Manufacturer Part Number
AT89C55WD-24PU
Manufacturer
Microchip Technology
Introduction
The AT89C55WD-24PU is a high-performance CMOS 8-bit microcontroller with Flash programmable and erasable read only memory (PEROM).
Product Features and Performance
8051-based Core Processor
8-Bit Core Size
24MHz Operating Speed
UART/USART Connectivity
Watchdog Timer (WDT) Peripheral
32 Programmable I/O Lines
20KB of Reprogrammable Flash Memory
256 x 8 Bits of Internal RAM
Internal Oscillator
Product Advantages
High Integration of Features Reduces System Costs
Embedded Flash Program Memory Supports In-System Programming and Application Versatility
Enhanced Serial Communication with UART
Low Power Consumption Extending Battery Life in Portable Devices
Fully Static Operation for Lower Power Consumption
Key Technical Parameters
Core Processor: 8051
Core Size: 8-Bit
Speed: 24MHz
Connectivity: UART/USART
Number of I/O: 32
Program Memory Size: 20KB
Program Memory Type: FLASH
RAM Size: 256 x 8
Voltage - Supply (Vcc/Vdd): 4.5V to 5.5V
Operating Temperature: -40°C to 85°C
Mounting Type: Through Hole
Package: 40-PDIP
Quality and Safety Features
Extended Operating Temperature Range Ensures Reliability Across Various Environments
Through Hole Mounting for Robust Physical Connections
CMOS Technology for Reliability and Power Efficiency
Compatibility
Compatible with 8051 Based Microcontroller Systems
PDIP-40 Packaging for Ease of Integration into Various Circuit Boards
Application Areas
Industrial Control Systems
Consumer Electronics
Automated Security Systems
Telecommunications
Automotive Industry
Product Lifecycle
Active Status Indicating Continued Manufacturer Support
Availability of Replacements or Upgrades As Part of Microchip's Long-term Product Strategy
Several Key Reasons to Choose This Product
High-Speed Operation at 24MHz Suitable for Demanding Applications
Large Number of I/O Lines for Enhanced Peripheral Handling
Robust Flash Memory with In-System Programmability
Strong Community and Vendor Support for 8051 Microcontrollers
Favorable Cost-to-Performance Ratio
Industry Standard Core Ensuring Wide Compatibility and Easy Adoption in Designs