Texas Instruments CC3235 SimpleLink Series - XFMT Register; XFMT Register Field Descriptions

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SWRU543–January 2019
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Inter-Integrated Sound (I2S) Multichannel Audio Serial Port
12.5.18 XFMT Register (Offset = A8h) [reset = 0h]
XFMT is shown in Figure 12-21 and described in Table 12-23.
Return to Summary Table.
The transmit bit stream format register (XFMT) configures the transmit data format.
Figure 12-21. XFMT Register
31 30 29 28 27 26 25 24
RESERVED
R-0h
23 22 21 20 19 18 17 16
RESERVED XDATDLY
R-0h R/W-0h
15 14 13 12 11 10 9 8
XRVRS RESERVED
R/W-0h R-0h
7 6 5 4 3 2 1 0
XSSZ XBUSEL XROT
R/W-0h R/W-0h R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 12-23. XFMT Register Field Descriptions
Bit Field Type Reset Description
31-18 RESERVED R 0h
Reserved. The reserved bit location always returns the default value.
A value written to this field has no effect. If writing to this field,
always write the default value for future device compatibility.
17-16 XDATDLY R/W 0h
Transmit sync bit delay.
15 XRVRS R/W 0h
Transmit serial bitstream order.
0h = Reserved
1h = Bitstream is MSB first. Bit reversal is performed in receive
format bit reverse unit.
14-8 RESERVED R 0h
Reserved. The reserved bit location always returns the default value.
A value written to this field has no effect. If writing to this field,
always write the default value for future device compatibility.
7-4 XSSZ R/W 0h
Transmit slot size. 0-2h = Reserved
3h = Slot size is 8 bits.
4h = Reserved
5h = Reserved
6h = Reserved
7h = Slot size is 16 bits.
8h = Reserved
9h = Reserved
Ah = Reserved
Bh = Slot size is 24 bits
Ch = Reserved
Dh = Reserved
Eh = Reserved
Fh = Reserved