文中对开、关机的过渡过程进行了分析，还介绍了有关欠压保护、硬件开机延时及其它保护电路的设计。
The paper analyses the transition process from start to shut of the system, and deals with the under-voltage protection, hardware start delay and the design of some other protection circuits.
文中对开、关机的过渡过程进行了分析，还介绍了有关欠压保护、硬件开机延时及其它保护电路的设计。
The paper analyses the transition process from start to shut of the system, and deals with the under-voltage protection, hardware start delay and the design of some other protection circuits.
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