CS4385 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS4385 Datasheet PDF : 55 Pages
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CS4385
LRCK
SCLK
SDINx 1 0
Left Channel
Right Channel
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
32 clocks
Figure 14. Format 5 - Right-Justified 18-bit Data
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.
LRCK
SCLK
SDIN1
SDIN4
64 clks
Left Channel
MSB
LSB MSB
LSB MSB
LSB
DAC_A1
DAC_A2
DAC_A3
20 clks
20 clks
20 clks
DAC_A4
20 clks
64 clks
Right Channel
MSB
LSB MSB
LSB MSB
LSB
DAC_B1
DAC_B2
DAC_B3
20 clks
20 clks
20 clks
DAC_B4
20 clks
MSB
Figure 15. Format 8 - One-Line Mode 1
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
SDIN1
SDIN4
128 clks
Left Channel
MSB
LSB MSB
LSB MSB
LSB
DAC_A1
DAC_A2
DAC_A3
24 clks
24 clks
24 clks
DAC_A4
24 clks
128 clks
Right Channel
MSB
LSB MSB
LSB MSB
LSB
DAC_B1
DAC_B2
DAC_B3
24 clks
24 clks
24 clks
DAC_B4
24 clks
MSB
Figure 16. Format 9 - One-Line Mode 2
24
DS671F2
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