Manufacturer Part Number
AT89LP51RD2-20JU
Manufacturer
Microchip Technology
Introduction
The AT89LP51RD2-20JU is an 8-bit microcontroller from Microchip Technology, featuring high performance and low power consumption suitable for a wide range of embedded applications.
Product Features and Performance
Core Processor: 8051
Core Size: 8-Bit
Speed: 20MHz
Connectivity options include EBI/EMI, I2C, SPI, UART/USART
Peripherals include Brown-out Detect/Reset, Power-On Reset, PWM, Watchdog Timer
Offers 40 I/O ports
64KB (64K x 8) of FLASH Program Memory
RAM Size is 2.25K x 8
Integrated A/D Converter with 7 channels of 10 bits each
Internal Oscillator for streamlined design
Operating Temperature range from -40°C to 85°C
Product Advantages
High program memory size for complex applications
Versatile connectivity and peripheral options support various design requirements
Low voltage operation (2.4V ~ 5.5V) serves battery-powered applications
Enhanced instruction set for efficient coding and fast execution
Key Technical Parameters
Program Memory Size: 64KB
RAM Size: 2.25KB
Speed: 20MHz
Number of I/O: 40
Voltage Supply: 2.4V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Brown-out Detect/Reset ensures reliable operation under variable voltage conditions
Power-On Reset facilitates reliable startup
Rigorously tested for stable performance across operating temperatures
Compatibility
The device package (44-PLCC) supports surface mount technology for easy integration into PCB designs
Compatible with a wide range of development tools from Microchip Technology
Application Areas
Industrial control systems
Consumer electronics
Automotive applications
Internet of Things (IoT) devices
Product Lifecycle
Status: Active
Ongoing manufacturer support with no current indication of discontinuation
Future upgrades or replacements will adhere to compatible design standards
Several Key Reasons to Choose This Product
High-speed 8051 core supports intensive applications
Low power consumption extends battery life in portable devices
Extensive connectivity and peripheral set simplifies system design
Large program memory accommodates complex software without external memory
Flexible voltage operation allows use in diverse environments
Microchip Technology's reliability and ongoing support ensure long-term deployment stability
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