AT89C51-24PC

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AT89C51-24PC

+Nomenclature

IC MCU 8BIT 4KB FLASH 40DIP

  • FabricantTechnologie de micropuce

  • Pièce fabricant #AT89C51-24PC

  • Package PDIP-40

  • En stock4967

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Spécifications

Attribut Valeur
Package Tube
Series 89C
ProductStatus Obsolete
CoreProcessor 80C51
CoreSize 8-Bit
Speed 24MHz
Connectivity UART/USART
NumberofI/O 32
ProgramMemorySize 4KB (4K x 8)
ProgramMemoryType FLASH
RAMSize 128 x 8
Voltage-Supply(Vcc/Vdd) 4V ~ 6V
OscillatorType Internal
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 40-DIP (0.600, 15.24mm)

Présentation

Description

The AT89C51-24PC is an 8-bit microcontroller from the 8051 family, manufactured by Atmel (now part of Microchip Technology). It is designed for embedded control applications and features a high-performance architecture with reduced power consumption. The AT89C51-24PC operates at a maximum frequency of 24 MHz and includes 4KB of Flash memory for program storage, 128 bytes of RAM for data storage, and 32 I/O pins for interfacing with external devices.
Key peripherals include two 16-bit timers/counters, a full duplex serial communication interface, and five interrupt sources to support robust control applications. It also supports a variety of programming modes and has an on-chip oscillator for clock generation. Ideal for applications requiring precise timing and control, the AT89C51-24PC is commonly used in consumer electronics, automotive systems, and industrial automation. It maintains compatibility with the MCS-51 instruction set, ensuring ease of programming and integration into existing 8051-based systems.

Equivalent

The AT89C51-24PC is an 8-bit microcontroller from Atmel's 8051 family. Equivalent products include:
1. NXP's P89V51RD2
2. Silicon Labs' C8051F020
3. STMicroelectronics' STC89C52RC
4. Microchip's PIC16F877A (alternative architecture)
5. Texas Instruments' MSP430 series (alternative architecture)
These alternatives may vary in memory, speed, or features, so it's important to check the specifications to ensure compatibility with your application.

Features

The AT89C51-24PC is a microcontroller from the 8051 family, produced by Atmel. Key features include:
1. 8-bit CPU: Classic 8051 architecture.
2. Flash Memory: 4 KB of In-System Programmable (ISP) Flash memory.
3. RAM: 128 bytes of on-chip RAM.
4. I/O Ports: Four 8-bit parallel I/O ports.
5. Timers: Two 16-bit timers/counters for time-based operations.
6. UART: Full-duplex serial communication through a UART interface.
7. Clock Speed: Operates at up to 24 MHz.
8. Interrupts: Five interrupt sources with two priority levels.
9. Low-Power Operation: Idle and Power-down modes to reduce power consumption.
10. Pin Count: 40-pin dual in-line package (DIP).
11. Compatibility: Pin and instruction-set compatible with standard 8051 devices.
These features make the AT89C51-24PC suitable for a variety of embedded applications, providing a balance of performance, power efficiency, and cost-effectiveness.

Pinout

The AT89C51-24PC is an 8-bit microcontroller from the 8051 family, manufactured by Atmel. It features a 40-pin Dual In-line Package (DIP). Each pin on this microcontroller serves specific functions, which include:
- I/O Ports: It has four parallel I/O ports (P0, P1, P2, P3), each with 8 bits, totaling 32 I/O pins.
- Power Supply: VCC (Pin 40) for power and GND (Pin 20) for ground.
- Oscillator Inputs: XTAL1 (Pin 19) and XTAL2 (Pin 18) for the oscillator circuit to provide the clock signal.
- Reset: RST (Pin 9) to reset the microcontroller.
- Control Pins: EA (Pin 31) for external access, ALE/PROG (Pin 30) for address latch enable, and PSEN (Pin 29) for program store enable.
- Serial Communication: TXD and RXD for serial data transmission and reception are part of Port 3.
These pins allow the microcontroller to perform a wide range of functions, making it suitable for embedded applications.

Manufacturer

The AT89C51-24PC is manufactured by Atmel Corporation, which is now part of Microchip Technology Inc. Atmel was originally a semiconductor company that specialized in designing and manufacturing microcontrollers, including those based on the 8051 architecture like the AT89C51. In 2016, Atmel was acquired by Microchip Technology, a leading provider of microcontroller and analog semiconductors. Microchip Technology is known for its comprehensive portfolio of embedded control solutions, including microcontrollers, mixed-signal, analog, and Flash-IP solutions.

Application

The AT89C51-24PC is a microcontroller commonly used in embedded systems. Its application areas include:
1. Consumer Electronics: Used in devices like remote controls, washing machines, and microwave ovens for control tasks.
2. Industrial Automation: Employed in process control systems, motor controls, and data acquisition systems.
3. Automotive: Used in dashboard instrumentation and engine control systems.
4. Communication Systems: Utilized in modems and networking equipment.
5. Home Automation: Powers smart home devices and security systems.
6. Educational Tools: Often used in academic projects and microcontroller training kits due to its simplicity and ease of use.
These versatile applications leverage the microcontroller's capabilities in controlling, processing, and interfacing tasks.

Package

The AT89C51-24PC is a microcontroller from the 8051 family, manufactured by Atmel (now part of Microchip Technology). It is housed in a 40-pin PDIP (Plastic Dual In-line Package).

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