EFM32WG Datasheet, PDF (490/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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17.5.24 USARTn_I2SCTRL - I2S Control Register
Offset
0x05C
Reset
Access
Bit Position
Name
Bit
31:11
10:8
7:5
4
3
2
1
0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
FORMAT
0x0
RW
Configure the data-width used internally for I2S data
I2S Word Format
Value
0
1
2
3
4
5
6
7
Mode
W32D32
W32D24M
W32D24
W32D16
W32D8
W16D16
W16D8
W8D8
Description
32-bit word, 32-bit data
32-bit word, 32-bit data with 8 lsb masked
32-bit word, 24-bit data
32-bit word, 16-bit data
32-bit word, 8-bit data
16-bit word, 16-bit data
16-bit word, 8-bit data
8-bit word, 8-bit data
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
DELAY
0
RW
Delay on I2S data
Set to add a one-cycle delay between a transition on the word-clock and the start of the I2S word. Should be set for standard I2S format
DMASPLIT
0
RW
Separate DMA Request For Left/Right Data
When set DMA requests for right-channel data are put on the TXBLRIGHT and RXDATAVRIGHT DMA requests.
JUSTIFY
0
RW
Justification of I2S Data
Determines whether the I2S data is left or right justified
Value
0
1
Mode
LEFT
RIGHT
Description
Data is left-justified
Data is right-justified
MONO
0
RW
Switch between stereo and mono mode. Set for mono
EN
0
RW
Set the U(S)ART in I2S mode.
Stero or Mono
Enable I2S Mode
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
490
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