Manufacturer Part Number
AT89C2051-12SI
Manufacturer
microchip-technology
Introduction
The AT89C2051-12SI is an 8-bit microcontroller from Microchip Technology, based on the 8051 core, designed for embedded systems requiring minimal power and space.
Product Features and Performance
8-Bit 8051-Compatible Microcontroller
Operating speed up to 12MHz
Integrated UART/USART for serial communication
Supports LED peripherals
15 programmable I/O lines
2KB of Flash memory for program storage
128 bytes of internal RAM
Internal oscillator for clock generation
Operates at a supply voltage of 4V to 6V
Designed to operate in the -40°C to 85°C temperature range
Product Advantages
Low power consumption due to the efficient 8051 core
Simplified system design with an internal oscillator
Reduced external components due to integrated peripherals
Flash memory allows for easy program updates
Broad operating voltage and temperature range suitable for challenging environments
Key Technical Parameters
Core Processor: 8051
Core Size: 8-Bit
Speed: 12MHz
Program Memory Size: 2KB
RAM Size: 128 x 8
Voltage Supply (Vcc/Vdd): 4V ~ 6V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Rigorous quality control and testing by Microchip Technology
Reliable operation in extreme temperatures
Compatibility
Compatible with 8051 toolchains and software development environments
Easy integration with existing 8051-based systems
Application Areas
Industrial control systems
Consumer electronics
Automotive systems
Embedded systems requiring compact and efficient microcontrollers
Product Lifecycle
Product Status: Obsolete
Customers should consider planning for replacements or upgrades due to obsolescence
Several Key Reasons to Choose This Product
Highly efficient and cost-effective for embedded applications
Flash programmability facilitates easy updates and iterations
Comprehensive peripheral integration reduces design complexity
Support from Microchip Technology ensures reliability and quality
Obsolescence status requires careful lifecycle management, ideal for mature designs or retrofits