DS566F1

3

CS4351

6.3.4 ATAPI Channel Mixing and Muting (ATAPI3:0) Bits 3-0 .................................................. 26

6.4 Mute Control - Register 04h ........................................................................................................ 27

6.4.1 Auto-Mute (AMUTE) Bit 7 ................................................................................................ 27

6.4.2 AMUTEC = BMUTEC (MUTEC A=B) Bit 5 ...................................................................... 27

6.4.3 A Channel Mute (MUTE_A) Bit 4

B Channel Mute (MUTE_B) Bit 3 .................................................................................... 27

6.5 Channel A Volume Control - Register 05h

Channel B Volume Control - Register 06h ................................................................................ 27

6.5.1 Digital Volume Control (VOL7:0) Bits 7-0 ........................................................................ 28

6.6 Ramp and Filter Control - Register 07h ........................................................................................ 28

6.6.1 Soft Ramp and Zero Cross Control (SZC1:0) Bits 7-6 ..................................................... 28

6.6.2 Soft Volume Ramp-Up After Error (RMP_UP) Bit 5 ......................................................... 29

6.6.3 Soft Ramp-Down Before Filter Mode Change (RMP_DN) Bit 4 ....................................... 29

6.6.4 Interpolation Filter Select (FILT_SEL) Bit 2 ..................................................................... 29

6.7 Misc Control - Register 08h .......................................................................................................... 29

6.7.1 Power Down (PDN) Bit 7 ................................................................................................. 30

6.7.2 Control Port Enable (CPEN) Bit 6 .................................................................................... 30

6.7.3 Freeze Controls (Freeze) Bit 5 ......................................................................................... 30

7. DIGITAL FILTER RESPONSE PLOTS

............................................................................................. 31

8. PARAMETER DEFINITIONS ............................................................................................................... 35

9. PACKAGE DIMENSIONS .................................................................................................................. 36

10. ORDERING INFORMATION ............................................................................................................. 37

11. REVISION HISTORY ......................................................................................................................... 37

LIST OF FIGURES

Figure 1. Serial Input Timing ..................................................................................................................... 10

Figure 2. Control Port Timing - I²C Format................................................................................................ 11

Figure 3. Control Port Timing - SPI Format (Write)................................................................................... 12

Figure 4. Typical Connection Diagram...................................................................................................... 14

Figure 5. Left-Justified up to 24-Bit Data................................................................................................... 17

Figure 6. I²S, up to 24-Bit Data ................................................................................................................. 17

Figure 7. Right-Justified Data.................................................................................................................... 17

Figure 8. De-Emphasis Curve................................................................................................................... 17

Figure 9. Control Port Timing, I²C Mode ................................................................................................... 21

Figure 10.Control Port Timing, SPI mode .................................................................................................. 22

Figure 11.De-Emphasis Curve................................................................................................................... 24

Figure 12.ATAPI Block Diagram ................................................................................................................ 26

Figure 13.Single-Speed (fast) Stopband Rejection.................................................................................... 31

Figure 14.Single-Speed (fast) Transition Band .......................................................................................... 31

Figure 15.Single-Speed (fast) Transition Band (detail) .............................................................................. 31

Figure 16.Single-Speed (fast) Passband Ripple ........................................................................................ 31

Figure 17.Single-Speed (slow) Stopband Rejection .................................................................................. 31

Figure 18.Single-Speed (slow) Transition Band......................................................................................... 31

Figure 19.Single-Speed (slow) Transition Band (detail)............................................................................. 32

Figure 20.Single-Speed (slow) Passband Ripple....................................................................................... 32

Figure 21.Double-Speed (fast) Stopband Rejection .................................................................................. 32

Figure 22.Double-Speed (fast) Transition Band......................................................................................... 32

Figure 23.Double-Speed (fast) Transition Band (detail)............................................................................. 32

Figure 24.Double-Speed (fast) Passband Ripple....................................................................................... 32

Figure 25.Double-Speed (slow) Stopband Rejection ................................................................................. 33

Figure 26.Double-Speed (slow) Transition Band ....................................................................................... 33

Figure 27.Double-Speed (slow) Transition Band (detail) ........................................................................... 33

Figure 28.Double-Speed (slow) Passband Ripple ..................................................................................... 33