Atmel Releases Automotive-qualified 32-bit AVR MCU Family for Motor Control Applications

15 APRIL 2011

Atmel® Corporation announced the release of the Atmel UC3C AT32UC3C0512C AVR® microcontroller with 512KB of embedded flash memory. As a committed supplier to the automotive industry, Atmel continues to bring new automotive-qualified microcontroller (MCU) solutions to market. This device is the first member of a 32-bit AVR MCU family dedicated to motor control applications such as HVAC, power window, power doors and power seats, featuring PWM controller and analog functions on-chip for direct motor control, as well as automotive interface on-chip (CAN, LIN) for in-car communication. The new Atmel AVR UC3C family will also be available as true 5V devices up to 125 degree C. Atmel UC3C automotive-qualified MCUs offer all the necessary features required for even the toughest motor control applications. For instance, in sensorless brushless DC motors (BLDCs), the UC3C family efficiently controls the motor by incorporating a fast 4-channel PWM controller with a 20-bit precision, dead-time generation and fault protection, a 16-channel, 12-bit pipelined analog-to-digital converter (ADC), a 4-channel 12-bit digital-to-analog converter (DAC), an embedded temperature sensor as well as four analog comparators for back-electromagnetic force sensing. Other features of the new UC3C family include an independent peripheral event system coupled with DMA channels to allow inter-peripheral communication without CPU intervention and to eliminate potential jitter.

Atmel Corporation
www.atmel.com

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