I2S Registers
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SWRU543–January 2019
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Inter-Integrated Sound (I2S) Multichannel Audio Serial Port
12.5.5 RFIFOSTS Register (Offset = 1Ch) [reset = 0h]
RFIFOSTS is shown in Figure 12-8 and described in Table 12-10.
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Figure 12-8. RFIFOSTS Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RESERVED RLVL
R-0h R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 12-10. RFIFOSTS Register Field Descriptions
Bit Field Type Reset Description
31-8 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.
7-0 RLVL R 0h
Read level (read-only). Number of 32-bit words currently in the Read
FIFO.
0h = 0 words currently in Read FIFO.
1h = 1 word currently in Read FIFO.
2h = 2 words currently in Read FIFO.
3h - 40h = 3 to 64 words currently in Read FIFO.
41h - FFh = Reserved
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