DS671F2

3

CS4385

6.2 Mode Control 1 (address 02h) ........................................................................................................ 37

6.2.1 Control Port Enable (CPEN) .................................................................................................. 37

6.2.2 Freeze Controls (FREEZE) ................................................................................................... 37

6.2.3 PCM/DSD Selection (DSD/PCM) .......................................................................................... 38

6.2.4 DAC Pair Disable (DACx_DIS) ..............................................................................................38

6.2.5 Power Down (PDN) ............................................................................................................... 38

6.3 PCM Control (address 03h) ............................................................................................................ 38

6.3.1 Digital Interface Format (DIF) ................................................................................................ 38

6.3.2 Functional Mode (FM) ........................................................................................................... 39

6.4 DSD Control (address 04h) ............................................................................................................ 39

6.4.1 DSD Mode Digital Interface Format (DSD_DIF) .................................................................... 39

6.4.2 Direct DSD Conversion (DIR_DSD) ...................................................................................... 40

6.4.3 Static DSD Detect (STATIC_DSD) ........................................................................................ 40

6.4.4 Invalid DSD Detect (INVALID_DSD) ..................................................................................... 40

6.4.5 DSD Phase Modulation Mode Select (DSD_PM_MODE) ..................................................... 40

6.4.6 DSD Phase Modulation Mode Enable (DSD_PM_EN) ......................................................... 40

6.5 Filter Control (address 05h) ............................................................................................................ 41

6.5.1 Interpolation Filter Select (FILT_SEL) ...................................................................................41

6.6 Invert Control (address 06h) ........................................................................................................... 41

6.6.1 Invert Signal Polarity (Inv_xx) ................................................................................................ 41

6.7 Group Control (address 07h) .......................................................................................................... 41

6.7.1 Mutec Pin Control (MUTEC) .................................................................................................. 41

6.7.2 Channel A Volume = Channel B Volume (Px_A=B) .............................................................. 42

6.7.3 Single Volume Control (SNGLVOL) ...................................................................................... 42

6.8 Ramp and Mute (address 08h) ....................................................................................................... 42

6.8.1 Soft Ramp and Zero Cross CONTROL (SZC) ...................................................................... 42

6.8.2 Soft Volume Ramp-Up after Error (RMP_UP) ....................................................................... 43

6.8.3 Soft Ramp-Down before Filter Mode Change (RMP_DN) ..................................................... 43

6.8.4 PCM Auto-Mute (PAMUTE) .................................................................................................. 43

6.8.5 DSD Auto-Mute (DAMUTE) ...................................................................................................44

6.8.6 MUTE Polarity and DETECT (MUTEP1:0) ............................................................................ 44

6.9 Mute Control (address 09h) ............................................................................................................ 44

6.9.1 Mute (MUTE_xx) ................................................................................................................... 44

6.10 Mixing Control (address 0Ah, 0Dh, 10h, 13h) .............................................................................. 45

6.10.1 De-Emphasis Control (PX_DEM1:0) ................................................................................... 45

6.10.2 ATAPI Channel Mixing and Muting (ATAPI) ........................................................................ 45

6.11 Volume Control (address 0Bh, 0Ch, 0Eh, 0Fh, 11h, 12h, 14h, 15h) ............................................ 46

6.11.1 Digital Volume Control (xx_VOL7:0) ................................................................................... 46

6.12 PCM Clock Mode (address 16h) .................................................................................................. 47

6.12.1 Master Clock DIVIDE by 2 ENABLE (MCLKDIV) ................................................................ 47

7. FILTER PLOTS ..................................................................................................................................... 48

8. PARAMETER DEFINITIONS ................................................................................................................ 52

9. PACKAGE DIMENSIONS ................................................................................................................... 53

10. ORDERING INFORMATION .............................................................................................................. 54

11. REFERENCES .................................................................................................................................... 54

12. REVISION HISTORY ......................................................................................................................... 54