User Manual

24 DS671F2
CS4385
4.3.1 OLM #1
OLM #1 serial audio interface format operates in Single-, Double-, or Quad-Speed Mode and will slave to
SCLK at 128 Fs. Six channels of MSB first 20-bit PCM data are input on SDIN1. The last two channels
are input on SDIN4.
4.3.2 OLM #2
OLM #2 serial audio interface format operates in Single-, Double-, or Quad-Speed Mode and will slave to
SCLK at 256 Fs. Six channels of MSB first 24-bit PCM data are input on SDIN1. The last two channels
are input on SDIN4.
LRCK
SCLK
Left Channel
Right Channel
SDINx
6543210987
15 14 13 12 11 10
10
6543210987
15 14 13 12 11 10
17 16 17 16
32 clocks
Figure 14. Format 5 - Right-Justified 18-bit Data
LRCK
SCLK
LSBMSB
20 clks
64 clks 64 clks
LSBMSB LSBMSB LSBMSB LSBMSB LSBMSB MSB
DAC_A1
20 clks 20 clks 20 clks 20 clks 20 clks
Left Channel Right Channel
20 clks 20 clks
SDIN4
SDIN1
DAC_A2 DAC_A3
DAC_A4
DAC_B1
DAC_B4
DAC_B2 DAC_B3
Figure 15. Format 8 - One- Line Mode 1
LSBMSB
24 clks
128 clks
LSBMSB LSBMSB LSBMSB LSBMSB LSBMSB MSB
DAC_A1
24 clks 24 clks 24 clks 24 clks 24 clks
Left Channel Right C hannel
24 clks 24 clks
128 clks
LRCK
SCLK
SDIN1
SDIN4
DAC_A4
DAC_A2 DAC_A3 DAC_B1 DAC_B2 DAC_B3
DAC_B4
Figure 16. Format 9 - One-Line Mode 2