电源监控,外部看门狗,密码狗,窗口狗,错误监控,错误状态跳转 High efficient multi voltage power supply chip • Serial step up and step down pre regulator for wide input voltage range from 3.0 to 40 V with full performance and low over all power loss • Low drop post regulator 5.0V/200mA for communication supply (named LDO_Com)