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TDA2EG Datasheet, PDF (308/393 Pages) Texas Instruments – SoC for Advanced Driver Assistance Systems (ADAS) 23mm Package (ABC Package) Silicon Revision 2.0
TDA2EG
SPRS958B – MARCH 2016 – REVISED JANUARY 2017
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Table 7-117. Switching Characteristics for MMC4 - High Speed Mode (2) (continued)
NO.
HS2L
PARAMETER
tw(clkL)
DESCRIPTION
Pulse duration, mmc4_clk low
HS5
td(clkL-cmdV)
Delay time, mmc4_clk falling clock edge to mmc4_cmd transition
HS6 td(clkL-dV)
Delay time, mmc4_clk falling clock edge to mmc4_dat[i:0] transition
(1) P = output mmc4_clk period in ns
(2) i in [i:0] = 3
MIN
0.5*P-
0.270 (1)
-8.8
-8.8
MAX
6.6
6.6
UNIT
ns
ns
ns
mmcj_clk
mmcj_cmd
mmcj_dat[i:0]
HS1
HS2L
HS3
HS7
HS2H
HS4
HS8
Figure 7-78. MMC/SD/SDIOj in - High Speed - Receiver Mode
SPRS906_TIMING_MMC3_09
mmcj_clk
mmcj_cmd
mmcj_dat[i:0]
HS1
HS2H
HS2L
HS5
HS5
HS6
HS6
Figure 7-79. MMC/SD/SDIOj in - High Speed - Transmitter Mode
SPRS906_TIMING_MMC3_10
7.23.3.3 MMC3 and MMC4, SD and SDIO SDR12 Mode
Figure 7-80, Figure 7-81, and Table 7-118, through Table 7-121 present Timing requirements and
Switching characteristics for MMC3 and MMC4 - SD and SDIO SDR12 in receiver and transmitter mode.
Table 7-118. Timing Requirements for MMC3 - SDR12 Mode (1)
NO. PARAMETER
SDR125 tsu(cmdV-clkH)
SDR126 th(clkH-cmdV)
SDR127 tsu(dV-clkH)
SDR128 th(clkH-dV)
(1) i in [i:0] = 7
DESCRIPTION
Setup time, mmc3_cmd valid before mmc3_clk rising clock edge
Hold time, mmc3_cmd valid after mmc3_clk rising clock edge
Setup time, mmc3_dat[i:0] valid before mmc3_clk rising clock edge
Hold time, mmc3_dat[i:0] valid after mmc3_clk rising clock edge
MIN
25.99
1.6
25.99
1.6
MAX
UNIT
ns
ns
ns
ns
Table 7-119. Switching Characteristics for MMC3 - SDR12 Mode (2)
NO. PARAMETER
SDR120 fop(clk)
SDR121 tw(clkH)
DESCRIPTION
Operating frequency, mmc3_clk
Pulse duration, mmc3_clk high
MIN
0.5*P-
0.270 (1)
MAX
24
UNIT
MHz
ns
308 Timing Requirements and Switching Characteristics
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