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AT89S51-24PU

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

IC MCU 8BIT 4KB FLASH 40DIP

メーカー
Mfr。パート #AT89S51-24PU
パッケージ PDIP-40
データシート AT89S51-24PU DataSheet
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仕様

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	Through Hole
Package/Case	40-DIP (0.600, 15.24mm)

概要

Description

The AT89S51-24PU is an 8-bit microcontroller from Atmel, part of the 8051 family. It features 4 KB of flash memory, 128 bytes of RAM, and supports up to 32 I/O pins. The microcontroller operates at a clock frequency of up to 24 MHz, making it suitable for various embedded applications.
Key features include a built-in UART for serial communication, two 16-bit timers, and a 5V operating voltage. It supports both external and internal interrupt sources, enhancing its capability for real-time processing. The AT89S51-24PU is widely used in applications such as industrial automation, robotics, and consumer electronics due to its ease of programming and reliability.
The device is programmable using standard tools, and the flexibility of its architecture allows for various interfacing options with sensors and actuators, making it ideal for prototyping and educational purposes. Overall, the AT89S51-24PU is a robust choice for developers looking for a versatile microcontroller in their projects.

Features

The AT89S51-24PU is an 8-bit microcontroller from Atmel, based on the 8051 architecture. Key features include:
1. Memory: 4 KB of Flash memory for program storage, 128 bytes of RAM, and 256 bytes of EEPROM.
2. I/O Ports: Four parallel I/O ports (P0, P1, P2, P3) with a total of 32 I/O pins.
3. Clock Speed: Operates up to 24 MHz, allowing for faster processing.
4. Timers/Counters: Two 16-bit timers/counters for timing and counting applications.
5. Interrupts: Five interrupt sources with two external interrupts.
6. Serial Communication: Full-duplex UART for serial communication.
7. Low Power Modes: Supports idle and power-down modes for energy efficiency.
8. Programming: Supports in-system programming (ISP) and can be programmed using a standard parallel programmer.
9. Compatibility: Fully compatible with the MCS-51 instruction set.
These features make the AT89S51-24PU suitable for various embedded applications, including consumer electronics, automotive, and industrial control systems.

Package

The AT89S51-24PU is packaged in a 40-pin DIP (Dual In-line Package) format. This type of package features two parallel rows of pins, allowing for easy insertion into a socket or PCB.

Pinout

The AT89S51-24PU is an 8-bit microcontroller from the 8051 family. It features a total of 40 pins.
Key pin functions include:
1. Port 0 (P0.0 - P0.7): Open-drain bidirectional I/O port used for external memory interfacing.
2. Port 1 (P1.0 - P1.7): Bidirectional I/O port for general-purpose digital I/O.
3. Port 2 (P2.0 - P2.7): Bidirectional I/O port, also used for interfacing external memory.
4. Port 3 (P3.0 - P3.7): Bidirectional port with additional functions like external interrupts, timers, and serial communication.
5. Reset (RST): Used to reset the microcontroller.
6. Oscillator Pins (XTAL1, XTAL2): Connects to an external crystal oscillator for clock generation.
7. Program Memory (EA/VPP): Allows external program memory connection.
8. Interrupts (INT0, INT1): External interrupts for handling events.
9. Timer Pins (T0, T1): Used for timer operations.
Overall, the AT89S51-24PU is versatile for embedded applications, with a range of I/O and control functionalities.

Manufacturer

The AT89S51-24PU is manufactured by Microchip Technology Inc., a prominent semiconductor company. Microchip specializes in microcontrollers, analog semiconductors, and memory products. Founded in 1989, the company is known for its development and production of embedded control solutions, serving a wide range of industries including automotive, industrial, consumer electronics, and communications. Microchip is recognized for its commitment to innovation and providing comprehensive support for engineers and developers, facilitating the design and implementation of microcontroller applications.

Application

The AT89S51-24PU is an 8-bit microcontroller widely used in embedded systems for applications such as industrial automation, home appliances, automotive control systems, and consumer electronics. Its features make it suitable for tasks like data acquisition, control systems, LED display management, and simple robotics. Additionally, it is often utilized in educational projects and prototyping due to its ease of use and programming flexibility.

Equivalent

The AT89S51-24PU is an 8-bit microcontroller based on the 8051 architecture. Equivalent products include:
1. AT89C51
2. AT89S52
3. P89V51RD2
4. SI8051
5. C8051F020
These alternatives may offer similar features such as memory size, I/O ports, and instruction sets but vary in specifications like speed and peripheral support. Always check datasheets for specific requirements.