User's Manual

- 8 -
SDIO Timing Data
Symbol Parameter Condition Min Typ Max Units
f
pp
CLK Frequency
Normal 0 25
MHz
High Speed 0 75
T
WH
CLK High Time
Normal 10
ns
High Speed 7
T
WL
CLK Low Time
Normal 10
High Speed 7
T
ISU
Input Setup Time
Normal 5
High Speed 6
T
IH
Input Hold Time
Normal 5
High Speed 2
T
ODLY
Output Delay Time 0 7.33
T
OH
Output Hold Time High Speed 2.5
2-5. Pin Out Power Supply Use
VIO
PDn
SD_CLK
SD_CMD
SD_DAT[1]
SD_DAT[2]
SD_DAT[3]
WiFi_LED
BT_LED