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5.4.16SYSCLKStatusRegister(SYSTAT)
PLLControllerRegisters
TheSYSCLKstatusregister(SYSTAT)isshowninFigure5-18anddescribedinTable5-20.Indicates
SYSCLKon/offstatus.Actualdefaultisdeterminedbyactualclockon/offstatus,whichdependsonthe
D[n]ENbitinPLLDIV[n]default.
Figure5-18.SYSCLKStatusRegister(SYSTAT)
3116
Reserved
R-0
153210
ReservedSYS3ONSYS2ONSYS1ON
R-0R-0or1
(1)
R-1R-1
LEGEND:R=Readonly;-n=valueafterreset
(1)
ForPLLC1,SYS3ONdefaultsto1;forPLLC2,SYS3ONisreservedanddefaultsto0.
Table5-20.SYSCLKStatusRegister(SYSTAT)FieldDescriptions
BitFieldValueDescription
31-3Reserved0Reserved
2SYS3ONSYSCLK3onstatus.SYSCLK3iscontrolledinthePLLcontrollerdivider3register(PLLDIV3).Not
applicableonPLLC2(thisbitisreserved).
0SYSCLK3isoff.
1SYSCLK3ison.
1SYS2ONSYSCLK2onstatus.SYSCLK2iscontrolledinthePLLcontrollerdivider2register(PLLDIV2).
0SYSCLK2isoff.
1SYSCLK2ison.
0SYS1ONSYSCLK1onstatus.SYSCLK1iscontrolledinthePLLcontrollerdivider1register(PLLDIV1).
0SYSCLK1isoff.
1SYSCLK1ison.
PLLController 60SPRU978E–March2008
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