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AT89S52-24AU

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

IC MCU 8BIT 8KB FLASH 44TQFP

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製造商。部分 #AT89S52-24AU
包 TQFP-44
資料表 AT89S52-24AU DataSheet
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規格

Package	Tray
Series	89S
ProductStatus	Active
CoreProcessor	8051
CoreSize	8-Bit
Speed	24MHz
Connectivity	UART/USART
Peripherals	WDT
NumberofI/O	32
ProgramMemorySize	8KB (8K x 8)
ProgramMemoryType	FLASH
RAMSize	256 x 8
Voltage-Supply(Vcc/Vdd)	4V ~ 5.5V
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	44-TQFP

概述

Description

The AT89S52-24AU is an 8-bit microcontroller from the 8051 family, manufactured by Atmel (now part of Microchip Technology). It features 8KB of program memory (flash), 256 bytes of data memory (RAM), and 32 I/O pins, making it suitable for various embedded applications. It operates at a clock frequency of up to 24 MHz and includes features like a 16-bit timer, serial communication (UART), and a robust interrupt system.
The microcontroller supports in-system programming (ISP), allowing modifications to the program memory without removing the chip from the circuit. Its architecture includes built-in oscillator and clock circuitry, ensuring easy integration into projects. The AT89S52 is ideal for applications requiring real-time control and flexibility, such as robotics, home automation, and industrial control systems. Overall, the AT89S52-24AU is a versatile choice for developers looking to implement cost-effective solutions in embedded systems.

Features

The AT89S52-24AU is an 8-bit microcontroller from Atmel's 8051 family. Key features include:
1. Memory: 8 KB of Flash memory for program storage, 256 bytes of RAM, and 32 bytes of EEPROM.
2. Speed: Operates at a maximum clock frequency of 24 MHz.
3. I/O Ports: 32 I/O pins divided into four 8-bit ports, which can be configured for various functions.
4. Timers/Counters: Two 16-bit timers/counters for timing operations.
5. Interrupts: Supports five interrupt sources with two external interrupts.
6. Serial Communication: Integrated UART for asynchronous serial communication.
7. Power Supply: Operates on a voltage range of 4.0V to 5.5V, with low power consumption.
8. Programming: In-system programmable (ISP) and supports a variety of programming methods.
9. Operating Temperature: Suitable for industrial applications with a temperature range of -40°C to 85°C.
This microcontroller is widely used in embedded systems for applications requiring reliable control and communication.

Package

The AT89S52-24AU is typically available in a 40-pin Dual In-line Package (DIP) or a 44-pin Thin Quad Flat Package (TQFP). The "AU" designation indicates an enhanced version with specific features, often found in surface mount configurations.

Pinout

The AT89S52-24AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with a total of 40 pins.
Pin Functions Overview:
- Port 0 (P0.0 - P0.7): Open-drain I/O port for general use and multiplexed address/data bus.
- Port 1 (P1.0 - P1.7): Standard I/O port.
- Port 2 (P2.0 - P2.7): Standard I/O port and higher-order address bus (A8–A15).
- Port 3 (P3.0 - P3.7): I/O port with alternate functions, including interrupts and serial communication (RXD/TXD).
- RST: Reset input.
- VCC: Supply voltage.
- GND: Ground.
- ALE: Address Latch Enable.
- PSEN: Program Store Enable.
- EA/VPP: External Access Enable and programming voltage input for flash memory.
The AT89S52 supports in-system programming and features 8 KB of Flash memory, 256 bytes of RAM, and 32 I/O lines, making it suitable for various applications.

Manufacturer

The AT89S52-24AU is manufactured by Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog, and memory products. Microchip specializes in embedded control solutions and is well-known for its extensive range of microcontrollers, including the 8-bit AVR and PIC series. The company serves various industries, including automotive, industrial, consumer, and telecommunications, offering products that cater to a wide range of applications. Microchip is recognized for its focus on innovation, quality, and customer support, making it a prominent player in the semiconductor industry.

Application

The AT89S52-24AU is an 8-bit microcontroller used in various applications, including embedded systems, industrial automation, consumer electronics, and home appliances. Its features make it suitable for projects involving motor control, data acquisition, sensor interfacing, and communication interfaces. Additionally, it is commonly utilized in educational settings for teaching microcontroller programming and electronics.

Equivalent

The AT89S52-24AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology). Equivalent products include the AT89C52, AT89S51, and NXP's P89V51RD2. These microcontrollers share similar architectures and features, such as Flash memory, I/O ports, and compatibility with the 8051 instruction set. When selecting an equivalent, ensure compatibility in terms of memory size, pin configuration, and peripheral features.