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Microchip's CAN MCUs boast more on-chip flash

Posted: 04 Aug 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Microchip? PIC18F4685? Controller Area Network? microcontrollers?

Microchip Technology Inc.'s new four-member PIC18F4685 family of low-power 8bit Controller Area Network (CAN) microcontrollers boasts 80- or 96Kbytes of flash and integrated EEPROM memory to accommodate the growing complexity of CAN applications.

This is the largest amount of program memory available on any PIC18 microcontroller with an onboard ECAN module for CAN connectivity, according to Microchip. Additionally, automotive and industrial designers can benefit from the small 28- and 44-pin package sizes of this family for space-constrained applications.

Industry-standard CAN protocols are growing in size, often leaving little code space for the application program. The PIC18F4685 offers enough code space for both the CAN protocol and advanced applications. And, each microcontroller in this family features Microchip's ECAN module, an easy-to-use scalable CAN 2.0B solution with the ability to switch between standard CAN operations and FIFO mode.

"Low-power CAN applications are becoming increasingly complex, requiring much larger code space for advanced features," said Mitch Obolsky, VP of Microchip's Advanced Microcontroller Architecture Division. "The PIC18F4685 family accommodates these requirements by offering customers a migration path from Microchip's low-power 32- and 64Kbyte CAN families to 80- and 96Kbyte Flash memory."

A broad range of applications can take advantage of the reliable, highly noise-immune CAN protocol via the PIC18F4685 family, including automotive (suspension, steering, airbags, climate control, collision avoidance/backup warning systems, infotainment, wireless receiver modules) and industrial (remote sensors and actuators).

All four Flash microcontrollers are supported by Microchip's development tools, including the MPLAB integrated development environment (IDE) and MPLAB ICD2 In-Circuit Debugger. The PICDEM CAN-LIN 2 Demonstration Board (part# DM163011) shows the functionality of the integrated CAN module features on these devices, and is available now for $199.

The PIC18F4685/4682/2685/2682 microcontrollers are available for general sampling and volume-production through the company's website.

The PIC18F4685/4682 come in 44-pin TQFP and 40-pin PDIP packages, and the PIC18F2685/2682 are available in 28-pin SOIC and PDIP packages, all of which are RoHS-compliant. Prices start at $5.26 each in 10,000 unit quantities.

- Marty Gold

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