Datasheet

51.9.7 Tx Serializer Control
Name: TXCTRL
Offset: 0x20
Reset: 0x00000000
Property: Enable-Protected, Write-Protection
Bit 31 30 29 28 27 26 25 24
DMA MONO
Access
R/W R/W
Reset 0 0
Bit 23 22 21 20 19 18 17 16
SLOTDIS7 SLOTDIS6 SLOTDIS5 SLOTDIS4 SLOTDIS3 SLOTDIS2 SLOTDIS1 SLOTDIS0
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8
BITREV EXTEND[1:0] WORDADJ DATASIZE[2:0]
Access
R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
SLOTADJ TXSAME TXDEFAULT[1:0]
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bit 25 – DMA Single or Multiple DMA Channels
This bit selects whether even-numbered and odd-numbered slots use separate DMA channels or the
same DMA channel.
DMA Name Description
0x0 SINGLE Single DMA channel
0x1 MULTIPLE One DMA channel per data channel
Bit 24 – MONO Mono Mode.
MONO Name Description
0x0 STEREO Normal mode
0x1 MONO Left channel data is duplicated to right channel
Bits 16, 17, 18, 19, 20, 21, 22, 23 – SLOTDISx Slot x Disabled for this Serializer [x=7..0]
This field allows disabling some slots in each transmit frame:
Value Description
0
Slot x is used for data transfer.
1
Slot x is not used for data transfer and will be output as specified in the TXDEFAULT field.
SAM D5x/E5x Family Data Sheet
I2S - Inter-IC Sound Controller
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1917