DSP, Micros & Memory


Small MCUs have integrated ‘smart’ clock

6 April 2006 DSP, Micros & Memory

Silicon Laboratories' C8051F41x product family is a highly integrated 8-bit MCU in a 5 x 5 mm package. The C8051F41x MCU has 32 KB or 16 KB of Flash and a 50 MIPS CPU while the peripheral set includes a 12-bit, 24 channel ADC, two 12-bit DACs, a 2% accurate on-chip oscillator and an on-chip voltage regulator. This is Silicon Labs' first MCU to operate from 2,0 to 5,25 V. An important feature of this family is the embedded hardware realtime clock (smaRTClock) with system failsafe features. The smaRTClock operates down to 1 V through a battery back-up. This is significant in the event there is a power supply failure; where the MCU automatically switches to battery back-up for uninterrupted operation. These highly-integrated devices are optimised for space-constrained, low-power, low-cost applications in consumer, industrial, communications and automotive markets. Development is said to be quick and easy due to professional development tools and in-system debug. High integration, small size, high CPU throughput and superior analog peripherals make this family well-suited for a wide range of applications.



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