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4Registers
Registers
Table5liststhememory-mappedregistersforthemultimediacard/securedigital(MMC/SD)card
controller.Seethedevice-specificdatamanualforthememoryaddressoftheseregisters.
Table5.MultimediaCard/SecureDigital(MMC/SD)CardControllerRegisters
OffsetAcronymRegisterDescriptionSection
00hMMCCTLMMCControlRegisterSection4.1
04hMMCCLKMMCMemoryClockControlRegisterSection4.2
08hMMCST0MMCStatusRegister0Section4.3
0ChMMCST1MMCStatusRegister1Section4.4
10hMMCIMMMCInterruptMaskRegisterSection4.5
14hMMCTORMMCResponseTime-OutRegisterSection4.6
18hMMCTODMMCDataReadTime-OutRegisterSection4.7
1ChMMCBLENMMCBlockLengthRegisterSection4.8
20hMMCNBLKMMCNumberofBlocksRegisterSection4.9
24hMMCNBLCMMCNumberofBlocksCounterRegisterSection4.10
28hMMCDRRMMCDataReceiveRegisterSection4.11
2ChMMCDXRMMCDataTransmitRegisterSection4.12
30hMMCCMDMMCCommandRegisterSection4.13
34hMMCARGHLMMCArgumentRegisterSection4.14
38hMMCRSP01MMCResponseRegister0and1Section4.15
3ChMMCRSP23MMCResponseRegister2and3Section4.15
40hMMCRSP45MMCResponseRegister4and5Section4.15
44hMMCRSP67MMCResponseRegister6and7Section4.15
48hMMCDRSPMMCDataResponseRegisterSection4.16
50hMMCCIDXMMCCommandIndexRegisterSection4.17
74hMMCFIFOCTLMMCFIFOControlRegisterSection4.18
MultimediaCard(MMC)/SecureDigital(SD)CardController 40SPRUE30B–September2006
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