电源消耗是测量常规模式、空闲模式和掉电模式工况下的电耗。
Power Supply current consumption is measured in Normal, Idle, and Power-Down modes under the following conditions.
电荷泵和放大器可放置在掉电模式下，消耗电流小于1ma的。
The charge pump and amplifiers can be placed in a power down mode, consuming less than 1ma of current.
掉电模式时晶体振荡器停止振荡，所有功能除了中断和硬件复位之外都停止工作；
The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next Interrupt or Hard- ware Reset.
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