DCTRL

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Interpret as DCTRL

data control register

DTEN	DTEN
DTDIR	Data transfer direction selection
DTMODE	Data transfer mode selection
DBLOCKSIZE	Data block size
RWSTART	Read wait start
RWSTOP	Read wait stop
RWMOD	Read wait mode
SDIOEN	SD I/O enable functions
BOOTACKEN	Enable the reception of the boot acknowledgment
FIFORST	FIFO reset, will flush any remaining data

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