8bit PIC18 MCUs with CAN FD

November 18, 2020 // By Nick Flaherty
Microchip adds CAN FD to PIC18 8bit microcontrollers
The PIC18 Q84 is the first integrated CAN FD 8bit microcontroller from Microchip for industrial automotive and connected car designs

Microchip Technology has launched its first PIC18 8bit microcontroller (MCU) family with a Controller Area Network Flexible Data-Rate (CAN FD) bus.

The PIC18 Q84 family of CAN FD controllers includes a range of Core Independent Peripherals (CIPs) that handle a variety of tasks without requiring CPU intervention. The integration cuts both the time and cost when connecting systems to a CAN FD network by avoiding the need for a gateway.

The chip is aimed at applications from automotive to industrial automation, transporting sensor data to a CAN FD bus without the need for gateways or sophisticated network switching techniques. In addition, its configurable CIPs make it easy to create custom hardware-based functions for automotive and industrial designs with near-zero latency. Additional code is not required. Available peripherals include a 32-bit Cyclic Redundancy Check with Scan (CRC/SCAN) and a Windowed Watchdog Timer (WWDT) for functional safety capabilities, and a Joint Test Action Group (JTAG) interface to implement industry-standard testing and debugging.

“CAN FD will continue to play a critical role in delivering faster data transfer rates for applications, ranging from the connected car to industrial automation and smart homes,” said Greg Robinson, associate vice president of marketing for Microchip’s 8-bit microcontroller business unit. “Microchip is furthering the adoption of this protocol with our latest 8-bit PIC® MCU family, helping designers create cost-effective network nodes at scale.”

The PIC18 Q84 family offers both hardware and software support. Hardware includes a Curiosity Nano Development Board and a Curiosity High Pin Count (HPC) Development Board. A plug-in module (PIM) is also available for the Automotive Networking Development Board and for use with Microchip development boards. Software includes Microchip’s MPLAB Code Configurator (MCC).

Microchip also provides a family of discrete CAN FD transceivers and CAN FD controllers. 

The PIC18 Q84 family is available in volume production starting at $0.78 in 10,000-unit quantities.


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