SDI Technologies SDIO Card User Manual
Page 31
©Copyright 2002-2006 SD Card Association
SDIO Card Bluetooth Type-A Simplified Specification Version 1.00
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5.3.3 Read Flow for the Card with Necessary Read Acknowledge (RTC=0) – No Error
(Byte Basis Transfer Mode)
Figure 15 – Read Flow for the Card with Necessary Read Acknowledge (RTC=0) – No Error
(Byte Basis Transfer Mode)
CMD
DAT
Packet Data n
Packet Data (n+1)
Packet Data (n+2)
CMD
DAT2, 3
R
R
R
DAT1
Interrupt
DAT0
Data+CRC
Data+CRC
Data+CRC
R
Data+CRC
Data+CRC
Data+CRC
Interface data1
Header
Interface data2
PCRRT: Packet Read Retry
R: Response
Data
+CRC
Data
+CRC
Data
+CRC
R
Int
Int
Int
Int. clr
Int. clr
Int. clr
send Ack.
send Ack.
send Ack.
Send Acknowledge
52
52
53
53
53
52
52
53
53
53
52
52
CMD52 (W)
Int. Clear
CMD53 (R)
Receive Buff.
CMD53 (R)
Receive Buff.
CMD53 (R)
Receive Buff.
CMD52 (W)
PCRRT -> 0
D
D
D
D
D
D
D
D
D
53
53
53