Low Power and Auto-Operation Mode Platform

The reference designed provides auto-operation mode to process the sensor data through low power serial interface with LPDMA without interrupting CPU. To reduce the power consumption during the operation of the microcontroller, thereby improving the energy efficiency of the overall system.

Feature

-	The first product to support low-power domain peripherals and auto-operation mode
	- Operates low power domain function when chip enters NPD0/1/2/3/4 mode
	- Process the sensor data through low power serial interface with low power DMA without interrupting CPU
-	Low power consumption and high performance
	- Support low power domain peripherals and auto-operation mode
	- In the Normal Power-down mode, MIRC, LIRC and LXT can be operated to shorten the stable time of high precision sensors also lower the shole system’s power consumption

Specifications

M2L31 (32-bit Arm® Cortex®-M23)
-	Core
	- Operating frequency up to 72 MHz
-	Low Power Consumption
	- In Normal Run mode 60 μA/MHz at 72 MHz
	- Idle mode: 33μA/MHz at 25°C/3.0V, all peripherals disabled condition
	- NPD without power gating (NPD2 mode): 55 uA, at 25°C/3.0V
	- NPD with power gating (NPD4 mode): 9 uA, at 25°C/3.0V
	- SPD with 40KB SRAM retention: 1.7 uA, at 25°C/3.0V
	- DPD: 0.54uA at 25°C/3.0V, RTC and LXT disabled
-	Low Power Domain Communication Interfaces
-	Operating Characteristics
	- Voltage range: 1.71V ~ 3.6V

System Block Diagram

16. A001_低功耗自动运作模式平台_SC

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Low Power and Auto-Operation Mode Platform

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