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AT89S51-24JU

Name: AT89S51-24JU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 4KB FLASH 44PLCC

Производитель
Мфр. Часть #AT89S51-24JU
Пакет PLCC44
Лист данных AT89S51-24JU DataSheet
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Спецификации

Package	Bulk
Series	89S
ProductStatus	Active
CoreProcessor	8051
CoreSize	8-Bit
Speed	24MHz
Connectivity	UART/USART
Peripherals	WDT
NumberofI/O	32
ProgramMemorySize	4KB (4K x 8)
ProgramMemoryType	FLASH
RAMSize	128 x 8
Voltage-Supply(Vcc/Vdd)	4V ~ 5.5V
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	44-LCC (J-Lead)

Обзор

Description

The AT89S51-24JU is an 8-bit microcontroller from the Atmel (now part of Microchip Technology) 8051 family. It features 24K bytes of flash memory for program storage, 128 bytes of RAM, and 32 I/O lines, making it suitable for various embedded applications. The microcontroller operates at a maximum clock frequency of 24 MHz, enabling efficient processing for real-time tasks.
Key features include an on-chip oscillator and clock circuitry, programmable watchdog timer, and a serial communication interface. The AT89S51-24JU supports various operating modes, including an idle and power-down mode, enhancing energy efficiency. It is compatible with most 8051 development tools and has a rich ecosystem supporting development, including debuggers and compilers.
Its versatility makes it ideal for applications in automation, robotics, and consumer electronics, where control and processing tasks are essential.

Features

The AT89S51-24JU is an 8-bit microcontroller from Atmel's 8051 family. Key features include:
1. Architecture: 8-bit processor with 16-bit timer/counters.
2. Memory: 4 KB of Flash program memory, 128 bytes of RAM, and 64 bytes of I/O ports.
3. Clock Speed: Operates at a maximum frequency of 24 MHz.
4. I/O Ports: Four parallel I/O ports (P0 to P3) for flexible interfacing.
5. Timers: Two 16-bit timers/counters for various timing applications.
6. Interrupts: Five interrupt sources with two external interrupts for responsive applications.
7. Serial Communication: Full-duplex UART for serial communication.
8. Programming: Reprogrammable Flash memory allows easy updates and development.
9. Package: Available in a 40-pin DIP or PLCC package.
The AT89S51-24JU is ideal for embedded systems, automation, and control applications, offering a balance of performance and ease of use.

Package

The AT89S51-24JU is packaged in a 40-pin dual in-line package (DIP).

Pinout

The AT89S51-24JU is an 8-bit microcontroller from Atmel's 8051 family, featuring a 40-pin Dual In-line Package (DIP).
Pin Count: 40 pins
Key Functions:
- Digital I/O Ports: Ports 0, 1, 2, and 3 (total of 32 I/O pins).
- Oscillator Pins: XTAL1 and XTAL2 for connecting an external crystal oscillator.
- Reset Pin: RES for resetting the microcontroller.
- Serial Communication: TXD (transmit) and RXD (receive) pins for UART communication.
- Control Signals: ALE (Address Latch Enable) and PSEN (Program Store Enable) for memory interfacing.
- Interrupts: External interrupts (INT0 and INT1) and programmable timer interrupts.
- Memory: Supports internal RAM and external memory interfacing.
The AT89S51-24JU is widely used in embedded systems for various applications due to its simplicity and versatility.

Manufacturer

The AT89S51-24JU is manufactured by Atmel, which is now part of Microchip Technology Inc. Atmel was a semiconductor company known for its microcontrollers, EEPROMs, and other integrated circuits. It specialized in developing microcontrollers based on the 8051 architecture, as well as ARM-based microcontrollers and various other products. Microchip Technology, the parent company, is a leading provider of microcontroller and analog semiconductors, focusing on embedded control applications across various industries, including automotive, consumer electronics, and industrial automation.

Application

The AT89S51-24JU microcontroller is commonly used in embedded systems for applications such as industrial automation, consumer electronics, motor control, home automation, and data acquisition systems. Its features, including 8-bit processing, multiple I/O pins, and built-in memory, make it suitable for tasks like sensor interfacing, signal processing, and real-time control in various electronic projects.

Equivalent

The AT89S51-24JU is an 8-bit microcontroller from Atmel (now part of Microchip Technology). Equivalent products include:
1. AT89C51 - A similar 8-bit microcontroller with flash memory.
2. AT89S52 - Offers more memory and features while retaining compatibility.
3. P89V51RD2 - A variant with enhanced features and higher performance.
4. C8051F020 - A 51-compatible microcontroller with additional peripherals.
Always verify compatibility based on specific project requirements.

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