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AT89C55WD-24JU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AT89C55WD-24JUMICROCHIP1080Yes

AT89C55WD-24JU** is a microcontroller manufactured by **Microchip Technology** (formerly Atmel).

The AT89C55WD-24JU is a microcontroller manufactured by Microchip Technology (formerly Atmel). Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: Microchip Technology
  • Core: 8051
  • Operating Frequency: 24 MHz
  • Program Memory Size: 20 KB (Flash)
  • RAM Size: 256 Bytes
  • Data EEPROM: 2 KB
  • I/O Pins: 32
  • Timers: 3 (Timer 0, Timer 1, Timer 2)
  • UART: 1
  • Interrupt Sources: 6
  • Operating Voltage: 4.0V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Package: PLCC-44

Descriptions:

The AT89C55WD-24JU is a high-performance CMOS 8-bit microcontroller with 20 KB of Flash memory, 256 bytes of RAM, and 2 KB of EEPROM. It is based on the 8051 architecture and operates at a maximum frequency of 24 MHz. It features 32 programmable I/O lines, three timers/counters, a UART, and six interrupt sources. The device is designed for embedded applications requiring low power consumption and high-speed processing.

Features:

  • 8051-Compatible Core
  • 20 KB In-System Programmable Flash Memory
  • 2 KB EEPROM for Data Storage
  • 256 Bytes of On-Chip RAM
  • 32 Programmable I/O Lines
  • Three 16-Bit Timers/Counters
  • Full-Duplex UART Serial Port
  • Six Interrupt Sources
  • Watchdog Timer (WDT)
  • Power-Saving Idle and Power-Down Modes
  • 4.0V to 5.5V Operating Range
  • PLCC-44 Package

This microcontroller is widely used in industrial control, consumer electronics, and embedded systems due to its high reliability and low-power operation.

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