AT89C2051-24PC

Name: AT89C2051-24PC
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

24MHz clock speed

7,731 Effective Inventory

AT89C2051-24PC

Effective Inventory7,731

24MHz clock speed

Manufacturer Part # : AT89C2051-24PC
Package/Case: PDIP-20
Part Status : Discontinued
Brand: Microchip Technology
Product Categories : Microcontrollers
Series : AT89C2051

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AT89C2051-24PC DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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AT89C2051-24PC Details

The AT89C2051-24PC is an 8-bit microcontroller from Microchip, designed for various embedded systems applications. This device features a high operating frequency of 24 MHz, making it suitable for fast data processing and communication.

Pinout

1-20 (P0-P19): Programmable I/O Lines
VCC: Positive Power Supply
GND: Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Applications

Industrial Automation: Used in control systems for monitoring and controlling processes, ensuring reliable data transmission and precise timing.
Automotive Systems: Suitable for various automotive applications, such as anti-lock braking systems (ABS), electronic fuel injection controllers, and more.
Medical Devices: Used in medical devices requiring high-speed processing, such as implantable pacemakers or surgical robots.

Where to Use

The AT89C2051-24PC microcontroller is suitable for use in various embedded systems applications where high speed and precise timing are required, such as:

Automotive control systems
Industrial automation devices
Medical devices requiring fast processing and communication

How to Use

To use the AT89C2051-24PC microcontroller, follow these general guidelines:

Program the microcontroller using Microchip's proprietary programming tools.
Configure the I/O lines and peripherals as needed for your specific application.
Utilize the built-in UART for serial communication and timer/counter functions for timing-related applications.

Application Circuit

The application circuit diagram for the AT89C2051-24PC illustrates how to connect the microcontroller to various peripherals and interfaces for your specific embedded system.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

MCS-85: A comparable microcontroller from Intel with similar features and performance.

Complementary

The AT89C2051-24PC can be complemented by additional Microchip products, such as:

A/D Converters: For analog-to-digital conversion.
I2C/SPI Interfaces: For communication with peripheral devices and sensors.

When selecting complementary products, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum operating frequency of the AT89C2051-24PC?

A: The maximum operating frequency of the AT89C2051-24PC is 24 MHz. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the AT89C2051-24PC be used in medical devices?

A: Yes, the AT89C2051-24PC microcontroller is suitable for use in various medical devices, including implantable pacemakers and surgical robots.

Specifications

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

Product Category !	8-bit Microcontrollers - MCU	RoHS	N
Series	AT89C2051	Mounting Style	Through Hole
Package / Case	PDIP-20	Core	8051
Program Memory Size	2 kB	Data Bus Width	8 bit
ADC Resolution	No ADC	Maximum Clock Frequency	24 MHz
Number of I/Os	15 I/O	Data RAM Size	128 B
Supply Voltage - Min	4 V	Supply Voltage - Max	6 V
Minimum Operating Temperature	0 C	Maximum Operating Temperature !	+ 70 C
Brand	Microchip Technology	Data ROM Type	Flash
Height	5.33 mm	Interface Type	UART
Length	26.92 mm	Number of Timers/Counters	2 Timer
Product Type !	8-bit Microcontrollers - MCU	Program Memory Type !	Flash
Factory Pack Quantity	18	Subcategory	Microcontrollers - MCU
Width	7.11 mm	Unit Weight	0.079719 oz

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 AT89C2051-24PC PDF Download

FAQs

What is AT89C2051-24PC?

The AT89C2051-24PC is a high-performance 8-bit microcontroller manufactured by Atmel. It is based on the industry-standard 8051 architecture and is commonly used in embedded systems, industrial control applications, and consumer electronics.

How Does AT89C2051-24PC Work?

The AT89C2051-24PC functions as a microcontroller, executing instructions stored in its program memory to control various functions in electronic systems. It features on-chip Flash memory for program storage, RAM for data storage, and various I/O ports for connecting to external devices.

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

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

VCC: Supply voltage pin.
GND: Ground pin.
RST: Reset pin.
XTAL1, XTAL2: Crystal oscillator input and output pins.
EA/VPP: Programming voltage input or external access enable.
P1.0 - P1.7: I/O pins of Port 1.
P3.0 - P3.3: I/O pins of Port 3.
RXD, TXD: Serial communication pins.

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

Pros:

Industry Standard Architecture: Based on the widely-used 8051 architecture.
On-Chip Flash Memory: Allows for in-system programming and flexible application development.
Rich Peripheral Set: Features multiple I/O ports, timer/counters, and serial communication support.
Low Power Consumption: Suitable for battery-powered or energy-efficient designs.
Cost-Effective Solution: Offers a balance of performance and cost for various embedded applications.

Cons:

Limited Performance: May not be suitable for high-speed or complex applications.
Limited Memory: Has constraints on program and data memory compared to more advanced microcontrollers.
Limited I/O Pins: The number of I/O pins may be insufficient for certain applications.

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

The AT89S52 from Atmel is a higher-performance 8051 microcontroller with more memory and peripherals.
Alternatives to the AT89C2051-24PC include the PIC16F877A from Microchip and the STM8S003F3 from STMicroelectronics.