User Manual

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 INFORMATIO N ........... ................ ... ... ................ .... ... ... ................ ... .... ................ ... ......... 54
11. REFERENCES ... .... ... ... ... .... ................ ... ... ................ .... ... ... ................ ... .... ................ ... ...................... 54
12. REVISION HISTORY .. ... .... ... ... ................ ... .... ... ................ ... .... ... ................ ... ... ................................ 54