Microchip AT89C51CC03CA-RDTUM: An 8-Bit Powerhouse with Integrated CAN and Flash

The Microchip AT89C51CC03CA-RDTUM stands as a robust and highly integrated 8-bit microcontroller, engineered to address the complex demands of modern embedded systems, particularly in industrial control and automotive networking. This device combines the proven performance of the 8051 core with advanced connectivity and memory features, making it a compelling solution for a wide array of applications.

At the heart of this microcontroller is a high-performance 8051 core operating at speeds up to 40 MHz. This core provides a familiar and efficient architecture for developers, ensuring a shortened learning curve and a vast ecosystem of development tools and code resources. Despite being an 8-bit architecture, its performance is significantly enhanced with a redesigned processor kernel that executes instructions in fewer clock cycles, delivering substantial throughput for control-intensive tasks.

A defining feature of the AT89C51CC03CA is its integrated CAN 2.0B controller. The Controller Area Network (CAN) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer. This on-chip CAN module supports both 11-bit and 29-bit identifiers and is capable of handling data rates up to 1 Mbit/s. This integration is crucial for developing applications in automotive electronics (e.g., body control modules, sensor nodes) and industrial automation (e.g., networked sensors, motor controllers), eliminating the need for an external CAN controller and thereby reducing system complexity and cost.

Memory resources are another strong suit of this microcontroller. It is equipped with 64 KB of on-chip Flash program memory, which is both in-system programmable (ISP) and in-application programmable (IAP). This allows for flexible firmware updates in the field without removing the microcontroller from the circuit board. Additionally, it boasts 2048 bytes of data EEPROM for storing critical parameters that must be retained even after a power cycle, and 2560 bytes of internal RAM for efficient data handling during operation.

The peripheral set is comprehensive, designed to minimize external component count. It includes:

A 10-bit Analog-to-Digital Converter (ADC) with 8 input channels.

Two 16-bit timers/counters plus an additional 16-bit timer dedicated to the CAN bus.

A Programmable Counter Array (PCA) with PWM and capture/compare modes.

A full-duplex UART for serial communication.

A 2-wire serial interface (I2C compatible) for connecting to peripherals.

Housed in a compact RDTUM package, this microcontroller is designed for space-constrained applications while offering a rich set of I/O pins to interface with the external world. Its operating voltage range of 2.7V to 5.5V further enhances its suitability for a variety of power environments.

ICGOODFIND: The Microchip AT89C51CC03CA-RDTUM is a highly integrated, feature-rich 8-bit MCU that excels in networked applications. Its standout combination of a mature 8051 core, substantial on-chip Flash and EEPROM memory, and a critical integrated CAN controller makes it an exceptionally strong candidate for developers in the automotive and industrial sectors seeking a reliable, all-in-one connectivity solution.

Keywords: 8-Bit Microcontroller, CAN Controller, Flash Memory, 8051 Core, Automotive Networking.