Data Sheet

18
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.
Default Speed, High-Speed Modes
SDIO Protocol Timing Diagram – Default Speed Mode (3.3V)
SDIO Protocol Timing Diagram – High Speed Mode (3.3V)
SDIO Timing Data- Default Speed, High-Speed Modes (3.3V)
Symbol
Parameter
Condition
Min
Max
Unit
s
f
pp
CLK Frequency
Normal
0
25
MHz
High Speed
0
50
t
WL
CLK low Time
Normal
10
-
ns
High Speed
7
-
t
WH
CLK High Time
Normal
10
-
High Speed
7
-
t
ISU
Input Setup Time
Normal
5
-
High Speed
6
-