TDA4VM21 datasheet(272/331 Pages) TI

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6.9.5.19.2.2 High Speed Mode

Table 6-90, Figure 6-99, Table 6-91, and Figure 6-100 present timing requirements and switching characteristics

for MMC1/2 – High Speed Mode.

Table 6-90. MMC1/2 Timing Requirements – High Speed Mode

see Figure 6-99

NO.

MIN

MAX

UNIT

HS1

tsu(cmdV-clkH)

Setup time, MMC[x]_CMD valid before MMC[x]_CLK rising edge

2.55

HS2

th(clkH-cmdV)

Hold time, MMC[x]_CMD valid after MMC[x]_CLK rising edge

2.67

HS3

tsu(dV-clkH)

Setup time, MMC[x]_DAT[3:0] valid before MMC[x]_CLK rising edge

2.55

HS4

th(clkH-dV)

Hold time, MMC[x]_DAT[3:0] valid after MMC[x]_CLK rising edge

2.67

x = 1, 2 for MMC1 and MMC2

MMC[ ]_CLK

MMC[ ]_CMD

MMC

DAT

[ ]_

[3:0]

H 1

H 2

H 3

H 4

Figure 6-99. MMC1 /2– High Speed – Receive Mode

Table 6-91. MMC1/2 Switching Characteristics – High Speed Mode

see Figure 6-100

NO.

PARAMETER

MIN

MAX

UNIT

fop(clk)

Operating frequency, MMC[x]_CLK

MHz

HS5

tc(clk)

Cycle time. MMC[x]_CLK

HS6

tw(clkH)

Pulse duration, MMC[x]_CLK high

9.2

HS7

tw(clkL)

Pulse duration, MMC[x]_CLK low

9.2

HS8

td(clkL-cmdV)

Delay time, MMC[x]_CLK falling edge to MMC[x]_CMD transition

-1.77

2.35

HS9

td(clkL-dV)

Delay time, MMC[x]_CLK falling edge to MMC[x]_DAT[3:0]

transition

-1.77

2.35

MMC[x]_CLK

MMC

CMD

[ ]_

MMC

DAT

[ ]_

[3:0]

H 5

H 7

H 8

H 9

HS6

Figure 6-100. MMC1/2 – High Speed – Transmit Mode

TDA4VM-Q1, TDA4VM

SPRSP36K – SEPTEMBER 2021 – REVISED APRIL 2024

www.ti.com

272

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