Datasheet
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DATASIZE[2:0] Name Description
0x3 18 18 bits
0x4 16 16 bits
0x5 16C 16 bits compact stereo
0x6 8 8 bits
0x7 8C 8 bits compact stereo
Bit 7 – SLOTADJ Data Slot Formatting Adjust
This field defines left or right adjustment of data samples in the slot.
SLOTADJ Name Description
0x0 RIGHT Data is right adjusted in slot
0x1 LEFT Data is left adjusted in slot
Bit 5 – CLKSEL Clock Unit Selection.
CLKSEL Name Description
0x0 CLK0 Use Clock Unit 0
0x1 CLK1 Use Clock Unit 1
Bit 4 – TXSAME Transmit Data when Underrun.
TXSAME Name Description
0x0 ZERO Zero data transmitted in case of underrun
0x1 SAME Last data transmitted in case of underrun
Bits 3:2 – TXDEFAULT[1:0] Line Default Line when Slot Disabled
This field defines the default value driven on the SDn output pin during all disabled Slots.
TXDEFAULT[1:0] Name Description
0x0 ZERO Output Default Value is 0
0x1 ONE Output Default Value is 1
0x2 Reserved
0x3 HIZ Output Default Value is high impedance
Bits 1:0 – SERMODE[1:0] Serializer Mode.
SERMODE[1:0] Name Description
0x0 RX Receive
0x1 TX Transmit
SAM D21 Family
I2S - Inter-IC Sound Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 658