Manufacturer Part Number
AT89C2051-12PI
Manufacturer
Microchip Technology
Introduction
The AT89C2051-12PI is an 8-bit microcontroller from Microchip Technology, part of the 89C series. It is a high-performance, low-power CMOS 8-bit microcontroller with 2KB of Flash programmable and erasable read-only memory (PEROM).
Product Features and Performance
2KB of Flash program memory
128 bytes of internal RAM
15 programmable I/O lines
Fully static operation: 0 Hz to 12 MHz
Two-level program memory lock
Interrupt capability (two external, one timer)
Programmable watchdog timer
Power-on reset and internal reset
Product Advantages
High-performance, low-power 8-bit microcontroller
Flexible program memory with in-system programming capability
Extensive peripheral set and interrupt system
Wide operating voltage and temperature range
Key Technical Parameters
Package: 20-PDIP
Mounting Type: Through Hole
Operating Temperature: -40°C to 85°C
Supply Voltage: 4V to 6V
Core Processor: 8051
Oscillator Type: Internal
Program Memory Size: 2KB
RAM Size: 128 bytes
Speed: 12MHz
Quality and Safety Features
RoHS non-compliant
Meets industrial temperature range requirements
Compatibility
The AT89C2051-12PI is compatible with the 8051 microcontroller architecture and can be used in a variety of embedded applications.
Application Areas
Industrial control systems
Automotive electronics
Home appliances
Consumer electronics
Product Lifecycle
The AT89C2051-12PI is a mature product that has been in the market for several years. It is still actively supported by Microchip Technology, and there are no immediate plans for discontinuation. Replacement or upgrade options may be available from Microchip's current 8051-based microcontroller portfolio.
Key Reasons to Choose This Product
High-performance, low-power 8-bit microcontroller with extensive peripheral set and interrupt system.
Flexible program memory with in-system programming capability, allowing for easy firmware updates.
Wide operating voltage and temperature range, making it suitable for a variety of industrial and embedded applications.
Mature product with long-term support and availability from a trusted manufacturer, Microchip Technology.
AT89C2051Atmel (Microchip Technology)