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TDA2SA Datasheet(PDF) 299 Page - Texas Instruments |
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TDA2SA Datasheet(HTML) 299 Page - Texas Instruments |
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299 / 427 page  DSSD2 DSSD1 DSSD0 DSSD3 DSSD4 mmcx_clk mmcx_cmd mmcx_dat[3:0] MMC1_02 DSSD2 DSSD1 DSSD0 DSSD6 DSSD5 DSSD8 DSSD7 mmc1_clk mmc1_cmd mmc1_dat[3:0] MMC1_01 299 TDA2SX, TDA2SG, TDA2SA TDA2HG, TDA2HV, TDA2HF, TDA2LF www.ti.com SPRS951F – DECEMBER 2015 – REVISED MAY 2019 Submit Documentation Feedback Product Folder Links: TDA2SX TDA2SG TDA2SA TDA2HG TDA2HV TDA2HF TDA2LF Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated Table 7-89. Timing Requirements for MMC1 - SD Card Default Speed Mode NO. PARAMETER DESCRIPTION MIN MAX UNIT DSSD5 tsu(cmdV-clkH) Setup time, mmc1_cmd valid before mmc1_clk rising clock edge 5.11 ns DSSD6 th(clkH-cmdV) Hold time, mmc1_cmd valid after mmc1_clk rising clock edge 20.46 ns DSSD7 tsu(dV-clkH) Setup time, mmc1_dat[3:0] valid before mmc1_clk rising clock edge 5.11 ns DSSD8 th(clkH-dV) Hold time, mmc1_dat[3:0] valid after mmc1_clk rising clock edge 20.46 ns Table 7-90. Switching Characteristics for MMC1 - SD Card Default Speed Mode NO. PARAMETER DESCRIPTION MIN MAX UNIT DSSD0 fop(clk) Operating frequency, mmc1_clk 24 MHz DSSD1 tw(clkH) Pulse duration, mmc1_clk high 0.5*P- 0.185(1) ns DSSD2 tw(clkL) Pulse duration, mmc1_clk low 0.5*P- 0.185 (1) ns DSSD3 td(clkL-cmdV) Delay time, mmc1_clk falling clock edge to mmc1_cmd transition -14.93 14.93 ns DSSD4 td(clkL-dV) Delay time, mmc1_clk falling clock edge to mmc1_dat[3:0] transition -14.93 14.93 ns (1) P = output mmc1_clk period in ns Figure 7-54. MMC/SD/SDIO in - Default Speed - Receiver Mode Figure 7-55. MMC/SD/SDIO in - Default Speed - Transmitter Mode 7.22.1.2 High speed, 4-bit data, SDR, half-cycle Table 7-91 and Table 7-92 present Timing requirements and Switching characteristics for MMC1 - High Speed in receiver and transmitter mode (see Figure 7-56 and Figure 7-57) |
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