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AM3703CUS Datasheet(PDF) 259 Page - Texas Instruments |
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AM3703CUS Datasheet(HTML) 259 Page - Texas Instruments |
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259 / 280 page  SWPS038-096 mmcx_clk mmcx_cmd mmcx_dat[n:0] HSSD4 HSSD8 HSSD3 HSSD7 HSSD1 HSSD2 HSSD2 AM3715, AM3703 www.ti.com SPRS616F – JUNE 2010 – REVISED AUGUST 2011 (1) Buffer strength configuration for MMC2 and MMC3: LB0 = 0. Table 6-128. MMC2 and MMC3 Interfaces Timing Requirements —High-Speed SDIO Mode(2) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX HSSD3 tsu(dV-clkH) Setup time, mmcx_cmd valid before mmcx_clk rising 3.4 23.8 ns clock edge HSSD4 th(clkH-dV) Hold time, mmcx_cmd valid after mmcx_clk rising 1.7 1.3 ns clock edge HSSD7 tsu(dV-clkH) Setup time, mmcx_dat[n:0](1) valid before mmcx_clk 3.4 23.8 ns rising clock edge HSSD8 th(clkH-dV) Hold time, mmcx_dat[n:0](1) valid after mmcx_clk rising 1.7 1.3 ns clock edge (1) In mmcx_dat[n:0], n is equal to 3 for mmc2 and 7 for mmc3. (2) See Section 4.3.4, Processor Clocks. Table 6-129. MMC2 and MMC3 Interfaces Switching Characteristics —High-Speed SDIO Mode(2) (5) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX HSSD1 tc(clk) Frequency(1), output mmcx_clk period 48 24 MHz HSSD2 tW(clkH) Typical pulse duration, output mmcx_clk high 0.5*P(3) 0.5*P(3) ns HSSD2 tW(clkL) Typical pulse duration, output mmcx_clk low 0.5*P(3) 0.5*P(3) ns tdc(clk) Duty cycle error, output mmcx_clk –1042 1042 –2083 2083 ps tJ(clk) Jitter standard deviation(4), output mmcx_clk –65 65 –65 65 ps HSSD5 td(clkL-doV) Delay time, mmcx_clk rising clock edge to mmcx_cmd 2.6 13.8 3 34.3 ns transition HSSD6 td(clkL-doV) Delay time, mmcx_clk rising clock edge to 2.6 13.8 3 34.3 ns mmcx_dat[n:0](2) transition (1) Related with the output mmcx_clk maximum and minimum frequency. (2) In mmcx, x = 2 or 3. In mmcx_dat[n:0], n is equal to 3 for mmc2 and 7 for mmc3. (3) P = output mmcx_clk period in ns. (4) The jitter probability density can be approximated by a Gaussian function. (5) See Section 4.3.4, Processor Clocks. Figure 6-73. MMC2 and MMC3 Interfaces —High-Speed SDIO Mode—Data/Command Receive(1) (1) In mmcx, x = 2 or 3. In mmcx_dat[n:0], n is equal to 3 for mmc2 and 7 for mmc3. Copyright © 2010–2011, Texas Instruments Incorporated Timing Requirements and Switching Characteristics 259 Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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