OMAP5910JZZG2 Datasheet, PDF (154/171 Pages) Texas Instruments – This document has been reviewed for technical accuracy; the technical content is up-to-date as of the specified release date and includes the following changes

Electrical Specifications
5.13 Multimedia Card/Secure Digital (MMC/SD) Timings
Table 5--28 and Table 5--29 assume testing over recommended operating conditions (see Figure 5--29
through Figure 5--32).
NO.
M1
M2
M3
M4
t_{su(CMDV--CLKH)}
t_{h(CLKH--CMDV)}
t_{su(DATV--CLKH)}
t_{h(CLKH--DATV)}
Table 5--28. MMC/SD Timing Requirements
Setup time, MMC.CMD valid before MMC.CLK high
Hold time, MMC.CMD invalid after MMC.CLK high
Setup time, MMC.DATx valid before MMC.CLK high
Hold time, MMC.DATx invalid after MMC.CLK high
MIN MAX UNIT
12
ns
2
ns
12
ns
2
ns
Table 5--29. MMC/SD Switching Characteristics
NO.
PARAMETER
M7 t_c(CLK)
Cycle time, MMC.CLK
M8 t_w(CLKH)
Pulse Duration, MMC.CLK high
M9 t_w(CLKL)
Pulse Duration, MMC.CLK low
M10 t_d(CLKH--CMD)
Delay time, MMC.CLK high to MMC.CMD transition
M11 t_d(CLKH--DAT)
Delay time, MMC.CLK high to MMC.DATx transition
† _{MMC.CLK period and pulse duration depends upon software configuration.}
MIN MAX UNIT
41.7
ns
5.31 us
20^†
ns
20^†
ns
4
48 ns
4
48 ns
M7
MMC.CLK
M10
MMC.CMD
M8
M9
M10
M10
M10
Start XMIT ^{Valid Valid Valid End}
Figure 5--29. MMC/SD Host Command Timings
MMC.CLK
M7
M1
MMC.CMD
M8
M9
M1
M2
M2
Start XMIT Valid Valid Valid End
Figure 5--30. MMC/SD Card Response Timings
154 SPRS197D
August 2002 -- Revised August 2004