AT90CAN128-15AZ Microchip Technology IC MCU 8BIT 128KB FLASH 64TQFP


The AT90CAN128-15AZ is an 8-bit microcontroller manufactured by Microchip Technology (formerly Atmel). This MCU is notable for its 128KB of Flash memory and is designed with CAN (Controller Area Network) capabilities. Here is an overview of the key features, specifications, and typical applications of the AT90CAN128-15AZ based on the information provided:


AT90CAN128-15AZ Overview:

  • Manufacturer: Microchip Technology (formerly Atmel)
  • IC Type: Microcontroller Unit (MCU)
  • Architecture: 8-bit AVR
  • Flash Memory: 128KB for program storage
  • Package: 64-pin Thin Quad Flat Pack (TQFP)
  • Operating Voltage: Standard operating voltage range
  • CAN Interface: Integrated Controller Area Network (CAN) interface

Key Features:

  • High Flash Memory: Provides 128KB of Flash memory for program storage.
  • CAN Interface: Integrated CAN controller for communication in automotive and industrial applications.
  • Timer/Counter Units: Multiple timer/counter units for precise timing operations.
  • Analog-to-Digital Converter (ADC): Built-in ADC for analog signal conversion.
  • I/O Ports: Multiple general-purpose I/O pins for interfacing with external devices.
  • Communication Interfaces: Supports UART, SPI, and other communication protocols.
  • Interrupt System: Efficient interrupt handling for real-time applications.
  • DataSheet

    AT90CAN128-15AZ PDF


  • Operating Voltage Range: Operates within a specific voltage range.
  • Clock Speed: Capable of running at varying clock frequencies for different applications.
  • Package Type: 64-pin TQFP package for surface-mount applications.
  • CAN Protocol Support: Designed to work with the Controller Area Network protocol.
  • On-Chip Debugging: May support on-chip debugging for software development.

Typical Applications:

  • Automotive Electronics: Commonly used in automotive control systems, such as engine management units, car access systems, etc.
  • Industrial Control: Suitable for industrial automation, process control, and monitoring applications.
  • Communications Equipment: Used in various communication devices requiring CAN bus connectivity.
  • Embedded Systems: Well-suited for general-purpose embedded systems applications.


  • The AT90CAN128-15AZ MCU combines the capabilities of an 8-bit AVR microcontroller with a built-in CAN controller, making it ideal for CAN bus applications.
  • Consult the official datasheet, development tools, and software provided by Microchip for effective programming and utilization of the AT90CAN128-15AZ in your projects.

The AT90CAN128-15AZ microcontroller with its 128KB Flash memory, integrated CAN interface, and other versatile features offers a powerful and flexible platform for developing applications in automotive, industrial, and communication sectors that require robust processing capabilities and CAN bus support.