33.
A high signal on the RST pin for two machine cycles resets the device.