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AM5728 Datasheet(PDF) 340 Page - Texas Instruments |
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AM5728 Datasheet(HTML) 340 Page - Texas Instruments |
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340 / 415 page  SDR122 mmcj_clk mmcj_cmd mmcj_dat[i:0] vayu_mmc3_12 SDR121 SDR120 SDR123 SDR124 SDR122 mmcj_clk mmcj_cmd mmcj_dat[i:0] vayu_mmc3_11 SDR121 SDR120 SDR126 SDR125 SDR127 SDR128 340 AM5729, AM5728, AM5726 SPRS953F – DECEMBER 2015 – REVISED MAY 2019 www.ti.com Submit Documentation Feedback Product Folder Links: AM5729 AM5728 AM5726 Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated Table 7-126. Switching Characteristics for MMC4 - SDR12 Mode (2) (continued) NO. PARAMETER DESCRIPTION MIN MAX UNIT SDR126 td(clkL-dV) Delay time, mmc4_clk falling clock edge to mmc4_dat[i:0] transition -19.13 16.93 ns (1) P = output mmc4_clk period in ns (2) j in [i:0] = 3 Figure 7-85. MMC/SD/SDIOj in - SDR12 - Receiver Mode Figure 7-86. MMC/SD/SDIOj in - SDR12 - Transmitter Mode 7.23.3.4 MMC3 and MMC4, SD SDR25 Mode Figure 7-87, Figure 7-88, and Table 7-127 through Table 7-130 present Timing requirements and Switching characteristics for MMC3 and MMC4 - SD and SDIO SDR25 in receiver and transmitter mode. Table 7-127. Timing Requirements for MMC3 - SDR25 Mode (1) NO. PARAMETER DESCRIPTION MIN MAX UNIT SDR253 tsu(cmdV-clkH) Setup time, mmc3_cmd valid before mmc3_clk rising clock edge 5.3 ns SDR254 th(clkH-cmdV) Hold time, mmc3_cmd valid after mmc3_clk rising clock edge 1.6 ns SDR257 tsu(dV-clkH) Setup time, mmc3_dat[i:0] valid before mmc3_clk rising clock edge 5.3 ns SDR258 th(clkH-dV) Hold time, mmc3_dat[i:0] valid after mmc3_clk rising clock edge 1.6 ns (1) i in [i:0] = 7 Table 7-128. Switching Characteristics for MMC3 - SDR25 Mode (2) NO. PARAMETER DESCRIPTION MIN MAX UNIT SDR251 fop(clk) Operating frequency, mmc3_clk 48 MHz SDR252 H tw(clkH) Pulse duration, mmc3_clk high 0.5*P- 0.270 (1) ns |
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