Owner's manual

22 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23
Version 2.3
CobraNet Hardware User’s Manual
Digital Audio Interface
6.1.3 Standard Mode Data Timing
Figure 12. Audio Data Timing Detail - Standard Mode, 64FS - CS18100x/CS49610x, CS18101x/CS49611x
Figure 13. Audio Data Timing Detail - Standard Mode, 128FS - CS18102x/CS49612x
Each audio channel is comprised of 32 bits of data, regardless of audio sample size. The
figure above shows 24-bit audio data.
The MSB is left justified and is aligned with FS1. Data is sampled on the rising edge of
DAI_SCLK and data changes on the falling edge.
FS1
DAI1_DATAx
DAO1_DATAx
DAI1_SCLK
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 231 0 Unused
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 231 0 Unused
FS1
DAI1_DATAx
DAO1_DATAx
DAI1_SCLK
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 231 0 Unused 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 2
3
1 0 Unused
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 231 0 Unused 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 2
3
1 0 Unused