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AM3703CUS Datasheet(PDF) 262 Page - Texas Instruments |
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AM3703CUS Datasheet(HTML) 262 Page - Texas Instruments |
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262 / 280 page  SWPS038-099 mmc1_clk mmc1_cmd mmc1_dat[n:0] SD1 SD2 SD5 SD6 SD5 SD6 AM3715, AM3703 SPRS616F – JUNE 2010 – REVISED AUGUST 2011 www.ti.com Figure 6-76. MMC2 and MMC3 Interfaces —Standard SDIO Mode—Data/Command Transmit(1) (1) In mmcx, x is equal to 2 or 3. In mmcx_dat[n:0] is equal to 3 for MMC2 and 7 for MMC3. 6.6.8.1.9 MMC2 and MMC3 Interfaces —Embedded Media Interface (eMMC)—High-Speed JC64 Mode Table 6-134 and Table 6-135 assume testing over the recommended operating conditions and electrical characteristic conditions below (see Figure 6-77 through Figure 6-78). Table 6-133. MMC2 and MMC3 Interfaces Timing Conditions —High-Speed JC64 Mode TIMING CONDITION PARAMETER VALUE UNIT MIN MAX Input Conditions tR Input signal rise time 0.38 3.82 ns tF Input signal fall time 0.39 3.68 ns Output Condition CLOAD Output load capacitance(1) 14 pF (1) Buffer strength configuration for MMC3: LB0 = 1. Table 6-134. MMC2 and MMC3 Interfaces Timing Requirements —High-Speed JC64 Mode(1) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX MMC3 tsu(cmdV-clkH) Setup time, input command mmcx_cmd valid before 5.1 25.5 ns output clock mmcx_clk rising edge MMC4 th(clkH-cmdIV) Hold time, input command mmcx_cmd valid after 1.3 0.9 ns output clock mmcx_clk rising edge MMC7 tsu(dV-clkH) Setup time, input data mmcx_dat[n:0] valid before 5.1 25.5 ns output clock mmcx_clk rising edge MMC8 th(clkH-dIV) Hold time, input data mmcx_dat[n:0] valid after output 1.3 0.9 ns clock mmcx_clk rising edge (1) In mmx_dat[n:0], x is equal to 2 or 3 and n is equal to 7. (2) In mmx_cmd, x is equal to 2 or 3. (3) In mmx_clk, x is equal to 2 or 3. Table 6-135. MMC2 and MMC3 Interfaces Switching Characteristics —High-Speed JC64 Mode(5) (6)(7) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX MMC1 1/tc(clk) Frequency(1), output mmcx_clk period 48 24 MHz MMC2 tW(clkH) Typical pulse duration, output mmcx_clk high 0.5*P(2) 0.5*P(2) ns MMC2 tW(clkL) Typical pulse duration, output mmcx_clk low 0.5*P(2) 0.5*P(2) ns tdc(clk) Duty cycle error, output mmcx_clk –1042 1042 –2083 2083 ps tJ(clk) Jitter standard deviation(3), output mmcx_clk –65 65 –65 65 ps tR(clk) Rising time, output mmcx_clk 2263 2263 ps tF(clk) Falling time, output mmcx_clk 2136 2136 ps 262 Timing Requirements and Switching Characteristics Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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