AMIC110 Datasheet, PDF (188/214 Pages) Texas Instruments – Sitara Processors

AMIC110
SPRS971A – AUGUST 2016 – REVISED SEPTEMBER 2016
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7.13 Multimedia Card (MMC) Interface
For more information, see the Multimedia Card (MMC) section of the AM335x and AMIC110 Sitara
Processors Technical Reference Manual.
7.13.1 MMC Electrical Data and Timing
Table 7-67. MMC Timing Conditions
PARAMETER
Input Conditions
t_r
Input signal rise time
t_f
Input signal fall time
Output Condition
C_load
Output load capacitance
MIN
TYP
MAX UNIT
1
5 ns
1
5 ns
3
30 pF
Table 7-68. Timing Requirements for MMC[x]_CMD and MMC[x]_DAT[7:0]
(see Figure 7-63)
1.8-V MODE
3.3-V MODE
NO.
MIN TYP MAX MIN TYP MAX
1 t_{su(CMDV-CLKH)} Setup time, MMC_CMD valid before MMC_CLK rising clock edge
4.1
2
t_h(CLKH-CMDV)
Hold time, MMC_CMD valid after
MMC_CLK rising clock edge
Industrial extended
temperature
MMC0-2 3.76
(–40°C to 125°C)
MMC0
3.76
All other
temperature ranges
MMC1
3.76
MMC2
3.76
4.1
3.76
2.52
3.03
3.0
3 t_{su(DATV-CLKH)} Setup time, MMC_DATx valid before MMC_CLK rising clock edge
4.1
4
t_h(CLKH-DATV)
Hold time, MMC_DATx valid after
MMC_CLK rising clock edge
Industrial extended
temperature
MMC0-2 3.76
(–40°C to 125°C)
MMC0
3.76
All other
temperature ranges
MMC1
3.76
MMC2
3.76
4.1
3.76
2.52
3.03
3.0
UNIT
ns
ns
ns
ns
1
2
MMC[x]_CLK (Output)
MMC[x]_CMD (Input)
MMC[x]_DAT[7:0] (Inputs)
3
4
Figure 7-63. MMC[x]_CMD and MMC[x]_DAT[7:0] Input Timing
188 Peripheral Information and Timings
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