AM2432...ALV datasheet(204/280 Pages) TI

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7.10.5.12.2.2 High Speed Mode

Table 7-79, Figure 7-67, Table 7-80, and Figure 7-68 present timing requirements and switching characteristics

for MMC1 – High Speed Mode.

Table 7-79. Timing Requirements for MMC1 – High Speed Mode

see Figure 7-67

NO.

MIN

MAX

UNIT

HS1

tsu(cmdV-clkH)

Setup time, MMC1_CMD valid before MMC1_CLK rising edge

2.55

HS2

th(clkH-cmdV)

Hold time, MMC1_CMD valid after MMC1_CLK rising edge

2.67

HS3

tsu(dV-clkH)

Setup time, MMC1_DAT[3:0] valid before MMC1_CLK rising edge

2.55

HS4

th(clkH-dV)

Hold time, MMC1_DAT[3:0] valid after MMC1_CLK rising edge

2.67

MMC[ ]_CLK

MMC[ ]_CMD

MMC

DAT

[ ]_

[3:0]

H 1

H 2

H 3

H 4

Figure 7-67. MMC1 – High Speed – Receive Mode

Table 7-80. Switching Characteristics for MMC1 – High Speed Mode

see Figure 7-68

NO.

PARAMETER

MIN

MAX

UNIT

fop(clk)

Operating frequency, MMC1_CLK

MHz

HS5

tc(clk)

Cycle time. MMC1_CLK

HS6

tw(clkH)

Pulse duration, MMC1_CLK high

9.2

HS7

tw(clkL)

Pulse duration, MMC1_CLK low

9.2

HS8

td(clkL-cmdV)

Delay time, MMC1_CLK falling edge to MMC1_CMD transition

-7.35

3.35

HS9

td(clkL-dV)

Delay time, MMC1_CLK falling edge to MMC1_DAT[3:0] transition

-7.35

3.35

MMC[x]_CLK

MMC

CMD

[ ]_

MMC

DAT

[ ]_

[3:0]

H 5

H 7

H 8

H 9

HS6

Figure 7-68. MMC1 – High Speed – Transmit Mode

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

www.ti.com

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