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AT89C4051-24SU

Name: AT89C4051-24SU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 4KB FLASH 20SOIC

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Mfr。パート #AT89C4051-24SU
パッケージ SOIC-20
データシート AT89C4051-24SU DataSheet
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仕様

Package	Bulk
Series	89C
ProductStatus	Active
CoreProcessor	8051
CoreSize	8-Bit
Speed	24MHz
Connectivity	UART/USART
Peripherals	Brown-out Detect/Reset, LED, POR
NumberofI/O	15
ProgramMemorySize	4KB (4K x 8)
ProgramMemoryType	FLASH
RAMSize	128 x 8
Voltage-Supply(Vcc/Vdd)	4V ~ 6V
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	20-SOIC (0.295, 7.50mm Width)

概要

Description

The AT89C4051-24SU is an 8-bit microcontroller from Atmel's 8051 family, designed for embedded applications. It features 4KB of Flash memory for program storage, 128 bytes of RAM, and 32 I/O pins, making it suitable for a variety of control and automation tasks.
Key specifications include a 24-pin DIP package, a clock speed of up to 24 MHz, and built-in capabilities for serial communication. The microcontroller includes a 10-bit ADC, timers, and interrupt handling, enhancing its versatility in real-time applications.
The AT89C4051 is popular in academic and industrial settings for its ease of use, compatibility with existing 8051 software, and ability to be programmed and erased electronically. It supports various programming languages, including Assembly and C, and is ideal for projects requiring simple control logic, sensor interfacing, and data processing.
Overall, the AT89C4051-24SU is a reliable choice for developers looking to implement microcontroller-based solutions efficiently.

Features

The AT89C4051-24SU is an 8-bit microcontroller from Atmel, featuring the following key specifications:
1. Architecture: Based on the 8051 microcontroller architecture.
2. Flash Memory: 4 KB of in-system programmable Flash memory for code storage.
3. RAM: 128 bytes of internal RAM.
4. I/O Ports: 32 programmable I/O lines divided into four ports.
5. Timers: Two 16-bit timers/counters for timing applications.
6. Serial Communication: Full-duplex UART for serial communication.
7. Interrupts: Five interrupt sources with two external interrupts.
8. Operating Voltage: Typically operates at 2.7V to 6V.
9. Clock Speed: Supports a maximum clock frequency of 24 MHz.
10. Package: Available in a 40-pin DIP and other packaging options.
This microcontroller is ideal for a variety of embedded applications, including industrial control systems, home automation, and consumer electronics. It is known for its ease of programming and versatility in handling basic computational tasks.

Package

The AT89C4051-24SU is packaged in a 24-pin Dual In-Line Package (DIP) format.

Pinout

The AT89C4051-24SU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring 24 pins. Its main functions include:
1. Port I/O: 4 parallel I/O ports (P0, P1, P2, and P3) are used for digital input and output.
2. Vcc and GND: Power supply pins for operating the microcontroller.
3. Reset: A reset pin (RST) to initialize the microcontroller.
4. Oscillator: Pins for connecting an external oscillator circuit (XTAL1 and XTAL2).
5. Serial Communication: UART functionality through the TxD (transmit) and RxD (receive) pins on Port 3.
6. External Interrupts: INT0 and INT1 pins for external interrupt capabilities.
7. Program Memory: Supports in-system programming via the ISP pin, allowing firmware updates.
Overall, the AT89C4051-24SU is designed for embedded applications requiring low power consumption and versatility.

Manufacturer

The AT89C4051-24SU is manufactured by Microchip Technology Inc., a prominent American company specializing in microcontroller and semiconductor solutions. Founded in 1989, Microchip designs and manufactures a wide range of microcontrollers, digital signal controllers, and related products. The company serves various markets, including automotive, industrial, consumer, and communication sectors. Microchip is known for its commitment to providing high-quality, cost-effective solutions that facilitate embedded system development and innovation.

Application

The AT89C4051-24SU is an 8-bit microcontroller suitable for a variety of applications, including embedded systems, industrial automation, robotics, and consumer electronics. It is commonly used in motor control, data acquisition, sensor interfacing, and signal processing. Additionally, it serves in educational projects and prototyping due to its simplicity and ease of integration into various designs.

Equivalent

The AT89C4051-24SU is an 8-bit microcontroller from Atmel's 8051 family. Equivalent products include:
1. AT89C4051
2. AT89S51
3. AT89S52
4. P89V51RD2 (NXP)
5. SiLabs C8051F series
These alternatives may have different features or specifications, so it's essential to verify compatibility for specific applications.