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MCIMX503CVM8B Datasheet(PDF) 77 Page - Freescale Semiconductor, Inc

Part # MCIMX503CVM8B
Description  i.MX50 Applications Processors for Consumer Products
PDF  134 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MCIMX503CVM8B Datasheet(HTML) 77 Page - Freescale Semiconductor, Inc

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Electrical Characteristics
i.MX50 Applications Processors for Consumer Products, Rev. 2
Freescale Semiconductor
77
4.9.3
Enhanced Secured Digital Host Controller (eSDHCv2/v3) and uSDHC
AC Timing
This section describes the electrical information of the eSDHCv2/v3 and the uSDHC, which includes
SD/eMMC4.3 (Single Data Rate) timing and eMMC4.4 (Dual Date Rate) timing.
4.9.3.1
SD/eMMC4.3 (Single Data Rate) eSDHCv3 and uSDHC AC Timing
Figure 36 depicts the timing of SD/eMMC4.3, and Table 53 lists the SD/eMMC4.3 timing characteristics.
Figure 36. SD/eMMC4.3 Timing
Table 53. SD/eMMC4.3 Interface Timing Specification
ID
Parameter
Symbols
Min
Max
Unit
Card Input Clock
SD1
Clock Frequency (Low Speed)
fPP
1
0400
kHz
Clock Frequency (SD/SDIO Full Speed/High Speed)
fPP
2
0
25/50
MHz
Clock Frequency (MMC Full Speed/High Speed)
fPP
3
0
20/52
MHz
Clock Frequency (Identification Mode)
fOD
100
400
kHz
SD2
Clock Low Time
tWL
7—
ns
SD3
Clock High Time
tWH
7—
ns
SD4
Clock Rise Time
tTLH
—3
ns
SD5
Clock Fall Time
tTHL
—3
ns
SD1
SD3
SD5
SD4
SD7
CMD
output from eSDHCv2 to card
DAT1
......
DAT7
DAT0
CMD
input from card to eSDHCv2
DAT1
......
DAT7
DAT0
SCK
SD2
SD8
SD6



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