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AM4376 Datasheet(PDF) 245 Page - Texas Instruments |
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AM4376 Datasheet(HTML) 245 Page - Texas Instruments |
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245 / 261 page ![]() AM4376, AM4377, AM4378, AM4379 www.ti.com SPRS851B – JUNE 2014 – REVISED APRIL 2015 5.12.17 Multimedia Card (MMC) Interface For more information, see the Multimedia Card (MMC) section of the AM437x ARM Cortex-A9 Microprocessors (MPUs) Technical Reference Manual (SPRUHL7). 5.12.17.1 MMC Electrical Data and Timing Table 5-125. MMC Timing Conditions TIMING CONDITION PARAMETER MIN TYP MAX UNIT Input Conditions tr Input signal rise time 1 5 ns tf Input signal fall time 1 5 ns Output Condition Cload Output load capacitance 3 30 pF Table 5-126. Timing Requirements for MMC[0]_CMD and MMC[0]_DAT[7:0] (see Figure 5-140) OPP50/OPP100 NO. 1.8 V 3.3 V UNIT MIN TYP MAX MIN TYP MAX Setup time, MMC_CMD valid before 1 tsu(CMDV-CLKH) 4.1 4.1 ns MMC_CLK rising clock edge Hold time, MMC_CMD valid after 2 th(CLKH-CMDV) 1.5 1.5 ns MMC_CLK rising clock edge Setup time, MMC_DATx valid before 3 tsu(DATV-CLKH) 4.1 4.1 ns MMC_CLK rising clock edge Hold time, MMC_DATx valid after 4 th(CLKH-DATV) 1.5 1.5 ns MMC_CLK rising clock edge Table 5-127. Timing Requirements for MMC[1/2]_CMD and MMC[1/2]_DAT[7:0] (see Figure 5-140) OPP50/OPP100 NO. 1.8 V 3.3 V UNIT MIN TYP MAX MIN TYP MAX Setup time, MMC_CMD valid before 1 tsu(CMDV-CLKH) 4.1 4.1 ns MMC_CLK rising clock edge Hold time, MMC_CMD valid after 2 th(CLKH-CMDV) 2.55 3.76 ns MMC_CLK rising clock edge Setup time, MMC_DATx valid before 3 tsu(DATV-CLKH) 4.1 4.1 ns MMC_CLK rising clock edge Hold time, MMC_DATx valid after 4 th(CLKH-DATV) 2.55 3.76 ns MMC_CLK rising clock edge Copyright © 2014–2015, Texas Instruments Incorporated Specifications 245 Submit Documentation Feedback Product Folder Links: AM4376 AM4377 AM4378 AM4379 |
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