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CS4392-KZZ Datasheet(PDF) 11 Page - Cirrus Logic |
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CS4392-KZZ Datasheet(HTML) 11 Page - Cirrus Logic |
11 / 40 page CS4392 DS459PP3 11 3.6 Digital Interface Format The device will accept audio samples in several digital interface formats as illustrated in Tables 5 and 8. The desired format is selected via the M0 and M1 pins for stand alone mode, and through the DIF2:0 bits in the control port. For an illustration of the required relationship between the Left/Right Clock, Serial Clock and Serial Audio Data, see Figures 4-6. M1 M0 DESCRIPTION FORMAT FIGURE 00 Left Justified, up to 24-bit data 04 01 I2S, up to 24-bit data 15 10 Right Justified, 16-bit Data 26 11 Right Justified, 24-bit Data 36 Table 5. Digital Interface Format, Stand-Alone Mode Options Figure 4. Format 0, Left Justified up to 24-Bit Data LR C K SC L K Left C h a n n e l R igh t C h ann e l SD A T A +3 +2 +1 LS B +5 +4 MSB -1 -2 -3 -4 -5 +3 +2 +1 LS B +5 +4 MS B -1 -2 -3 -4 Figure 5. Format 1, I2S up to 24-Bit Data LR C K SC L K Le ft C h a n nel Rig h t Ch a n n e l SD A T A +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4 -5 +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4 LRCK SC LK Left C hannel SD ATA +5 +4 +3 +2 +1 LSB MSB-1 -2 -3 -4 -5 32 c lo ck s R ight C h a nnel LSB +5 +4 +3 +2 +1 LSB MSB -1 -2 -3 -4 -5 +6 -6 +6 -6 Figure 6. Format 2, Right Justified 16-Bit Data Format 3, Right Justified 24-Bit Data Format 4, Right Justified 20-Bit Data. (Available in Control Port Mode only) Format 5, Right Justified 18-Bit Data. (Available in Control Port Mode only) |
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