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AT89S52-24JU

Name: AT89S52-24JU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 44PLCC

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資料表 AT89S52-24JU DataSheet
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規格

Series	89S
Part Status	Active
Base Product Number	AT89S52
DigiKey Programmable	Verified
Core Processor	8051
Core Size	8-Bit
Speed	24MHz
Connectivity	UART/USART
Peripherals	WDT
Number of I/O	32
Program Memory Size	8KB (8K x 8)
Program Memory Type	FLASH
RAM Size	256 x 8
Voltage - Supply (Vcc/Vdd)	4V ~ 5.5V
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	44-PLCC (16.6x16.6)
Package	44-LCC (J-Lead)
Packaging	Tube

概述

Description

The AT89S52-24JU is an 8-bit microcontroller from the Atmel (now part of Microchip Technology) 8051 family. It features 8 KB of programmable Flash memory, 256 bytes of RAM, and 32 I/O lines, making it suitable for a variety of embedded applications. The microcontroller operates at a maximum frequency of 24 MHz, with a 12-clock cycle instruction execution, allowing for efficient processing.
Key features include a full-duplex UART for serial communication, timers/counters, and an interrupt system, which facilitate complex control tasks. The AT89S52 also supports in-system programming (ISP) and is compatible with the standard 8051 instruction set, enabling easy integration into existing designs.
Applications include automotive systems, industrial automation, and consumer electronics. Its versatility, combined with a robust set of features, makes the AT89S52 an excellent choice for developers looking to implement embedded solutions.

Features

The AT89S52-24JU is an 8-bit microcontroller from the Atmel (now part of Microchip) 8051 family. Key features include:
- Memory: 8 KB of Flash memory for program storage, 256 bytes of RAM, and 32 I/O lines.
- Clock Speed: Operates at a maximum frequency of 24 MHz.
- Peripherals: Integrated timers/counters (two 16-bit), a full-duplex UART for serial communication, and an interrupt system with five interrupt sources.
- Programmable: Supports in-system programming (ISP) for easy updates and modifications.
- Power Supply: Operates on a voltage range of 4V to 6V.
- Low Power Consumption: Features various power-saving modes.
- Compatibility: Compatible with standard 8051 instruction set, allowing easy migration from other 8051-based platforms.
Overall, the AT89S52-24JU is suitable for applications in embedded systems, automation, and control projects.

Package

The AT89S52-24JU is packaged in a 40-pin Dual In-Line Package (DIP). This package type features a standard pin configuration, making it suitable for breadboarding and prototyping in various electronic applications.

Pinout

The AT89S52-24JU is an 8-bit microcontroller from the Atmel 8051 family. It has a total of 40 pins. The pin functions include:
- Port 0 (P0.0 to P0.7): Open-drain I/O port, serves as both data and address bus during external memory access.
- Port 1 (P1.0 to P1.7): Standard I/O port, used for general-purpose input/output.
- Port 2 (P2.0 to P2.7): I/O port, also outputs high-order address byte during external memory access.
- Port 3 (P3.0 to P3.7): I/O port with special functions including interrupts, serial communication, and timer control.
- Reset Pin (RST): Active-high reset input.
- Clock Input (XTAL1, XTAL2): Crystal oscillator pins for clock generation.
- Power Supply Pins (VCC, GND): Supply voltage and ground connections.
- External Memory Access Pins (ALE, PSEN): Used for accessing external memory.
This microcontroller is widely used in embedded system applications due to its versatility and ease of use.

Manufacturer

The AT89S52-24JU is manufactured by Atmel, now a part of Microchip Technology Inc. Atmel was known for its semiconductor products, particularly microcontrollers, and was a key player in the embedded systems market. After its acquisition by Microchip Technology in 2016, Atmel's product line, including the AT89 series of microcontrollers, continued to be supported and developed under the Microchip brand.
Microchip Technology Inc. is a leading global provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company focuses on developing microcontrollers and other integrated circuits (ICs) for various applications, including automotive, consumer electronics, industrial automation, and more. Microchip is recognized for its commitment to innovation, quality, and customer support in the semiconductor industry.

Application

The AT89S52-24JU is an 8-bit microcontroller widely used in embedded systems for applications such as industrial automation, consumer electronics, automotive controls, data acquisition systems, and home appliances. Its features, including onboard flash memory, I/O ports, and timers, make it suitable for tasks like motor control, sensor interfacing, and communication protocols. Additionally, it is often employed in educational projects and prototyping due to its ease of use and programming flexibility.

Equivalent

Equivalent products to the AT89S52-24JU microcontroller include the AT89C52, AT89S51, and other members of the 8051 family like the P89V51RD2, NXP P89V51RD2, and the Silicon Labs C8051F series. These alternatives share similar architectures and features, but verify specific requirements like memory size, speed, and peripherals for compatibility.