AM6548 datasheet(220/284 Pages) TI

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Figure 7-80. eMMC/SD/SDIO - High-Speed DDR - Receive Mode

Figure 7-81. eMMC/SD/SDIO - High-Speed DDR - DDR50 - Transmit Mode

7.9.5.16.1.6 UHS-I SDR50 Mode

Table 7-63 present Switching Characteristics for MMCi - SDR50 in transmitter mode (see Figure 7-82).

Table 7-63. Switching Characteristics for MMCi - SDR50 Mode

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

SDR501

fop(clk)

Operating frequency, MMCi_CLK

100

MHz

SDR502H tw(clkH)

Pulse duration, MMCi_CLK high

4.45

SDR502L

tw(clkL)

Pulse duration, MMCi_CLK low

4.45

SDR505

td(clkH-cmdV)

Delay time, MMCi_CLK rising clock edge to MMCi_CMD transition

1.12

6.43

SDR506

td(clkH-dV)

Delay time, MMCi_CLK rising clock edge to MMCi_DAT[j:0]

transition

1.12

6.43

Figure 7-82. eMMC/SD/SDIO in - High Speed SDR50 - Transmitter Mode

7.9.5.16.1.7 UHS-I SDR104 / HS200 Mode

Table 7-64 presents Switching characteristics for MMCi - SDR104, HS200 in transmitter mode (see Figure 7-83)

AM6548, AM6528, AM6546, AM6526

SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021

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