基本信息
文件名称：综合ks note ndk100 jimmy powersequence注意权力.pptx
文件大小：4.74 MB
总页数：29 页
更新时间：2025-03-08
总字数：约小于1千字
文档摘要
KSNOTEPowerSequenceNDK100:JimmyChen
KSNoteBlockDiagram
PowerBlockDiagramH8PMH7SBADP3207NBPCIDEVICEPOWERTSURUMAPWR_SWM_ONA_ONB_ONVCCXM_ONVCCXA_ONVCCXB_ONMPWRGDBPWRGDBPWRGDPWR_SW_H8PLTRSTPCIRSTCPU_PWRGD(BPWRGDXVR_PWRGD)VCCCPUCOREVR_PWRGDCPURSTSLP_S3.SLP_S4CPU1284111097651213143
PowersequenceTable-1
PowersequenceTable-2
VREGIN19U74VCC3SW因此只要powerVREGIN19supplytoU74,無須控制信號U74產生VCC3SW
EXTPWR_PMHU72M1_ONM2_ONAUXONControlSignalEXTPWR_PMHbesenttoU72,然后產生ControlSignalM1_ON/M2_ON/AUX_ONPWH7
這里順便了解一下PWHControlSignalSequenceSystemdetectEXTPWROKthengenerateM_ONAUX_ONSystemdetectPWRSTWITCHOKthengenerateA_ONB_ON,也就是說﹕SystemgenerateM_ONAUX_ONbeforepressingpowerbuttonSystemgenerateA_ONB_ONafterpressingpowerbutton