所需E币: 3
时间: 2019-12-24 22:42
大小: 1.88MB
CPUSupervisorandSystemManagementDevicesforBatteryApplications:UsingtheX40420,X40421asaBatteryBackupSwitchCPUSupervisorandSystemManagementDevicesforBatteryApplications:UsingtheX40420,X40421asaBatteryBackupSwitchApplicationNoteJuly15,2005AN164.0Author:CarlosMartinezIntroductionTheX40420,X40421deviceshaveaPowerOnReset(POR)circuit,lowvoltagemonitorsfortwosupplies,anautomaticswitchbetweenamainvoltagesourceandabackupsupply,awatchdogtimer,4kbitsofEEPROMandafaultdetectionregister.Someofthese……
标签: cpu电源运用
