Manufacturer Part Number
AT89S4051-24SU
Manufacturer
Microchip Technology
Introduction
The AT89S4051-24SU is an 8-bit microcontroller from the 89S series with in-system programmable Flash, operating at a speed of 24MHz.
Product Features and Performance
8051 core processor at 24MHz speed
FLASH program memory of 4KB
256 x 8 bits of RAM
15 configurable input/output pins
UART/USART communication interface
On-chip peripherals including PWM, POR, and brown-out detect/reset
Integrated internal oscillator
Surface Mount 20-SOIC package
Product Advantages
High-performance 8051 microcontroller with in-system programmable capabilities
Low power consumption with a wide operating voltage range from 2.7V to 5.5V
Allows for a compact PCB design due to its small footprint and surface mount package
Robust operation in extreme temperatures ranging from -40°C to 85°C
Key Technical Parameters
Core Size: 8-Bit
Speed: 24MHz
Program Memory Size: 4KB
RAM Size: 256 x 8
Number of I/Os: 15
Voltage - Supply (Vcc/Vdd): 2.7V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Brown-out Detect/Reset provides protection against low-voltage conditions
Power-on Reset (POR) ensures reliable operation upon power-up
Compatibility
Compatible with many 8051 development and programming tools
Supports UART/USART peripherals for serial communication applications
Application Areas
Industrial automation
Consumer electronics
Automotive systems
Embedded system design and development
Internet of Things (IoT) devices
Product Lifecycle
The product status is "Obsolete," indicating it has been phased out, with limited availability and potential replacement or upgrade options.
Key Reasons to Choose This Product
Highly versatile 8051 core microcontroller suitable for a range of applications
Beneficial combination of volatile and non-volatile memory for robust data management
In-system programmability enables easy updates and firmware management
Industry-standard 8051 core ensures compatibility with existing development ecosystems
Durable and reliable operation in harsh environmental conditions
Suitable for applications demanding low-power operations and high-speed processing