User's Manual

Page 10/11
SDIO Protocol Timing Diagram—High Speed Mode
SDIO Timing Data
Symbol
Parameter
Condition
Min
Typ
Max
Units
F
PP
Clock Frequency
Normal
0
-
25
MHz
High Speed
0
-
50
MHz
T
WL
Clock Low Time
Normal
10
-
-
ns
High Speed
7
-
-
ns
T
WH
Clock High Time
Normal
10
-
-
ns
High Speed
7
-
-
ns
T
ISU
Input Setup Time
Normal
5
-
-
ns
High Speed
6
-
-
ns
T
IH
Input Hold Time
Normal
5
-
-
ns
High Speed
2
-
-
ns
T
ODLY
Output Delay Time
-
-
-
7.33
ns
T
OH
Output Hold Time
High Speed
2.5
-
-
ns