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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM62A7 датащи(PDF) 186 Page - Texas Instruments |
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AM62A7 датащи(HTML) 186 Page - Texas Instruments |
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186 / 238 page  7.10.5.16.2.3 UHS–I SDR12 Mode Table 7-103, Figure 7-87, Table 7-104, and Figure 7-88 present timing requirements and switching characteristics for MMC1/MMC2 – UHS-I SDR12 Mode. Table 7-103. Timing Requirements for MMC1/MMC2 – UHS-I SDR12 Mode see Figure 7-87 NO. MIN MAX UNIT SDR121 tsu(cmdV-clkH) Setup time, MMCx_CMD valid before MMCx_CLK rising edge 4.2 ns SDR122 th(clkH-cmdV) Hold time, MMCx_CMD valid after MMCx_CLK rising edge 0.87 ns SDR123 tsu(dV-clkH) Setup time, MMCx_DAT[3:0] valid before MMCx_CLK rising edge 4.2 ns SDR124 th(clkH-dV) Hold time, MMCx_DAT[3:0] valid after MMCx_CLK rising edge 0.87 ns MMC[ ]_CMD x MMC DAT [ ]_ [3:0] x SDR121 SDR122 SDR123 SDR124 MMC[ ]_CLK x Figure 7-87. MMC1/MMC2 – UHS-I SDR12 – Receive Mode Table 7-104. Switching Characteristics for MMC1/MMC2 – UHS-I SDR12 Mode see Figure 7-88 NO. PARAMETER MIN MAX UNIT fop(clk) Operating frequency, MMCx_CLK 25 MHz SDR125 tc(clk) Cycle time, MMCx_CLK 40 ns SDR126 tw(clkH) Pulse duration, MMCx_CLK high 18.7 ns SDR127 tw(clkL) Pulse duration, MMCx_CLK low 18.7 ns SDR128 td(clkL-cmdV) Delay time, MMCx_CLK rising edge to MMCx_CMD transition 1.5 8.6 ns SDR129 td(clkL-dV) Delay time, MMCx_CLK rising edge to MMCx_DAT[3:0] transition 1.5 8.6 ns MMC[ ]_CLK x MMC CMD [ ]_ x MMC DAT [ ]_ [3:0] x SDR125 SDR127 SDR126 SDR128 SDR129 SDR128 SDR129 Figure 7-88. MMC1/MMC2 – UHS-I SDR12 – Transmit Mode AM62A7, AM62A7-Q1, AM62A3, AM62A3-Q1 SPRSP77A – MARCH 2023 – REVISED AUGUST 2023 www.ti.com 186 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: AM62A7 AM62A7-Q1 AM62A3 AM62A3-Q1 |
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