User's Manual

SSD50NBT
Hardware Integration Guide
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http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
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Figure 4: SDIO Default Mode Timing
Note: Timing is based on CL ≤ 40 pF load on CMD and Data.
Table 17: SDIO Timing Requirements
Symbol
Parameter
Min.
Typ.
Max.
Unit
fPP
Frequency – Data Transfer mode
0
-
50
MHz
tWL
Clock low time
7
-
-
ns
tWH
Clock high time
7
-
-
ns
tTLH
Clock rise time
-
-
10
ns
tTHL
Clock low time
-
-
10
ns
Inputs: CMD, DAT (referenced to CLK)
tISU
Input setup time
6
-
-
ns
tIH
Input hold time
2
-
-
ns
Outputs: CMD, DAT (referenced to CLK)
tODLY
Output delay time – Data Transfer mode
0
-
14
ns