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7.6.7ResetControllerRegister
7.6.7.1ResetTypeStatusRegisterDescription
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
Theresettypestatus(RSTYPE)register(029A00E4)istheonlyregisterfortheresetcontroller.This
registerfallsinthesamememoryrangeasthePLL1controllerregisters[029A0000-029A01FF](see
Table7-18).
Theresttypestatus(RSTYPE)registerlatchesthecauseofthelastreset.Ifmultipleresetsourcesoccur
simultaneously,thisregisterlatchesthehighestpriorityresetsource.Theresettypestatusregisteris
showninFigure7-7anddescribedinTable7-13.
3116
Reserved
R-0
1543210
ReservedSRSTMRSTWRSTPOR
R-0R-0R-0R-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Figure7-7.ResetTypeStatusRegister(RSTYPE)[HexAddress:029A00E4]
Table7-13.ResetTypeStatusRegister(RSTYPE)FieldDescriptions
BitFieldValueDescription
31:4ReservedReserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfieldhasnoeffect.
3SRSTSystemreset.
0SystemResetwasnotthelastresettooccur.
1SystemResetwasthelastresettooccur.
2MRSTMaxreset.
0MaxResetwasnotthelastresettooccur.
1MaxResetwasthelastresettooccur.
1WRSTWarmreset.
0WarmResetwasnotthelastresettooccur.
1WarmResetwasthelastresettooccur.
0PORPower-onreset.
0Power-onResetwasnotthelastresettooccur.
1Power-onResetwasthelastresettooccur.
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