CS4362
TABLE OF CONTENTS
1. CHARACTERISTICS AND SPECIFICATIONS ..................................................................................... 5
ANALOG CHARACTERISTICS............................................................................................................. 5
ANALOG CHARACTERISTICS............................................................................................................. 6
POWER AND THERMAL CHARACTERISTICS ................................................................................... 6
ANALOG FILTER RESPONSE ............................................................................................................. 7
DIGITAL CHARACTERISTICS.............................................................................................................. 8
ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 8
RECOMMENDED OPERATING CONDITIONS.................................................................................... 8
SWITCHING CHARACTERISTICS ....................................................................................................... 9
DSD - SWITCHING CHARACTERISTICS .......................................................................................... 10
®
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT........................................... 11
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ FORMAT......................................... 12
2. TYPICAL CONNECTION DIAGRAM ............................................................................................... 13
3. REGISTER QUICK REFERENCE ....................................................................................................... 15
4. REGISTER DESCRIPTION ................................................................................................................. 16
4.1 Mode Control 1 (address 01h) ...................................................................................................... 16
4.1.1 Control Port Enable (CPEN) ............................................................................................ 16
4.1.2 Freeze Controls (FREEZE) .............................................................................................. 16
4.1.3 Master Clock Divide Enable (MCLKDIV) ......................................................................... 16
4.1.4 DAC Pair Disable (DACx_DIS) ........................................................................................ 16
4.1.5 Power Down (PDN) .......................................................................................................... 17
4.2 Mode Control 2 (address 02h) ...................................................................................................... 17
4.2.1 Digital Interface Format (DIF) .......................................................................................... 17
4.2.2 Serial Audio Data Clock Source (SDINXCLK) ................................................................. 18
4.3 Mode Control 3 (address 03h) ...................................................................................................... 18
4.3.1 Soft Ramp and Zero Cross Control (SZC) ....................................................................... 18
4.3.2 Single Volume Control (SNGLVOL) ................................................................................. 19
4.3.3 Soft Volume Ramp-Up After Error (RMP_UP) ................................................................. 19
4.3.4 MUTEC Polarity (MUTEC+/-) ........................................................................................... 19
4.3.5 Auto-Mute (AMUTE) ........................................................................................................ 20
4.3.6 Mute Pin Control (MUTEC1, MUTEC0) ........................................................................... 20
4.4 Filter Control (address 04h) .......................................................................................................... 20
4.4.1 Interpolation Filter Select (FILT_SEL) .............................................................................. 20
4.4.2 De-Emphasis Control (DEM) ........................................................................................... 20
4.4.3 Soft Ramp-Down Before Filter Mode Change (RMP_DN) ............................................... 21
4.5 Invert Control (address 05h) ......................................................................................................... 21
4.5.1 Invert Signal Polarity (Inv_Xx) .......................................................................................... 21
4.6 Mixing Control Pair 1 (Channels A1 & B1)(address 06h)
Mixing Control Pair 2 (Channels A2 & B2)(address 09h)
Mixing Control Pair 3 (Channels A3 & B3)(address 0Ch)
21
4.6.1 Channel A Volume = Channel B Volume (A=B) ............................................................... 21
4.6.2 ATAPI Channel Mixing and Muting (ATAPI) .................................................................... 22
4.6.3 Functional Mode (FM) ...................................................................................................... 23
4.7 Volume Control (addresses 07h, 08h, 0Ah, 0Bh, 0Dh, 0Eh) ....................................................... 23
4.7.1 Mute (MUTE) ................................................................................................................... 23
4.7.2 Volume Control (xx_VOL) ................................................................................................ 23
4.8 Chip Revision (address 12h) ........................................................................................................ 24
4.8.1 Part Number ID (PART) [Read Only] ............................................................................... 24
5. PIN DESCRIPTION .............................................................................................................................. 25
6. APPLICATIONS .................................................................................................................................. 28
6.1 Grounding and Power Supply Decoupling .................................................................................... 28
2
DS257F2
CIRRUS [ CIRRUS LOGIC ]
