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Automotive MCU slims down body electronics

Posted: 04 Aug 2008 ?? ?Print Version ?Bookmark and Share

Keywords:automotive MCU? body electronics? communication networks?

Silicon Laboratories Inc. is touting its latest product as the industry's smallest automotive communications MCU.

According to Silicon Labs, the C8051F50x family of mixed-signal MCUs is the first to integrate an internal precision oscillator to support both CAN and LIN communication networks without an external crystal or resonator.

Applications include window lifters, seat positioning and steering angle sensing.

The C8051F50x devices integrate a 50MIPS core, up to 64Kbytes of high-endurance flash, 4Kbyte of RAM, 32-message buffer CAN 2.0B hardware controller and a hardware LIN 2.0 controller in a 5mm x 5mm package, providing customers with the memory and computational resources for real-time applications requiring CAN and LIN software stacks. It also integrates a 12bit, 200KSps, 32-channel ADC that the company says has the highest SNR than any other integrated MCU device in this space, offering higher precision and accuracy when simultaneous analog and digital processing is required. Analog performance is further enhanced through a precision voltage reference.

The 50MHz instruction clock provides up to 5x better 8bit CPU throughput than the competition, offering 16bit class performance at a lower system cost, the company said. The internal precision oscillator provides an accuracy of 0.5 percent across the entire temperature (-40C to 125C) and voltage (1.8-5.25V) range. All members of the C8051F50x family are available now in 32-pin and 48-pin QFN and QFP packages.

Pricing begins at $1.87 in 10,000-piece quantities. The full C8051F500DK development kit is $99.

Devices are available now.

- Ismini Scouras

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