AM1705DPTP3 datasheet(78/165 Pages) TI1

78 / 165 page

AM1705

SPRS657E – FEBRUARY 2010 – REVISED JUNE 2014

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6.13.3 MMC/SD Electrical Data/Timing

Table 6-29. Timing Requirements for MMC/SD Module

(see Figure 6-22 and Figure 6-24)

No.

PARAMETER

MIN

MAX

UNIT

tsu(CMDV-CLKH)

Setup time, MMCSD_CMD valid before MMCSD_CLK high

3.2

th(CLKH-CMDV)

Hold time, MMCSD_CMD valid after MMCSD_CLK high

1.5

tsu(DATV-CLKH)

Setup time, MMCSD_DATx valid before MMCSD_CLK high

3.2

th(CLKH-DATV)

Hold time, MMCSD_DATx valid after MMCSD_CLK high

1.5

Table 6-30. Switching Characteristics Over Recommended Operating Conditions for MMC/SD Module

(see Figure 6-21 through Figure 6-24)

No.

PARAMETER

MIN

MAX

UNIT

f(CLK)

Operating frequency, MMCSD_CLK

MHz

f(CLK_ID)

Identification mode frequency, MMCSD_CLK

400

KHz

tW(CLKL)

Pulse width, MMCSD_CLK low

6.5

tW(CLKH)

Pulse width, MMCSD_CLK high

6.5

tr(CLK)

Rise time, MMCSD_CLK

tf(CLK)

Fall time, MMCSD_CLK

td(CLKL-CMD)

Delay time, MMCSD_CLK low to MMCSD_CMD transition

-4.5

2.5

td(CLKL-DAT)

Delay time, MMCSD_CLK low to MMCSD_DATx transition

-4.5

2.5

Peripheral Information and Electrical Specifications

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