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Aggressive use of low power modes in embedded systems using emerging non-volatile or low power compute state retainable devices can greatly reduce its power consumption of idle-state[1]. However, in general, non-volatile devices require comparatively large power to switch between the stable states. Therefore, to realize extremely low power mobile platforms with powerful multimedia application processor...
On wearable devices where an MCU primarily remains in an idle state, keeping the MCU in a deep sleep mode during idle periods can lead to significant power reduction. Since the deep sleep mode has a relatively high wake-up overhead, one of the effective techniques for power reduction is to decrease the wake-up frequency of the MCU. Meanwhile, due to the recent trend of increasing the number of sensors...
We present an ultra-low-power Microcontroller Unit (MCU) with an embedded atom switch ROM, which performs a 0.33–1.2 V operation voltage and 46.8-µA/MHz active current (or 18.26-µW/MHz active power). The MCU is fabricated by the hybrid of Silicon-On-Thin-Buried-oxide (SOTB) CMOS and bulk CMOS [1]. The SOTB CMOS with a body-bias voltage control realizes a high drivability up to 40-MHz operation at...
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