I2S Registers
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SWRU543–January 2019
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Inter-Integrated Sound (I2S) Multichannel Audio Serial Port
Table 12-23. XFMT Register Field Descriptions (continued)
Bit Field Type Reset Description
3 XBUSEL R/W 0h
Selects whether writes to serializer buffer XRBUF[n] originate from
the peripheral configuration port or the DMA port.
0h = Writes to XRBUF[n] originate on DMA port. Writes to XRBUF[n]
on the peripheral configuration port are ignored with no effect to the
McASP.
1h = Writes to XRBUF[n] originate on peripheral configuration port.
Writes to XRBUF[n] on the DMA port are ignored with no effect to
the McASP.
2-0 XROT R/W 0h
Right-rotation value for transmit rotate right format unit.
0h = Reserved
1h = Reserved
2h = Rotate right by 8 bit positions.
3h = Reserved
4h = Rotate right by 16 bit positions.
5h = Reserved
6h = Rotate right by 24 bit positions.
7h = Reserved
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