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.
The 8-bit survival syndrome – Part 2
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Just like the 4-bit pre-microcontroller, the 8-bit MCU has been finding ways to stick around. Their features and speeds have been improving, offering competitive reasons to work with them.
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The chips are designed to provide a lower-cost alternative to traditional parallel SRAM products, and include optional battery backup switchover circuitry in the SRAM memory to retain data on power loss.
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DSP, Micros & Memory
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Read more...Qi2 dsPIC33-based reference design
DSP, Micros & Memory
Powered by a single dsPIC33 Digital Signal Controller, the Qi2 reference design offers efficient control for optimised performance.
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