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MPC5125 Datasheet(PDF) 68 Page - Freescale Semiconductor, Inc

Part # MPC5125
Description  MPC5125 Microcontroller
PDF  94 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC5125 Datasheet(HTML) 68 Page - Freescale Semiconductor, Inc

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MPC5125 Microcontroller Data Sheet, Rev. 4
Electrical and Thermal Characteristics
Freescale Semiconductor
68
4.3.10
MMC/SD/SDIO Card Host Controller (SDHC)
Figure 32 depicts the timings of the SDHC.
Figure 32. SDHC Timing Diagram
Table 34 lists the timing parameters.
.
Table 34. MMC/SD Interface Timing Parameters
ID
Parameter
Symbols
Min
Max
Unit
SpecID
Card Input Clock
SD1
Clock frequency (low speed)
fPP
1
NOTES:
1 In low speed mode, card clock must be lower than 400 kHz, voltage ranges from 2.7 to 3.6 V.
0400
kHz
A14.1
Clock frequency (SD/SDIO full speed/high speed)
fPP
2
2 In normal data transfer mode for SD/SDIO card, clock frequency can be any value between 0–25 MHz.
0
25/50
MHz
A14.2
Clock frequency (MMC full speed/high speed)
fPP
3
3 In normal data transfer mode for MMC card, clock frequency can be any value between 0–20 MHz.
0
20/52
MHz
A14.3
Clock frequency (identification mode)
fOD
4
100
400
kHz
A14.4
SD2
Clock low time (full speed/high speed)
tWL
10/7
ns
A14.5
SD3
Clock high time (full speed/high speed)
tWH
10/7
ns
A14.6
SD4
Clock rise time (full speed/high speed)
tTLH
10/3
ns
A14.7
SD5
Clock fall time (full speed/high speed)
tTHL
10/3
ns
A14.8
SDHC Output / Card Inputs CMD, DAT (Reference to CLK)
SD6
SDHC output delay
tOD
TH – 3 5
TH + 3
ns
A14.9
SDHC Input / Card Outputs CMD, DAT (Reference to CLK)
SD7
SDHC input setup time
tISU
2.5
ns
A14.10
SD8
SDHC input hold time
tIH
2.5
ns
A14.11
SD1
SD3
SD5
SD7
SD4
SD8
MMCx_CMD
Output from SDHC to card MMCx_DAT_1
MMCx_DAT_2
MMCx_DAT_3
MMCx_DAT_0
MMCx_CMD
Input from card to SDHC MMCx_DAT_1
MMCx_DAT_2
MMCx_DAT_3
MMCx_DAT_0
MMCx_CLK
SD2
SD6



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