Microchip Technology

AT89C55WD-24JU  

Microcontrollers

The AT89C55WD-24JU is a microcontroller unit (MCU) manufactured by Microchip Technology. It is a member of the AT89C55 series of 8-bit microcontrollers, which are based on the Intel 8051 microcontroller architecture.

Description:

The AT89C55WD-24JU is a high-performance, low-power, 8-bit microcontroller with a wide operating voltage range and a variety of integrated peripherals. It features 8KB of in-system programmable Flash memory, 256 bytes of RAM, and 128 bytes of EEPROM. The device operates with a single +2.7V to +6.0V power supply and has a wide operating temperature range of -40°C to +85°C.

Features:

1. 8-bit CPU based on the Intel 8051 architecture
2. 8KB in-system programmable Flash memory
3. 256 bytes of RAM
4. 128 bytes of EEPROM
5. 22 I/O lines with 40 mA sink/source capability
6. Two 16-bit timer/counters with 8-bit auto-reload and/
7. One serial communication interface (UART)
8. One I2C bus interface
9. One SPI bus interface
10. 8-channel, 10-bit ADC with 8-channel multiplexer
11. On-chip voltage regulator with low dropout voltage
12. Watchdog timer with separate oscillator
13. Two data pointers (DPTR) and four data banks
14. Two program banks with 4KB each
15. Brown-out detection and reset
16. Active low reset pin
17. Active low enable/disable power management
18. Active low enable/disable serial programming
19. Active low enable/disable low-power mode

Applications:

The AT89C55WD-24JU is suitable for a wide range of applications, including but not limited to:

1. Industrial control and automation
2. Home automation and smart home systems
3. Medical equipment and devices
4. Telecommunication systems and devices
5. Automotive control systems
6. Consumer electronics
7. Security systems and devices
8. Handheld devices and portable equipment
9. Data acquisition and signal processing systems
10. Battery-powered devices with low-power requirements

The AT89C55WD-24JU's combination of features, such as in-system programmable Flash memory, low-power operation, and a wide operating voltage range, make it a versatile and reliable choice for various embedded systems and applications.

AT89C55WD-24JU Documents

Download datasheets and manufacturer documentation for AT89C55WD-24JU

PCN Assembly/Origin :

Mult Devices Assembly 04/Apr/2018      

Datasheets :

AT89C55WD      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

AT89C55WD Development Tool Selector      

HTML Datasheet :

AT89C55WD      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH