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SDI Technologies SDIO Card Manual Do Utilizador

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©Copyright 2000-2007 SD Card Association  
SDIO Simplified Specification Version 2.00 
 6 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CMD5 Arg=0
Check Response
CMD5 Arg=WV
Check Response
A
Power On
NF=0 or OCR invalid
NF>0 & OCR valid
IORDY=0
1sec Timeout
Unusable card
(Inactive State)
IORDY=1
CMD8
Check Response
F8=1
F8=0
Unusable card
CMD0 Pin1=High
Test IO Flag
CMD52 IO Reset
No Response
Error Response
Good Response
Re-init IO
Skip IO Initialize or IO=1
Execute IO Initialize & IO=0
Test MP Flag
No Response
B
IO=1
MP=1
MP=0
IO=0
IO=0, MEM=0
No Response
Re-init Memory
MEM=0
IO Initialized
Get IO OCR
Set New Voltage (if needed)
CMD8 is required to support 
High Capacity Memory.
CMD5 Arg=0
Check Response
CMD5 Arg=WV
Check Response
A
Power On
NF=0 or OCR invalid
NF>0 & OCR valid
IORDY=0
1sec Timeout
Unusable card
(Inactive State)
IORDY=1
CMD8
Check Response
F8=1
F8=0
Unusable card
CMD0 Pin1=High
Test IO Flag
CMD52 IO Reset
No Response
Error Response
Good Response
Re-init IO
Skip IO Initialize or IO=1
Execute IO Initialize & IO=0
Test MP Flag
No Response
B
IO=1
MP=1
MP=0
IO=0
IO=0, MEM=0
No Response
Re-init Memory
MEM=0
IO Initialized
Get IO OCR
Set New Voltage (if needed)
CMD8 is required to support 
High Capacity Memory.