Datasheet

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MMC[x]_CLK (Output)
1
2
MMC[x]_CMD (Input)
MMC[x]_DAT[7:0] (Inputs)
3
4
AM3359, AM3358, AM3357
AM3356, AM3354, AM3352
SPRS717E –OCTOBER 2011–REVISED JANUARY 2013 www.ti.com
5.10 Multimedia Card (MMC) Interface
For more information, see the Multimedia Card (MMC) section of the AM335x ARM Cortex-A8
Microprocessors (MPUs) Technical Reference Manual (literature number SPRUH73).
5.10.1 MMC Electrical Data and Timing
Table 5-82. MMC Timing Conditions
TIMING CONDITION PARAMETER MIN TYP MAX UNIT
Input Conditions
t
r
Input signal rise time 1 5 ns
t
f
Input signal fall time 1 5 ns
Output Condition
C
load
Output load capacitance 3 30 pF
Table 5-83. Timing Requirements for MMC[x]_CMD and MMC[x]_DAT[7:0]
(see Figure 5-90)
NO. MIN TYP MAX UNIT
Setup time, MMC_CMD valid before MMC_CLK rising clock
1 t
su(CMDV-CLKH)
4.1 ns
edge
2 t
h(CLKH-CMDV)
Hold time, MMC_CMD valid after MMC_CLK rising clock edge 1.9 ns
Setup time, MMC_DATx valid before MMC_CLK rising clock
3 t
su(DATV-CLKH)
4.1 ns
edge
4 t
h(CLKH-DATV)
Hold time, MMC_DATx valid after MMC_CLK rising clock edge 1.9 ns
Figure 5-90. MMC[x]_CMD and MMC[x]_DAT[7:0] Input Timing
214 Peripheral Information and Timings Copyright © 2011–2013, Texas Instruments Incorporated
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