AT89C51-24PI

Name: AT89C51-24PI
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

AT89C51-24PI is an 8-bit microcontroller from the 8051 family

6,047 Effective Inventory

AT89C51-24PI

Effective Inventory6,047

AT89C51-24PI is an 8-bit microcontroller from the 8051 family

Manufacturer Part # : AT89C51-24PI
Package/Case: PDIP-40
Part Status : Discontinued
Brand: Microchip Technology
Product Categories : Microcontrollers
Series : AT89C51

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AT89C51-24PI 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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AT89C51-24PI Details

The AT89C51-24PI is a high-performance microcontroller from Atmel, designed for embedded systems applications. This device features a 24 MHz clock speed, 4 KB of Flash memory, 128 bytes of RAM, 32 I/O lines, and a full duplex UART for serial communication. It is housed in a 40-DIP package, making it suitable for compact circuit designs.

Key Features

High-Performance Microcontroller: Offers a 24 MHz clock speed for fast processing and execution.
4 KB Flash Memory: Provides ample storage space for program code and data.
128 Bytes RAM: Sufficient memory for temporary data storage and processing.
32 I/O Lines: Enables communication with external devices and peripherals.
Full Duplex UART: Supports serial communication protocols for data transmission and reception.

Applications

Industrial Automation: Suitable for industrial control systems, automation, and monitoring applications.
Robotics: Used in robotics and mechatronics applications where precise control and processing are required.
Home Automation: Ideal for home automation systems, smart homes, and building management systems.
Security Systems: Utilized in security systems, access control, and surveillance applications.
Automotive Electronics: Used in automotive electronics, infotainment systems, and vehicle control applications.
Embedded Systems: Suitable for various embedded systems, including industrial control, medical devices, and consumer products.

Where to Use

The AT89C51-24PI is designed for use in a wide range of applications where high-performance processing, memory, and I/O capabilities are required. This includes industrial control systems, robotics, home automation, security systems, automotive electronics, and embedded systems.

How to Use

To use the AT89C51-24PI, you will need to program it with your desired application code. This can be done using a variety of programming tools and languages, including assembly language, C, and other high-level languages.

(Tip: For detailed programming guides and tutorials, please refer to the datasheet or Atmel's documentation.)

Application Circuit

The application circuit diagram for the AT89C51-24PI illustrates how to connect the microcontroller to various peripherals and devices. This includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, please refer to the datasheet or Atmel's documentation.)

Complementary

The AT89C51-24PI can be complemented by other Atmel microcontrollers, such as the ATmega128 or ATmega2560, which offer additional features and capabilities for more complex applications.

(Tip: For complementary product information, please refer to Atmel's documentation.)

Frequently Asked Questions

Q: What is the maximum clock speed supported by the AT89C51-24PI?

A: The AT89C51-24PI supports a maximum clock speed of 24 MHz. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the AT89C51-24PI be used in automotive applications?

A: Yes, the AT89C51-24PI is suitable for use in automotive applications where high-performance processing, memory, and I/O capabilities are required.

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	89C	Mounting Style	Through Hole
Package / Case	PDIP-40	Core	8051
Program Memory Size	4 kB	Data Bus Width	8 bit
ADC Resolution	No ADC	Maximum Clock Frequency	24 MHz
Number of I/Os	32 I/O	Data RAM Size	128 B
Supply Voltage - Min	4 V	Supply Voltage - Max	6 V
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature !	+ 85 C
Brand	Microchip Technology	Data ROM Type	Flash
Height	4.83 mm	Length	52.58 mm
Number of Timers/Counters	2 Timer	Product	MCU
Product Type !	8-bit Microcontrollers - MCU	Program Memory Type !	Flash
Factory Pack Quantity	9	Subcategory	Microcontrollers - MCU
Width	13.97 mm	Unit Weight	0.210004 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 AT89C51-24PI PDF Download

FAQs

What is AT89C51-24PI?

The AT89C51-24PI is a high-performance, low-power 8-bit microcontroller designed by Atmel. It is based on the industry-standard 8051 CPU core and is ideal for embedded systems, industrial control, and consumer electronics applications.

How Does AT89C51-24PI Work?

The AT89C51-24PI operates as a microcontroller, executing user-defined programs stored in its flash memory. It features on-chip peripherals such as timers, UART, and I/O ports, allowing for versatile interfacing and control capabilities. The microcontroller is programmed using standard programming tools and languages such as C or assembly.

How Many Pins does AT89C51-24PI have and What are the Functions of the Pinout Configuration?

The AT89C51-24PI is housed in a 40-pin PDIP (Plastic Dual-In-Line Package). The pinout configuration includes:

VCC: Positive power supply pin.
GND: Ground pin.
Port 0 (P0.0 - P0.7): 8-bit bi-directional I/O port with internal pull-ups.
Port 1 (P1.0 - P1.7): 8-bit bi-directional I/O port with internal pull-ups and programmable pins.
Port 2 (P2.0 - P2.7): 8-bit bi-directional I/O port with internal pull-ups, dedicated UART pins, and external interrupt pins.
Port 3 (P3.0 - P3.7): 8-bit bi-directional I/O port with internal pull-ups, UART pins, and pins for external interrupts and timer functions.
RXD, TXD: UART serial communication pins.
T0, T1: External timer/counter input pins.
INT0, INT1: External interrupt pins.
EA, PSEN, ALE/PROG: Special function control pins for programming and external memory interfacing.

What are the Pros and Cons of AT89C51-24PI?

Pros:

Industry Standard Core: Based on the popular 8051 CPU core with a rich ecosystem of development tools and resources.
On-Chip Peripherals: Integrated timers, UART, and I/O ports provide versatile interfacing and control capabilities.
Low Power: Operates with low power consumption, suitable for battery-powered applications.
Flash Memory: In-system programmable flash memory enables easy program updates and revisions.
Robust Design: Reliable operation in harsh industrial environments.

Cons:

Limited Performance: 8-bit architecture may not be suitable for complex computational tasks compared to 16 or 32-bit microcontrollers.
Limited Memory: Restricted program space and data memory compared to higher-end microcontrollers.
Legacy Design: While proven, the 8051 core may lack some of the advanced features found in modern microcontrollers.

Are There Any Equivalents/Alternatives to AT89C51-24PI for Recommendation?

The ATmega8 from Atmel is a comparable 8-bit microcontroller with enhanced features and peripherals.
Alternatives to the AT89C51-24PI include the PIC16F877A from Microchip and the MSP430 series from Texas Instruments.