Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
577
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
28.7 I
2
S Application Examples
The I
2
S can support several serial communication modes used in audio or high-speed serial links. Some standard
applications are shown in the following figures. All serial link applications supported by the I
2
S are not listed among the
following examples.
Figure 28-7. Audio Application Block Diagram
Figure 28-8. Time Slot Application Block Diagram
Serial Clock
Word Select
Serial Data Out
MSB
Left Channel
LSB
MSB
Right Channel
Serial Data Out
Word Select
Serial Clock
I
2
S
ISCKn
IFSn
ISDm
EXTERNAL
I
2
S
RECEIVER
EXTERNAL
AUDIO
CODEC
for Left
Time Slot
EXTERNAL
AUDIO
CODEC
for Right
Time Slot
Serial Data In
Serial Data Out
Frame Sync
Serial Clock
Serial Clock
Frame Sync
Serial Data Out
Serial Data In
Dstart
Left Time Slot
Right Time Slot
Dend
I
2
S
ISCKn
IFSn
ISD0
ISD1
Master Clock
IMCKn