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TMS320C6454
Fixed-PointDigitalSignalProcessor
SPRS311A–APRIL2006–REVISEDDECEMBER2006
Table3-13.DeviceStatusRegister(DEVSTAT)FieldDescriptions(continued)
BitFieldValueDescription
14MCBSP1_ENMcBSP1Enable(MCBSP1_EN)statusbit
ShowsthestatusofwhichfunctionisenabledontheMcBSP1/GPIOmuxedpins.
0GPIOpinfunctionsenabled(default)
1McBSP1pinfunctionsenabled
13PCI66PCIFrequencySelection(PCI66)statusbit
ShowsthePCIoperatingfrequencyselectedatreset.
0PCIoperatesat33MHz(default)
1PCIoperatesat66MHz
12ReservedReserved.Read-only,writeshavenoeffect.
11PCI_EEAIPCII2CEEPROMAuto-Initialization(PCI_EEAI)statusbit
ShowswhetherthePCIauto-initializationviaexternalI2CEEPROMisenabled/disabled.
0PCIauto-initializationthroughexternalI2CEEPROMisdisabled;thePCIperipheralusesthe
specifiedPCIdefaultvalues(default).
1PCIauto-initializationthroughexternalI2CEEPROMisenabled;thePCIperipheralisconfigured
throughexternalI2CEEPROMprovidedthePCIperipheralpinisenabled(PCI_EN=1).
10:9MACSEL[1:0]EMACInterfaceSelect(MACSEL[1:0])statusbits
ShowswhichEMACinterfacemodehasbeenselected.
0010/100EMAC/MDIOwithMIIInterface(default)
0110/100EMAC/MDIOwithRMIIInterface
1010/100/1000EMAC/MDIOwithGMIIInterface
1110/100/1000EMAC/MDIOwithRGMIIModeInterface
[RGMIIinterfacerequiresa1.8Vor1.5VI/Osupply]
8:7ReservedReserved.Read-only,writeshavenoeffect.
6LENDIANDeviceEndianmode(LENDIAN)
ShowsthestatusofwhetherthesystemisoperatinginBigEndianmodeorLittleEndianmode
(default).
0SystemisoperatinginBigEndianmode
1SystemisoperatinginLittleEndianmode(default)
5HPI_WIDTHHPIbuswidthcontrolbit.
ShowsthestatusofwhethertheHPIbusoperatesin32-bitmodeorin16-bitmode(default).
0HPIoperatesin16-bitmode.(default)
1HPIoperatesin32-bitmode
4AECLKINSELEMIFAinputclockselect
ShowsthestatusofwhatclockmodeisenabledordisabledforEMIFA.
0AECLKIN(defaultmode)
1SYSCLK4(CPU/x)ClockRate.TheSYSCLK4clockrateissoftwareselectableviathePLL1
Controller.Bydefault,SYSCLK4isselectedasCPU/8clockrate.
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