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AM1806 Datasheet(PDF) 121 Page - Texas Instruments |
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AM1806 Datasheet(HTML) 121 Page - Texas Instruments |
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121 / 245 page  AM1806 www.ti.com SPRS658F – FEBRUARY 2010 – REVISED MARCH 2014 6.13.3 MMC/SD Electrical Data/Timing Table 6-40 through Table 6-41 assume testing over recommended operating conditions. Table 6-40. Timing Requirements for MMC/SD (see Figure 6-25 and Figure 6-27) 1.3V, 1.2V 1.1V 1.0V NO. UNIT MIN MAX MIN MAX MIN MAX tsu(CMDV- 1 Setup time, MMCSD_CMD valid before MMCSD_CLK high 4 4 6 ns CLKH) 2 th(CLKH-CMDV) Hold time, MMCSD_CMD valid after MMCSD_CLK high 2.5 2.5 2.5 ns 3 tsu(DATV-CLKH) Setup time, MMCSD_DATx valid before MMCSD_CLK high 4.5 5 6 ns 4 th(CLKH-DATV) Hold time, MMCSD_DATx valid after MMCSD_CLK high 2.5 2.5 2.5 ns Table 6-41. Switching Characteristics for MMC/SD (see Figure 6-24 through Figure 6-27) 1.3V, 1.2V 1.1V 1.0V NO. PARAMETER UNIT MIN MAX MIN MAX MIN MAX 7 f(CLK) Operating frequency, MMCSD_CLK 0 52 0 50 0 25 MHz 8 f(CLK_ID) Identification mode frequency, MMCSD_CLK 0 400 0 400 0 400 KHz 9 tW(CLKL) Pulse width, MMCSD_CLK low 6.5 6.5 10 ns 10 tW(CLKH) Pulse width, MMCSD_CLK high 6.5 6.5 10 ns 11 tr(CLK) Rise time, MMCSD_CLK 3 3 10 ns 12 tf(CLK) Fall time, MMCSD_CLK 3 3 10 ns 13 td(CLKL-CMD) Delay time, MMCSD_CLK low to MMCSD_CMD transition -4 2.5 -4 3 -4 4 ns 14 td(CLKL-DAT) Delay time, MMCSD_CLK low to MMCSD_DATx transition -4 3.3 -4 3.5 -4 4 ns Copyright © 2010–2014, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 121 Submit Documentation Feedback Product Folder Links: AM1806 |
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