AT89C52-24JI

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AT89C52-24JI

IC MCU 8BIT 8KB FLASH 44PLCC

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規格

Package Tube
Series 89C
ProductStatus Obsolete
CoreProcessor 8051
CoreSize 8-Bit
Speed 24MHz
Connectivity SIO, UART/USART
NumberofI/O 32
ProgramMemorySize 8KB (8K x 8)
ProgramMemoryType FLASH
RAMSize 256 x 8
Voltage-Supply(Vcc/Vdd) 4V ~ 6V
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 44-LCC (J-Lead)

概述

Description

The AT89C52-24JI is an 8-bit microcontroller from the Atmel (now part of Microchip Technology) 8051 family. It features a 40-pin dual in-line package (DIP) and operates at a clock frequency of up to 24 MHz, making it suitable for various embedded applications. The microcontroller includes 8 KB of Flash memory for program storage, 256 bytes of RAM, and 32 I/O pins, which can be configured for various tasks.
Key features include a 16-bit timer/counter, a full duplex UART for serial communication, and four parallel I/O ports. The AT89C52 also supports external memory interfacing, allowing for expanded applications. It is often used in automation, control systems, and educational projects due to its simplicity and ease of programming.
Developers can program the AT89C52 using standard 8051 assembly language or higher-level languages like C. Its compatibility with various development tools enhances its accessibility for hobbyists and professionals alike. The microcontroller is ideal for applications requiring reliable performance and low power consumption.

Features

The AT89C52-24JI is an 8-bit microcontroller from the 8051 family, manufactured by Atmel (now part of Microchip Technology). Key features include:
1. Memory: It has 8 KB of Flash memory for program storage, 256 bytes of RAM, and 32 bytes of on-chip EEPROM.
2. I/O Ports: It includes 32 general-purpose I/O pins, organized into four 8-bit ports (P0 to P3).
3. Clock Speed: Operates at 24 MHz, suitable for various applications.
4. Timers/Counters: Includes two 16-bit timers/counters for timing and event counting.
5. Interrupts: Supports five interrupt sources with two external interrupts.
6. Serial Communication: Provides a full duplex UART for serial data transmission.
7. Operating Voltage: Works within a voltage range of 4.0V to 5.5V.
8. Power Management: Features power-saving modes to reduce power consumption.
The AT89C52-24JI is widely used in embedded systems, automation, and control applications due to its robustness and versatility.

Package

The AT89C52-24JI is available in a dual in-line package (DIP) form factor, specifically a 40-pin DIP. This type of package allows for easy mounting on a printed circuit board (PCB) and is commonly used in various electronic applications.

Pinout

The AT89C52-24JI is an 8-bit microcontroller from the Atmel 8051 family, featuring a 40-pin Dual In-Line Package (DIP).
Pin Count and Functions:
1. VCC (Pin 40): Power supply.
2. GND (Pin 20): Ground.
3. Port 0 (Pins 32-39): Open-drain I/O with weak pull-ups; used for external memory interfacing.
4. Port 1 (Pins 1-8): Standard I/O port with pull-ups.
5. Port 2 (Pins 21-28): Standard I/O port; can also serve as a high-order address byte for external memory.
6. Port 3 (Pins 10-17): Multifunctional: supports serial communication, interrupts, and control signals for external memory.
7. RST (Pin 9): Reset pin.
8. ALE (Pin 29): Address Latch Enable for external memory.
9. EA (Pin 31): External Access pin; determines the use of internal or external memory.
10. XTAL1/XTAL2 (Pins 18-19): Oscillator connections for clock generation.
This configuration supports a wide array of applications, including embedded systems and control tasks.

Manufacturer

The AT89C52-24JI is manufactured by Microchip Technology Inc., a prominent semiconductor company. Founded in 1989, Microchip specializes in microcontroller and microprocessor solutions, offering a wide range of products including analog and interface components, memory products, and development tools. The company is well-known for its PIC microcontroller family and AVR microcontrollers, which are widely used in embedded systems and applications across various industries. Microchip serves diverse sectors, including automotive, industrial, consumer electronics, and telecommunications, providing innovative solutions for design engineers and developers.

Application

The AT89C52-24JI microcontroller is used in various applications, including embedded systems, automation, robotics, industrial control, consumer electronics, and communication devices. Its features, such as 8-bit architecture, programmable memory, and I/O ports, make it suitable for simple tasks like sensor monitoring, data logging, and motor control, as well as more complex applications like home automation and automotive systems.

Equivalent

Equivalent products to the AT89C52-24JI chip include the AT89C51, AT89C52, and other microcontrollers in the 8051 family, such as the P89V51RD2 and the C8051F020. These alternatives share similar architecture and functionality, with variations in memory size, speed, and features. Always check specific datasheets for compatibility.

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