Manufacturer Part Number
AT89C2051-12PU
Manufacturer
Microchip Technology
Introduction
Affordable 8-bit microcontroller with an on-chip flash memory, ideal for embedded systems
Product Features and Performance
8-bit 8051-compatible microprocessor
12MHz operating speed
2KB of flash memory
128 x 8 bits of RAM
15 general purpose I/O pins
Integrated UART/USART for serial communication
Internal oscillator for clock generation
Support for external interrupt
Product Advantages
Low power consumption
Wide operating voltage range of 2.7V to 6V
Flash memory allows for easy reprogramming
Suitable for through-hole PCB mounting
Key Technical Parameters
Core Processor: 8051
Core Size: 8-Bit
Speed: 12MHz
Program Memory Size: 2KB (2K x 8)
RAM Size: 128 x 8
Number of I/O: 15
Voltage - Supply (Vcc/Vdd): 2.7V ~ 6V
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Extended operating temperature range
Reliable flash memory retention
Industry-standard quality and robustness
Compatibility
Compatible with many 8051 tools and standard development environments
Compatible with various peripheral interfaces
Application Areas
Industrial automation
Consumer Electronics
Automotive systems
Telecommunications
Product Lifecycle
Status: Active
Consistent supply and support available
No immediate risk of discontinuation
Key Reasons to Choose This Product
Proven 8051 core architecture
High integration reduces system cost and complexity
Comprehensive support from Microchip Technology
Ease of use with in-system programming capabilities
Adaptable to various applications and long-term projects
Ideal for rapid prototyping and education purposes
AT89C1051-12PIAtmel (Microchip Technology)