AM3703CUS datasheet(254/280 Pages) TI

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SWPS038-102

mmc1_clk

mmc1_cmd

mmc1_dat[3:0]

MMC3

MMC7

MMC4

MMC8

MMC1

MMC2

AM3715, AM3703

SPRS616F

– JUNE 2010 – REVISED AUGUST 2011

www.ti.com

Table 6-120. MMC1 Interface Switching Characteristics

—Standard MMC and MMC Identification Modes(7)

(continued)

NO.

PARAMETER

OPP100

OPP50

UNIT

MIN

MAX

MIN

MAX

tF(clk)

Fall time, output clk

tR(data)

Rise time, output data

tF(data)

Fall time, output data

MMC5

td(CLKOH-CMD)

Delay time, mmc1_clk rising clock edge to mmc1_cmd

4.1

37.6

4.3

transition

MMC6

td(CLKOH-DATx)

Delay time, mmc1_clk rising clock edge to

4.1

37.6

4.3

mmc1_dat[n:0](4) transition

MMC1 Interface (3.0-V IO)

tR(clk)

Rise time, output clk

tF(clk)

Fall time, output clk

tR(data)

Rise time, output data

tF(data)

Fall time, output data

MMC5

td(CLKOH-CMD)

Delay time, mmc1_clk rising clock edge to mmc1_cmd

4.1

37.6

4.3

transition

MMC6

td(CLKOH-DATx)

Delay time, mmc1_clk rising clock edge to

4.1

37.6

4.3

mmc1_dat[n:0](4) transition

(1) Related with the output clock maximum and minimum frequencies programmable in MMC module.

(2) PO = output clock period in ns

(3) The jitter probability density can be approximated by a Gaussian function.

(4) In mmc1_dat[n:0], n is equal to 3.

(5) The X parameter is defined as follows:

CLKD

1 or Even

0.5

Odd

(trunk[CLKD/2]+1)/CLKD

All required details about clock division factor CLKD can be found in the AM/DM37x Multimedia Device Technical Reference Manual

(literature number SPRUGN4).

(6) The Y parameter is defined as follows:

CLKD

1 or Even

0.5

Odd

(trunk[CLKD/2])/CLKD

All required details about clock division factor CLKD can be found in the AM/DM37x Multimedia Device Technical Reference Manual

(literature number SPRUGN4).

(7) See Section 4.3.4, Processor Clocks.

Figure 6-69. MMC1 Interface

—Standard MMC and MMC Identification Modes—Data/Command Receive

254

Timing Requirements and Switching Characteristics

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AM3703CUS Datasheet(PDF) 254 Page - Texas Instruments

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