AM3703CUS datasheet(257/280 Pages) TI

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SWPS038-100

mmc1_clk

mmc1_cmd

mmc1_dat[3:0]

MMC3

MMC7

MMC4

MMC8

MMC1

MMC2

SWPS038-101

mmc1_clk

mmc1_cmd

mmc1_dat[3:0]

MMC5

MMC6

MMC1

MMC2

AM3715, AM3703

www.ti.com

SPRS616F

– JUNE 2010 – REVISED AUGUST 2011

Figure 6-71. MMC1 Interface

—High-Speed MMC Mode—Data/Command Receive

Figure 6-72. MMC1 Interface

—High-Speed MMC Mode—Data/Command Transmit

6.6.8.1.6 MMC2 and MMC3 Interfaces

—SDIO Identification Mode

Table 6-125 and Table 6-126 assume testing over the recommended operating conditions and electrical

characteristic conditions below (see Figure 6-73 and Figure 6-74).

Table 6-124. MMC2 and MMC3 Interfaces Timing Conditions

—SDIO Identification Mode

TIMING CONDITION PARAMETER

VALUE

UNIT

Input Conditions

Input signal rise time

Input signal fall time

Output Condition

CLOAD

Output load capacitance(1)

(1) Buffer strength configuration: LB0 = 0

Table 6-125. MMC2 and MMC3 Interfaces Timing Requirements

—SDIO Identification Mode(1)(2)

NO.

PARAMETER

OPP100

OPP50

UNIT

MIN

MAX

MIN

MAX

MMC2 and MMC3 Interface (1.8-V IO)

SD3

tsu(CMDV-CLKIH)

Setup time, mmcx_cmd valid before

1198.4

mmcx_clk rising clock edge

SD4

th(CLKIH-CMDIV)

Hold time, mmcx_cmd valid after mmcx_clk

1249.2

rising clock edge

(1) See Section 4.3.4, Processor Clocks.

(2) In mmcx, x is equal to 2 or 3.

Timing Requirements and Switching Characteristics

257

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