DSP, Micros & Memory


Ultra-low voltage MCUs

2 April 2008 DSP, Micros & Memory

Silicon Laboratories has announced what it claims are the industry’s first MCUs capable of operating down to 0,9 V, enabling portable devices to derive power from a single-cell battery for the first time. The C8051F9xx family employs a novel 8-bit architecture with an integrated high-efficiency DC-DC boost converter, which can supply up to 65 mW of power for both internal MCU use and to drive other components. The device delivers a typical sleep-mode current of less than 50 nA. The MCU can wake up from its low-power sleep mode with the CPU operating at 25 MIPS and ready to make an analog-to-digital conversion within just two microseconds. The MCU integrates 64 KB of Flash and 4 KB of RAM in its 4 x 4 mm package, as well as a 10-bit, 300-KSps analog-to-digital converter with an internal fast wake-up voltage reference, a SmaRTClock timing module and multiple internal oscillator options to provide a true system-on-chip solution.



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