adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 68
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adsp-bf548
Manufacturer Part Number
adsp-bf548
Description
Blackfin Embedded Processor
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADSP-BF548.pdf
(88 pages)
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Table 46. SD/SDIO Controller Timing (High Speed Mode)
Parameter
Timing Requirements
t
t
Switching Characteristics
f
t
t
t
t
t
t
PP
ISU
IH
WL
WH
TLH
THL
ODLY
OH
Input Setup Time
Input Hold Time
Clock Frequency Data Transfer Mode
Clock Low Time
Clock High Time
Clock Rise Time
Clock Fall Time
Output Delay Time During Data Transfer Mode
Output Hold Time
1 Input includes SD_Dx and SD_CMD
2 Output includes SD_Dx and SD_CMD
SD_CLK
OUTPUT
INPUT
1
2
t THL
Figure 37. SD/SDIO Controller Timing (High-Speed Mode)
Rev. A | Page 68 of 88 | October 2008
t ODLY
t WL
1.5 V
t ISU
t PP
t TLH
t IH
t WH
t OH
Min
7.2
2
0
9.5
9.5
2.5
Max Unit
40
3
3
2
ns
ns
ns
ns
ns
ns
ns
ns
MHz
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