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McASP Registers
Table 22-26. Receive Bit Stream Format Register (RFMT) Field Descriptions (continued)
Bit Field Value Description
7-4 RSSZ 0-Fh Receive slot size.
0-2h Reserved
3h Slot size is 8 bits.
4h Reserved
5h Slot size is 12 bits.
6h Reserved
7h Slot size is 16 bits.
8h Reserved
9h Slot size is 20 bits.
Ah Reserved
Bh Slot size is 24 bits
Ch Reserved
Dh Slot size is 28 bits.
Eh Reserved
Fh Slot size is 32 bits.
3 RBUSEL Selects whether reads from serializer buffer XRBUF[n] originate from the configuration bus (CFG) or the
data (DAT) port.
0 Reads from XRBUF[n] originate on data port. Reads from XRBUF[n] on configuration bus are ignored.
1 Reads from XRBUF[n] originate on configuration bus. Reads from XRBUF[n] on data port are ignored.
2-0 RROT 0-7h Right-rotation value for receive rotate right format unit.
0 Rotate right by 0 (no rotation).
1h Rotate right by 4 bit positions.
2h Rotate right by 8 bit positions.
3h Rotate right by 12 bit positions.
4h Rotate right by 16 bit positions.
5h Rotate right by 20 bit positions.
6h Rotate right by 24 bit positions.
7h Rotate right by 28 bit positions.
3851
SPRUH73H–October 2011–Revised April 2013 Multichannel Audio Serial Port (McASP)
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