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AM6421 Datasheet(PDF) 184 Page - Texas Instruments

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Part # AM6421
Description  AM64x Sitara Processors
PDF  237 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM6421 Datasheet(HTML) 184 Page - Texas Instruments

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MMCi CLK
_
MMCi CMD
_
MMCi DATj
_
[ :0]
DDR500
DDR501
DDR502
DDR505
DDR506
DDR508
DDR507
DDR507
DDR508
MMC1_13
Figure 7-73. MMC1 – UHS-I DDR50 – Receive Mode
Table 7-76. Switching Characteristics for MMC1 – UHS-I DDR50 Mode
see Figure 7-74
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
fop(clk)
Operating frequency, MMC1_CLK
50
MHz
DDR500
tc(clk)
Cycle time, MMC1_CLK
20
ns
DDR501
tw(clkH)
Pulse duration, MMC1_CLK high
9.2
ns
DDR502
tw(clkL)
Pulse duration, MMC1_CLK low
9.2
ns
DDR503
td(clk-cmdV)
Delay time, MMC1_CLK rising edge to MMC1_CMD transition
1.2
13.1
ns
DDR504
td(clk-dV)
Delay time, MMC1_CLK transition to MMC1_DAT[3:0] transition
1.2
6.35
ns
MMCi CLK
_
MMCi CMD
_
MMCi DATj
_
[ :0]
DDR500
DDR501
DDR502
DDR503(max)
DDR503(min)
DDR504(max)
DDR504(min)
DDR504(min)
DDR504(max)
MMC1_14
Figure 7-74. MMC1 – UHS-I DDR50 – Transmit Mode
7.10.5.12.2.7 UHS–I SDR104 Mode
Table 7-77, and Figure 7-75 present switching characteristics for MMC1 – UHS-I SDR104 Mode.
Table 7-77. Switching Characteristics for MMC1 – UHS-I SDR104 Mode
see Figure 7-75
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
fop(clk)
Operating frequency, MMC1_CLK
200
MHz
SDR1041
tc(clk)
Cycle time, MMC1_CLK
5
ns
SDR1042H tw(clkH)
Pulse duration, MMC1_CLK high
2.08
ns
SDR1042L tw(clkL)
Pulse duration, MMC1_CLK low
2.08
ns
SDR1045
td(clkL-cmdV)
Delay time, MMC1_CLK rising edge to MMC1_CMD transition
1.12
3.16
ns
SDR1046
td(clkL-dV)
Delay time, MMC1_CLK rising edge to MMC1_DAT[3:0] transition
1.12
3.16
ns
AM6442, AM6441, AM6421
AM6412, AM6411
SPRSP56 – JANUARY 2021
www.ti.com
184
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411



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