MEMORY存储芯片TMS320DM340ZVL中文规格书

TMS320C6745,TMS320C6747

SPRS377F–SEPTEMBER2008–REVISEDJUNE2014

UHPI_HCSUHPI_HAS(D)21UHPI_HCNTL[1:0]1UHPI_HR/W1UHPI_HHWIL43UHPI_HSTROBE(A)(C)1514UHPI_HD[15:0](output)5UHPI_HRDY(B)A.B.C.D.

UHPI_HSTROBEreferstothefollowinglogicaloperationonUHPI_HCS,UHPI_HDS1,andUHPI_HDS2:[NOT(UHPI_HDS1XORUHPI_HDS2)]ORUHPI_HCS.Dependingonthetypeofwriteorreadoperation(HPIDwithoutauto-incrementing;HPIA,HPIC,orHPIDwithauto-incrementing)andthestateoftheFIFO,transitionsonUHPI_HRDYmayormaynotoccur.

UHPI_HCSreflectstypicalUHPI_HCSbehaviorwhenUHPI_HSTROBEassertioniscausedbyUHPI_HDS1orUHPI_HDS2.UHPI_HCStimingrequirementsarereflectedbyparametersforUHPI_HSTROBE.ThediagramaboveassumesUHPI_HAShasbeenpulledhigh.

6137861st Half-Word151482nd Half-Word321221212Figure6-67.UHPIReadTiming(UHPI_HASNotUsed,TiedHigh)

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PeripheralInformationandElectricalSpecificationsCopyright?2008–2014,TexasInstrumentsIncorporated

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TMS320C6745,TMS320C6747

SPRS377F–SEPTEMBER2008–REVISEDJUNE2014

UHPI_HCS

UHPI_HAS(D)

1UHPI_HCNTL[1:0]1UHPI_HR/W1UHPI_HHWIL3UHPI_HSTROBE(A)(C)4321221212211UHPI_HD[15:0](input)5UHPI_HRDY(B)1st Half-Word181211122nd Half-Word1318135A.B.C.D.UHPI_HSTROBEreferstothefollowinglogicaloperationonUHPI_HCS,UHPI_HDS1,andUHPI_HDS2:[NOT(UHPI_HDS1XORUHPI_HDS2)]ORUHPI_HCS.Dependingonthetypeofwriteorreadoperation(HPIDwithoutauto-incrementing;HPIA,HPIC,orHPIDwithauto-incrementing)andthestateoftheFIFO,transitionsonUHPI_HRDYmayormaynotoccur.

UHPI_HCSreflectstypicalUHPI_HCSbehaviorwhenUHPI_HSTROBEassertioniscausedbyUHPI_HDS1orUHPI_HDS2.UHPI_HCStimingrequirementsarereflectedbyparametersforUHPI_HSTROBE.hediagramaboveassumesUHPI_HAShasbeenpulledhigh.

Figure6-69.UHPIWriteTiming(UHPI_HASNotUsed,TiedHigh)

198

PeripheralInformationandElectricalSpecificationsCopyright?2008–2014,TexasInstrumentsIncorporated

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ProductFolderLinks:TMS320C6745TMS320C6747