AT89S51-24JU

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AT89S51-24JU

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IC MCU 8BIT 4KB FLASH 44PLCC

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Attribut Wert
Package / Case Bulk
Series 89S
Part Status Active
Core Processor 8051
Core Size 8-Bit
Speed 24MHz
Connectivity UART/USART
Peripherals WDT
Number of I/O 32
Program Memory Size 4KB (4K x 8)
Program Memory Type FLASH
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 4V ~ 5.5V
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The AT89S51-24JU is a microcontroller from Atmel's 8051 family. Designed for embedded control applications, it features an 8-bit Central Processing Unit (CPU) and is known for its robustness and versatility. Key features include 4 KB of Flash memory, 128 bytes of RAM, 32 I/O pins, and a series of timers and serial communication capabilities. Operating at speeds of up to 24 MHz, it is suitable for a wide range of applications, from simple control systems to more complex tasks involving data processing.
The microcontroller also supports ISP (In-System Programming), allowing for convenient programming and updates without removing the chip from the circuit. Its compact PLCC-44 packaging (Plastic Leaded Chip Carrier) makes it ideal for space-constrained applications. The AT89S51-24JU is widely used in industrial automation, consumer electronics, and research projects due to its balance of performance, price, and extensive development resources. Its compatibility with the classic 8051 instruction set ensures a wealth of existing code and a well-established community for support.

Equivalent

The AT89S51-24JU is an 8-bit microcontroller from Microchip (formerly Atmel). Equivalent products include:
1. NXP P89V51RD2: A similar 8-bit microcontroller with comparable specs.
2. Silicon Labs C8051F340: Offers enhanced features and performance.
3. STMicroelectronics STC89C52: A cost-effective alternative with similar functionality.
4. Microchip PIC16F877A: A widely used 8-bit microcontroller with similar features.
5. Intel 8051: The original 8-bit microcontroller that many equivalents are based on.
These alternatives vary in features, so evaluate based on specific project needs.

Pinout

The AT89S51-24JU is a microcontroller from the 8051 family developed by Atmel (now part of Microchip Technology). It has a pin count of 44, provided in a PLCC (Plastic Leaded Chip Carrier) package. This microcontroller features:
- 4 KB of Flash Memory: For program storage.
- 128 Bytes of RAM: For data operations.
- 32 I/O Pins: Organized into four 8-bit ports (P0, P1, P2, P3) for interfacing with other devices.
- Two 16-bit Timer/Counters: For timing operations and event counting.
- Full-Duplex UART: For serial communication.
- Interrupt Sources: Five interrupt sources with two priority levels.
- On-chip Oscillator and Clock Circuitry: Supports external clocks.
The AT89S51-24JU is designed for a wide range of applications, providing a balance between performance and power efficiency. It operates at a maximum frequency of 24 MHz, making it suitable for embedded applications that require moderate speed and functionality.

Manufacturer

The AT89S51-24JU is a microcontroller manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that develops and manufactures a wide range of microcontroller, memory, and analog semiconductor products. It is known for its extensive portfolio of microcontrollers and microprocessors, as well as its development tools and support for embedded systems. The company serves various industries, including automotive, industrial, consumer electronics, and communications, providing solutions to design efficient and reliable electronic products.

Application

The AT89S51-24JU is a microcontroller from the 8051 family, commonly used in embedded systems. Its application areas include:
1. Consumer Electronics: Used in household gadgets like washing machines and microwave ovens for control functions.
2. Industrial Automation: Employed in control systems for machinery and process automation.
3. Automotive: Used in vehicle control systems for tasks like engine management and lighting.
4. Healthcare: Integrated into medical devices for monitoring and control purposes.
5. Networking: Utilized in communication devices for protocol handling and data processing.
6. Education: Often used in educational kits and projects to teach microcontroller programming.
These applications leverage its modest processing power, ease of programming, and cost-effectiveness.

Package

The AT89S51-24JU is a microcontroller from Atmel's 8051 family, packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) format.

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