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TDA4VM21 Datasheet(PDF) 269 Page - Texas Instruments

Part # TDA4VM21
Description  TDA4VM Processors
PDF  331 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TDA4VM21 Datasheet(HTML) 269 Page - Texas Instruments

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6.9.5.19.1.4 HS200 Mode
Table 6-85 and Figure 6-96 present switching characteristics for MMC0 – HS200 Mode.
Table 6-85. MMC0 Switching Characteristics – HS200 Mode
see Figure 6-96
NO.
PARAMETER
MIN
MAX
UNIT
fop(clk)
Operating frequency, MMC0_CLK
200
MHz
HS2005
tc(clk)
Cycle time, MMC0_CLK
5
ns
HS2006
tw(clkH)
Pulse duration, MMC0_CLK high
2.08
ns
HS2007
tw(clkL)
Pulse duration, MMC0_CLK low
2.08
ns
HS2008
td(clkL-cmdV)
Delay time, MMC0_CLK rising edge to MMC0_CMD transition
1.12
3.16
ns
HS2009
td(clkL-dV)
Delay time, MMC0_CLK rising edge to MMC0_DAT[7:0] transition
1.12
3.16
ns
Figure 6-96. MMC0 – HS200 Mode – Transmit Mode
6.9.5.19.2 MMC1/2 - SD/SDIO Interface
MMC1 and MMC2 interfaces are compliant with the SD Host Controller Standard Specification 4.10 and SD
Physical Layer Specification v3.01 as well as SDIO Specification v3.00 and they support the following SD Card
applications:
• Default speed
• High speed
• UHS–I SDR12
• UHS–I SDR25
• UHS–I SDR50
• UHS–I SDR104
• UHS–I DDR50
Table 6-86 presents the required DLL software configuration settings for MMC1 timing modes.
Table 6-86. MMC1/2 DLL Delay Mapping for All Timing Modes
REGISTER NAME
MMCSD12_SS_PHY_CTRL_4_REG
MMCSD12_SS_PHY_CTRL_5_REG
BIT FIELD
[20]
[15:12]
[8]
[4:0]
[2:0]
BIT FIELD NAME
OTAPDLYENA OTAPDLYSEL ITAPDLYENA
ITAPDLYSEL
CLKBUFSEL
MODE
DESCRIPTION
DELAY
ENABLE
DELAY
VALUE
INPUT
DELAY
ENABLE
INPUT
DELAY
VALUE
DELAY
BUFFER
DURATION
Default
Speed
4-bit PHY operating
3.3 V, 25 MHz
0x1
0x1
0x0
0x0
0x7
High
Speed
4-bit PHY operating
3.3 V, 50 MHz
0x1
0x1
0x0
0x0
0x7
UHS-I
SDR12
4-bit PHY operating
1.8 V, 25 MHz
0x1
0xF
0x0
0x0
0x7
UHS-I
SDR25
4-bit PHY operating
1.8 V, 50 MHz
0x1
0xF
0x0
0x0
0x7
www.ti.com
TDA4VM-Q1, TDA4VM
SPRSP36K – SEPTEMBER 2021 – REVISED APRIL 2024
Copyright © 2024 Texas Instruments Incorporated
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Product Folder Links: TDA4VM-Q1 TDA4VM



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