CFIFOCTR

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Interpret as CFIFOCTR

BVAL=0, BCLR=0, FRDY=0

CFIFO Port Control Register

DTLN	Receive Data LengthIndicates the length of the receive data.
FRDY	FIFO Port Ready 0 (0): FIFO port access is disabled. 1 (1): FIFO port access is enabled.
BCLR	CPU Buffer Clear 0 (0): Invalid 1 (1): Clears the buffer memory on the CPU side
BVAL	Buffer Memory Valid Flag 0 (0): Invalid 1 (1): Writing ended

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