The smallest automotive communications controller

25 AUGUST 2008

Silicon Laboratories Inc. announced the industry’s smallest automotive communications controller. The C8051F50x family of mixed-signal MCUs is the first to integrate an ultra high-performance internal precision oscillator to support both CAN and LIN communication networks without an external crystal or resonator. Silicon Labs’ highly-integrated, mixed-signal MCUs are ideal for applications where end-product size is critical such as window lifters, seat positioning and steering angle sensing. The C8051F50x family provides the highest functional density for automotive applications by integrating a 50MIPS core, up to 64kB of high-endurance Flash, four kB of RAM, 32-message buffer CAN 2.0B hardware controller and a hardware LIN 2.0 controller in a 5x5mm2 package, providing customers with the memory and computational resources for real-time applications requiring CAN and LIN software stacks. The 50-MHz instruction clock provides up to five times better 8-bit CPU throughput than the competition, offering 16-bit class performance at a lower system cost. The internal precision oscillator provides an accuracy of ±0.5 percent across the entire temperature (-40 to +125OC) and voltage (1.8 to 5.25V) range, insuring the four-corner operation that Silicon Labs’ customers have come to expect.
By integrating world-class analog on-chip, Silicon Labs provides a number of advantages. The integrated 12-bit, 200ksps, 32-channel analog to digital converter (ADC) has the highest signal-to-noise ratio (SNR) than any other integrated MCU device in this space, offering higher precision and accuracy when simultaneous analog and digital processing is required.

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