AT89S8253
Overview
The AT89S8253 is a low-power, high-performance CMOS 8-bit microcontroller with 12K bytes of In-System Programmable (ISP) Flash program memory and 2K bytes of EEPROM data memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout.
- Compatible with MCS®51 Products
- 12K Bytes of In-System Programmable (ISP) Flash Program Memory - SPI Serial Interface for Program Downloading - Endurance: 10,000 Write/Erase Cycles
- 2K Bytes EEPROM Data Memory - Endurance: 100,000 Write/Erase Cycles
- 64-byte User Signature Array
- 2.7V to 5.5V Operating Range
- Fully Static Operation: 0 Hz to 24 MHz (in x1 and x2 Modes)
- Three-level Program Memory Lock
- 256 x 8-bit Internal RAM
- 32 Programmable I/O Lines
- Three 16-bit Timer/Counters