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AT89C55WD-24PU

Name: AT89C55WD-24PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 20KB FLASH 40DIP

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Mfr。パート #AT89C55WD-24PU
パッケージ PDIP-40
データシート
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仕様

Package	Tube
Series	89C
ProductStatus	Active
CoreProcessor	8051
CoreSize	8-Bit
Speed	24MHz
Connectivity	UART/USART
Peripherals	WDT
NumberofI/O	32
ProgramMemorySize	20KB (20K x 8)
ProgramMemoryType	FLASH
RAMSize	256 x 8
Voltage-Supply(Vcc/Vdd)	4.5V ~ 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 AT89C55WD-24PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) belonging to the 8051 family. It features 40 pins and is designed for embedded applications. Key specifications include 8KB of flash memory for program storage, 256 bytes of RAM, and 32 input/output (I/O) lines, which can be configured for various functions.
The microcontroller supports the use of external memory and offers multiple modes of operation, including a high-speed operation at a clock frequency of up to 24 MHz. It also includes a built-in timer/counter, serial communication capabilities, and an interrupt system, making it suitable for a wide range of applications, such as industrial control, automotive systems, and consumer electronics.
The AT89C55WD-24PU is programmable via standard ISP (In-System Programming) methods, allowing developers to easily update firmware. Its compatibility with existing 8051 software makes it a versatile choice for projects requiring reliable and efficient processing capabilities.

Features

The AT89C55WD-24PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) designed for embedded applications. Key features include:
1. Memory: 32 KB of Flash memory for program storage, 2 KB of RAM, and 256 bytes of EEPROM.
2. I/O Ports: 8-bit I/O ports, with 5 parallel I/O ports available, allowing extensive interfacing.
3. Timers: Two 16-bit timer/counters for timing operations and event counting.
4. Serial Communication: Full-duplex UART for asynchronous serial communication.
5. Interrupts: 6 external interrupts for responsive event handling.
6. Clock Speed: Operates up to 24 MHz, enhancing processing speed.
7. Compatibility: Compatible with the 8051 instruction set, ensuring ease of integration with existing systems.
8. Low Power Modes: Features multiple power-saving modes for energy-efficient operation.
This microcontroller is suitable for various applications including automation, control systems, and consumer electronics.

Package

The AT89C55WD-24PU is packaged in a 40-pin dual in-line package (DIP).

Pinout

The AT89C55WD-24PU is a microcontroller from Atmel's 8051 family, featuring a 40-pin dual in-line package (DIP).
Pin Count: 40 pins
Key Functions:
1. Microcontroller Core: 8-bit architecture with 8KB of Flash memory for program storage.
2. I/O Ports: Four parallel I/O ports (P0, P1, P2, P3) for general-purpose input and output.
3. Timer/Counters: Two 16-bit timer/counters (Timer 0 and Timer 1).
4. Serial Communication: Full duplex UART for serial data transmission.
5. External Memory Interface: Capable of interfacing with external memory (RAM and ROM).
6. Interrupts: Supports five external interrupts for handling events.
7. Oscillator: External crystal oscillator connection for timing.
This microcontroller is suitable for various embedded applications due to its flexibility and programmability.

Manufacturer

The AT89C55WD-24PU is manufactured by Microchip Technology Inc. Microchip is a leading global provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, the company specializes in designing and manufacturing embedded control solutions for a wide range of applications. Microchip serves diverse markets, including automotive, industrial, consumer, and telecommunications. The AT89C55WD-24PU is an 8-bit microcontroller based on the 8051 architecture, widely used in various electronic projects and products for its ease of use and reliability.

Application

The AT89C55WD-24PU is an 8-bit microcontroller suitable for various applications, including embedded systems, industrial control, automation, data acquisition, and consumer electronics. Its features make it ideal for motor control, sensor interfacing, and communication systems. It can also be used in robotics, smart home devices, and educational projects due to its programmability and ease of integration with other components.

Equivalent

The AT89C55WD-24PU is an 8-bit microcontroller from the Atmel 8051 family. Equivalent products include:
1. AT89C52 - Similar architecture with slightly different features.
2. AT89C51 - A more basic version with less memory.
3. P89V51RD2 - An enhanced version with advanced features.
4. C8051F020 - A high-performance variant from Silicon Labs.
Always verify specific requirements like memory, I/O pins, and peripherals before substitution.