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MMC/SD/SDIO HOST CONTROLLER S3C2410A
19-12
SDI Data Status (SDIDSTA) Register
Register Address R/W Description Reset Value
SDIDSTA 0x5A000034 R/(W) SDI data status register 0x0
SDIDSTA Bit Description Initial Value
Read Wait
Request Occur
(RWaitReq)
[10]
R/W
Read wait request signal transmits to SD card. The request signal
is stopped and this flag is cleared by setting one to this bit.(for
SDIO)
0 = not occur, 1 = Read wait request occur
0
SDIO Interrupt
Detect (IOIntDet)
[9]
R/W
SDIO interrupt detects. This flag is cleared by setting one to this
bit.(for SDIO)
0 = not detect, 1 = SDIO interrupt detect
0
FIFO Fail error
(FFfail)
[8]
R/W
FIFO fail error when FIFO occurs overrun / underrun / misaligned
data saving. This flag is cleared by setting one to this bit.
0 = not detect, 1 = FIFO fail
0
CRC Status Fail
(CrcSta)
[7]
R/W
CRC Status error when data block sent (CRC check failed -
returned from card). This flag is cleared by setting one to this bit.
0 = not detect, 1 = crc status fail
0
Data Receive CRC
Fail (DatCrc)
[6]
R/W
Data block received error (CRC check failed - calculated by host).
This flag is cleared by setting one to this bit.
0 = not detect, 1 = receive crc fail
0
Data Time Out
(DatTout)
[5]
R/W
Data / Busy receive timeout. This flag is cleared by setting one to
this bit.
0 = not detect, 1 = timeout
0
Data Transfer Finish
(DatFin)
[4]
R/W
Data transfer completes (data counter is zero). This flag is cleared
by setting one to this bit.
0 = not detect, 1 = data finish detect
0
Busy Finish
(BusyFin)
[3]
R/W
Only busy check finish. This flag is cleared by setting one to this
bit.
0 = not detect, 1 = busy finish detect
0
Reserved [2] 0
Tx Data progress
On (TxDatOn)
[1]
R
Data transmit in progress.
0 = not active, 1 = data Tx in progress
0
Rx Data Progress
On (RxDatOn)
[0]
R
Data receive in progress.
0 = not active, 1 = data Rx in progress
0