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AM62A7 Datasheet(PDF) 178 Page - Texas Instruments |
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AM62A7 Datasheet(HTML) 178 Page - Texas Instruments |
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178 / 238 page ![]() 7.10.5.16.1.7 UHS–I SDR25 Mode Table 7-92, Figure 7-78, Table 7-93, and Figure 7-79 present timing requirements and switching characteristics for MMC0 – UHS-I SDR25 Mode. Table 7-92. Timing Requirements for MMC0 – UHS-I SDR25 Mode see Figure 7-78 NO. MIN MAX UNIT SDR251 tsu(cmdV-clkH) Setup time, MMC0_CMD valid before MMC0_CLK rising edge 2.15 ns SDR252 th(clkH-cmdV) Hold time, MMC0_CMD valid after MMC0_CLK rising edge 1.27 ns SDR253 tsu(dV-clkH) Setup time, MMC0_DAT[3:0] valid before MMC0_CLK rising edge 2.15 ns SDR254 th(clkH-dV) Hold time, MMC0_DAT[3:0] valid after MMC0_CLK rising edge 1.27 ns MMC[ ]_CLK x MMC[ ]_CMD x MMC DAT [ ]_ [3:0] x SDR251 SDR252 SDR253 SDR254 Figure 7-78. MMC0 – UHS-I SDR25 – Receive Mode Table 7-93. Switching Characteristics for MMC0 – UHS-I SDR25 Mode see Figure 7-79 NO. PARAMETER MIN MAX UNIT fop(clk) Operating frequency, MMC0_CLK 50 MHz SDR255 tc(clk) Cycle time, MMC0_CLK 20 ns SDR256 tw(clkH) Pulse duration, MMC0_CLK high 9.2 ns SDR257 tw(clkL) Pulse duration, MMC0_CLK low 9.2 ns SDR258 td(clkL-cmdV) Delay time, MMC0_CLK rising edge to MMC0_CMD transition 2.4 8.1 ns SDR259 td(clkL-dV) Delay time, MMC0_CLK rising edge to MMC0_DAT[3:0] transition 2.4 8.1 ns MMC[ ]_CLK x MMC CMD [ ]_ x MMC DAT [ _ [3:0] x] SDR255 SDR257 SDR256 SDR258 SDR259 SDR258 SDR259 Figure 7-79. MMC0 – UHS-I SDR25 – Transmit Mode AM62A7, AM62A7-Q1, AM62A3, AM62A3-Q1 SPRSP77A – MARCH 2023 – REVISED AUGUST 2023 www.ti.com 178 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: AM62A7 AM62A7-Q1 AM62A3 AM62A3-Q1 |
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