Ambiq Micro’s MCU takes EEMBC ULPBench’s best score
The benchmark, created to assist embedded designers in selecting the lowest power MCU, standardizes a typical low power design workload and measures the actual energy required to complete that workload. This approach normalizes the many different behaviors of MCU operation such as active current, sleep current, wake-up time, core efficiency, and cache efficiency. It then synthesizes this data into a single value developers truly care about – the amount of energy required to complete their specific application.
Ambiq’s patented Subthreshold Power Optimized Technology (SPOT) platform enables the Apollo MCU to achieve its best-in-class power consumption in both active-mode and sleep-mode. The 32-bit microcontroller based on an ARM Cortex-M4 consumes a meagre 34µA/MHz executing instructions from Flash, with sleep-mode currents as low as 140nA. It runs at up to 24MHz and integrates ultra-low power memory, up to 512kB Flash and 64kB RAM.
The Apollo MCU is at the heart of the Misfit Shine2 wearable fitness and sleep monitor for which energy consumption was a key design-win criterion.
Visit Ambiq Micro at www.ambiqmicro.com
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Subthreshold design at MCU-scale yields 10x energy efficiency
ARM MCU built in sub-threshold technology for 10-fold power reduction
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