
MYXPM6021*
Revision 1.1 - 10/21/14
*Advanced information. Subject to change without notice.
18
MYXPM6021*
Form #: CSI-D-685 Document 011
7.1.18 SLP_S4_B
SLP_S4_BisanactivelowdedicatedinputsignalfromtheSOCthatindicatesS4stateentryuponassertion(SLP_S4_
B=LOW) and exit upon de-assertion (SLP_S4_B=HIGH). The assertion/de-assertionof the SLP_S4_Bsignal from the
SOClaunchesSOC_S4stateentry/exitsequence.ItisvalidonlywhenRSMRST_B=1.
7.1.19 RSMRST_B
RSMRST_Bisanactivelowdedicatedoutputsignal.RSMRST_BassertswhenvoltagerailV3P3Aisenabled.RSMRST_B
shallbeactivelydriventolowinSOCG3statewhenSUSrailsareturnedoff.Thisisdownviaapull-downintegrated
resistor.ThenominalvoltageofRSMRST_Bis0Vwhenasserted,3.3Vwhende-asserted.
7.1.20 DRAMPWROK
DRAMPWROKisanactivehighdedicatedoutputsignal.DRAMPWROKassertswhenvoltagerailVDDQisenabled.The
nominalvoltageofDRAMPWROKisVDDQwhenasserted,0Vwhende-asserted.
7.1.21 VCCAPWROK
VCCAPWROKisanactivehighdedicatedoutputsignal.VCCAPWROKassertswhenallvoltagerailsthataresupposed
tobeoninSOC_S0andSOC_SXstatesareatnominalvoltage.ThenominalvoltageofVCCAPWROKisVDDQwhen
asserted,0Vwhende-asserted.VCCAPWROKwillde-assertonlyifbothPLTRST_BandSLP_S0IX_Bareasserted(=0)
duringsleepstateentry.
7.1.22 COREPWROK
COREPWROKisanactivehighdedicatedoutputsignal.COREPWROKassertswhenallvoltagerailsthataresupposed
tobeoninSOC_S0andSOC_SXstates,areatnominalvoltage.COREPOWROKshallbeactivelydriventolowinSOC
G3statewhenSUSrails(*_Arails)areturnedoff.ThenominalvoltageofCOREPWROKis3.3Vwhenasserted,0Vwhen
de-asserted.COREPWROKwillde-assertonlyifbothPLTRST_BandSLP_S0IX_Bareasserted(=0)duringsleepstate
entry.
7.1.23 SUSPWRDNOK
SUSPWRDNACKisanactivehighdedicatedinputsignalfromtheSOCthatindicatesthePMICtoturnofftheSUSrails
(A)rails(V3P3A,V1P8A,V1P0A)injunctionwithassertionofSLP_S4_B.ItisvalidwhenRSMRST_B=1(de-asserted)and
SLP=S4_B=0(asserted).
7.1.24 BATLOW_B
BATLOW_BisanactivelowdedicatedoutputsignaltotheSOCindicatingthatthebatteryvoltageisnotsufcientlyhigh
toboottheSoC.
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