Manufacturer Part Number
DS89C450-ENL
Manufacturer
Analog Devices
Introduction
High-Performance 8051-Compatible Microcontroller with Enhanced Features
Product Features and Performance
8-Bit Core Processor
Operating Speed of 33MHz
Supports EBI/EMI, SIO, UART/USART Connectivity
Onboard Power-Fail Reset
Watchdog Timer (WDT) for System Stability
32 Programmable Input/Output Lines
64KB FLASH Memory
1KB RAM
External Oscillator Support
Product Advantages
High Speed Over Standard 8051 Devices
Multiple Connectivity Options Enhancing System Integration
Generous Program Memory and RAM for Complex Applications
Power Management Features for Reliable Operation
Key Technical Parameters
Core Size: 8-Bit
Speed: 33MHz
Program Memory Size: 64KB
RAM Size: 1K x 8
Voltage Supply Range: 4.5V to 5.5V
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Robust Operating Temperature Range for Harsh Environments
Power-Fail Reset for Improved Safety and Reliability
Compatibility
Compatible with Standard 8051 Microcontroller Interfaces
Supports External Hardware via EBI/EMI Connectivity
Application Areas
Industrial Control Systems
Automotive Electronics
Telecommunication Infrastructure
Complex Embedded Systems
Product Lifecycle
Obsolete Product
Alternative Upgrades or Replacements May Be Required
Several Key Reasons to Choose This Product
High Performance Relative to 8051 Microcontroller Series
Enhanced Connectivity Features Supporting a Range of Peripherals
Large Memory Capacity for Advanced Applications
Proven Reliability in Variable Temperature Conditions
Ease of Migration from Existing 8051-Based Designs