SanDisk SD Card

More documents

Recommendations

Info

Revision 2.2Chapter 3 – SD Card Interface DescriptionSD Card Product ManualTable 3-5 Host and Bus Capacities 8Parameter Symbol Min. Max. Unit RemarkPull-up resistanceR CMD, 10 100 kΩ Prevents bus floatingR DATBus signal line capacitance C L --- 250 pF f PP < 5 MHz, 21 cardsBus signal line capacitance C L --- 100 pFSignal card capacitance C CARD --- 10 pFf PP < 20 MHz, 7 cardsMax. signal line inductance --- --- 16 nH f PP
Revision 2.2Chapter 3 – SD Card Interface DescriptionSD Card Product Manual3.4.6 Bus Timing (default)Default dataIn/dataOut timing is illustrated in Figure 3-7; bus timing parameter values areshown in Table 3-7.Figure 3-7Data In/Out Referenced to Clock Timing (default)Table 3-7Bus Timing Parameter Values (default)Parameter Symbol Min Max Unit RemarkClock (CLK) – all values referred to min. V IH and max. V ILClock Freq. Data Transfer Mode f PP 0 25 MHz C L < 100 pF (7 cards)Clock Freq. Identification Mode 9 f OD 0 10 /10 400 kHz C L < 250 pF (21 cards)0Clock Low Time t WL 10 --- ns C L < 100 pF (7 cards)Clock High Time t WH 10 --- ns C L < 100 pF (7 cards)Clock Rise Time t TLH --- 10 ns C L < 100 pF (10 cards)Clock Fall Time t THL --- 10 ns C L < 100 pF (7 cards)Clock Low Time t WL 50 --- ns C L < 250 pF (21 cards)Clock High Time t WH 50 --- ns C L < 250 pF (21 cards)Clock Rise Time t TLH --- 50 ns C L < 250 pF (21 cards)Clock Fall Time t THL --- 50 ns C L < 250 pF (21 cards)Inputs CMD, DAT – referenced to CLKInput setup time t ISU 5 --- ns C L < 25 pF (1 card)Input hold time t IH 5 --- ns C L < 25 pF (1 card)Outputs CMD, DAT – referenced to CLK9 Low frequency required for MMC compatibility.10 0 Hz stops clock—given min. freq. range is for cases in which a continuous clock is required.© 2004 SanDisk Corporation 3-9 12/08/04
Page 4 and 5: Revision 2.2SanDisk SD Card Product
Page 6 and 7: Revision 2.2Chapter 1 - Introductio
Page 16 and 17: Revision 2.2Chapter 2 - Product Spe
Page 22 and 23: Revision 2.2Chapter 3 - SD Card Int
Page 46 and 47: Revision 2.2Chapter 4 - SD Card Pro
Page 78 and 79:
Revision 2.2Chapter 4 - SD Card Pro
Page 80 and 81:
Page 82 and 83:
Page 84 and 85:
Page 86 and 87:
Page 88 and 89:
Page 90 and 91:
Page 92 and 93:
Revision 2.2Chapter 5 - SPI Protoco
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105:
Page 106 and 107:
Page 108 and 109:
Page 110 and 111:
Page 112 and 113:
Revision 2.2Appendix B -SanDisk Wor
Page 114 and 115:
Revision 2.2Appendix C -Limited War
Page 116 and 117:
Revision 2.2Appendix D -Disclaimer
Page 118 and 119:
Host Design Considerations:Applicat
Page 120 and 121:
Page 122 and 123:
show all

SanDisk SD Card

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?