OMAP3515DCBC Datasheet, PDF (247/264 Pages) Texas Instruments – OMAP3515/03 Applications Processor

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OMAP3515/03 Applications Processor
SPRS505F – FEBRUARY 2008 – REVISED SEPTEMBER 2009
Table 6-139. MMC/SD/SDIO Switching Characteristics – Standard SD Mode (continued)
NO.
PARAMETER
SD2 t_W(clkL)
Typical pulse duration, output clk low
t_dc(clk)
t_j(clk)
Duty cycle error, output clk
Jitter standard deviation⁽⁶⁾, output clk
MMC/SD/SDIO Interface 1 (1.8 V IO)
SD5
t_c(clk)
t_W(clkH)
t_W(clkL)
t_dc(clk)
t_d(CLKOH-CMD)
Rise time, output clk
Fall time, output clk
Rise time, output data
Fall time, output data
Delay time, mmc1_clk rising clock edge to
mmc1_cmd transition
SD6 t_{d(CLKOH-DATx)} Delay time, mmc1_clk rising clock edge to
mmc1_datx transition
MMC/SD/SDIO Interface 1 (3.0 V IO)
SD5
t_c(clk)
t_W(clkH)
t_W(clkL)
t_dc(clk)
t_d(CLKOH-CMD)
Rise time, output clk
Fall time, output clk
Rise time, output data
Fall time, output data
Delay time, mmc1_clk rising clock edge to
mmc1_cmd transition
SD6 t_{d(CLKOH-DATx)} Delay time, mmc1_clk rising clock edge to
mmc1_datx transition
MMC/SD/SDIO Interface 2
SD5
t_c(clk)
t_W(clkH)
t_W(clkL)
t_dc(clk)
t_d(CLKOH-CMD)
Rise time, output clk
Fall time, output clk
Rise time, output data
Fall time, output data
Delay time, mmc2_clk rising clock edge to
mmc2_cmd transition
SD6 t_{d(CLKOH-DATx)} Delay time, mmc2_clk rising clock edge to
mmc2_datx transition
MMC/SD/SDIO Interface 3
SD5
t_c(clk)
t_W(clkH)
t_W(clkL)
t_dc(clk)
t_d(CLKOH-CMD)
Rise time, output clk
Fall time, output clk
Rise time, output data
Fall time, output data
Delay time, mmc3_clk rising clock edge to
mmc3_cmd transition
SD6 t_{d(CLKOH-DATx)} Delay time, mmc3_clk rising clock edge to
mmc3_datx transition
1.15 V
MIN
Y ⁽⁵⁾*PO⁽⁴⁾
MAX
2083.3
200
1.0 V
MIN
Y ⁽⁵⁾*PO ⁽⁴⁾
MAX
4166.7
200
10
10
10
10
10
10
10
10
6.1
35.5
6.3
77
6.1
35.5
6.3
77
10
10
10
10
10
10
10
10
6.1
35.5
6.3
77
6.1
35.5
6.3
77
10
10
10
10
10
10
10
10
6.1
35.5
6.3
77
6.1
35.5
6.3
77
10
10
10
10
10
10
10
10
6.1
35.5
6.3
77
6.1
35.5
6.3
77
(5) The Y parameter is defined as shown in Table 6-141.
(6) The jitter probability density can be approximated by a Gaussian function.
UNIT
ns
ps
ps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLKD
1 or Even
Odd
Table 6-140. X Parameter
X
0.5
(trunk[CLKD/2]+1)/CLKD
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TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 247