AT89C2051-24PU

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It is a versatile microcontroller unit that can be used in various applications requiring embedded computing capabilities

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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AT89C2051-24PU DataSheet

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Please submit RFQ for AT89C2051-24PU or email to us: Email: [email protected], we will contact you in 12 hours.

AT89C2051-24PU Details

The AT89C2051-24PU microcontroller from Atmel offers high performance and versatility for a wide range of embedded applications. With 2KB of Flash memory, 128 bytes of RAM, and 15 input/output pins, this microcontroller is capable of handling complex tasks while maintaining efficient power consumption. Its wide operating voltage range of 2.7V to 6V makes it suitable for diverse electronic systems, from home appliances to automotive electronics

Key Features

  • Pulse-width modulation capabilities
  • Two-level interrupt structure
  • Flexible clock control options

Application

  • Compact size, high performance
  • Perfect for automation control
  • Ideal for industrial applications

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Program Memory Size (KB) 2 RAM (bytes) 0
Data EEPROM (bytes) 0 Pin Count ! 20
Operation Voltage Max.(V) 6 Operation Voltage Min.(V) 2.7
Timers 0 x 8-bit - 0 x 16-bit Max ADC Resolution (bits) 0
ADC Channels 0 Zero Cross Detect No
Number of Comparators 0 SPI 0 -SPI
I2C 0 -I2C Stand alone PWM 0
Low Power No Numerically Controlled Oscillator (NCO) 0
Data Signal Modulator (DSM) 0

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification AT89C2051-24PU PDF Download

FAQs

What is AT89C2051-24PU?

The AT89C2051-24PU is a high-performance 8-bit microcontroller manufactured by Atmel (now Microchip). It is commonly used in embedded applications, consumer electronics, and industrial control systems that require a compact and cost-effective microcontroller solution.

How Does AT89C2051-24PU Work?

The AT89C2051-24PU operates as a versatile microcontroller with 2KB of Flash memory, 128 bytes of RAM, and 15 input/output pins. It executes program instructions stored in its Flash memory, interacts with external devices through its I/O pins, and communicates with peripherals through serial communication interfaces.

How Many Pins does AT89C2051-24PU have and What are the Functions of the Pinout Configuration?

The AT89C2051-24PU comes in a 20-pin DIP (Dual Inline Package) configuration. The pinout includes:

  • VCC: Supply voltage pin.
  • GND: Ground pin.
  • RST: Reset pin.
  • Port 1 (P1.0-P1.7): Bidirectional I/O pins.
  • Port 2 (P2.0-P2.7): Bidirectional I/O or address/data bus pins.
  • Port 3 (P3.0-P3.7): Bidirectional I/O or special function pins.
  • RXD: Serial receive pin for UART communication.
  • TXD: Serial transmit pin for UART communication.
  • XTAL1: Input to the internal oscillator circuit.
  • XTAL2: Output from the internal oscillator circuit.

What are the Pros and Cons of AT89C2051-24PU?

Pros:

  • Compact Size: Small form factor suitable for space-constrained designs.
  • Cost-Effective: Offers a budget-friendly solution for various applications.
  • Versatile I/O: Multiple I/O pins for interfacing with external components.
  • UART Communication: Supports serial communication for data exchange.
  • Flash Memory: On-chip Flash memory for program storage.

Cons:

  • Low Computational Power: Limited processing capabilities compared to higher-end microcontrollers.
  • Limited Memory: Small RAM and Flash memory sizes may restrict complex program execution.
  • Limited Peripherals: Fewer built-in peripherals compared to advanced microcontrollers.

Are There Any Equivalents/Alternatives to AT89C2051-24PU for Recommendation?

  • The PIC12F675 from Microchip is a viable alternative with similar features.
  • Alternatives to the AT89C2051-24PU include the STM8S003F3P6 from STMicroelectronics and the P89V51RD2 from NXP.

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