Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
594
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
z
Bit 24 – MONO: Mono Mode. Refer to
for details.
Table 28-13. Mono Mode
z
Bits 23:16 – SLOTDISx [x=7..0]: Slot x Disabled for this Serializer
This field allows disabling some slots in each transmit frame:
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.
This field allows disabling some slots in each transmit frame:
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.
z
Bit 15 – BITREV: Data Formatting Bit Reverse
This bit allows changing the order of data bits in the word in the Formatting Unit. Refer to
This bit allows changing the order of data bits in the word in the Formatting Unit. Refer to
for details.
Table 28-14. Data Formatting Bit Reverse
z
Bits 14:13 – EXTEND[1:0]: Data Formatting Bit Extension
This field defines the bit value used to extend data samples in the Formatting Unit. Refer to
This field defines the bit value used to extend data samples in the Formatting Unit. Refer to
for details.
Table 28-15. Data Formatting Bit Extension
z
Bit 12 – WORDADJ: Data Word Formatting Adjust
This field defines left or right adjustment of data samples in the word in the Formatting Unit. Refer to
This field defines left or right adjustment of data samples in the word in the Formatting Unit. Refer to
for details.
Table 28-16. Data Word Formatting Adjust
z
Bit 11 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
MONO
Name
Description
0x0
STEREO
Normal mode
0x1
MONO
Left channel data is duplicated to right channel
BITREV
Name
Description
0x0
MSBIT
Transfer Data Most Significant Bit (MSB) first (default for I2S
protocol)
protocol)
0x1
LSBIT
Transfer Data Least Significant Bit (LSB) first
EXTEND[1:0]
Name
Description
0x0
ZERO
Extend with zeros
0x1
ONE
Extend with ones
0x2
MSBIT
Extend with Most Significant Bit
0x3
LSBIT
Extend with Least Significant Bit
WORDADJ
Name
Description
0x0
RIGHT
Data is right adjusted in word
0x1
LEFT
Data is left adjusted in word