Cirrus Logic CS4360 - Manual (Page 3)

CS4360
DS517F2 3
4.5.1 Stand-alone Mode ............................................................................................... 24
4.5.2 Control Port Mode ............................................................................................... 24
4.6 Popguard
®
Transient Control .......................................................................................... 24
4.6.1 Power-up ............................................................................................................. 24
4.6.2 Power-down ........................................................................................................ 24
4.6.3 Discharge Time ................................................................................................... 25
4.7 Mute Control .................................................................................................................... 25
4.8 Grounding and Power Supply Arrangements .................................................................. 25
4.8.1 Capacitor Placement ........................................................................................... 25
4.8.2 Power Supply Sections ....................................................................................... 25
4.9 Control Port Interface ...................................................................................................... 25
4.9.1 Memory Address Pointer (MAP) ......................................................................... 26
4.9.1a INCR (Auto Map Increment) ................................................................ 26
4.9.1b MAP0-3 (Memory Address Pointer) ..................................................... 26
4.9.2 I²C Mode ............................................................................................................. 26
4.9.2a I²C Write ............................................................................................... 26
4.9.2b I²C Read ............................................................................................... 27
4.9.3 SPI Mode ............................................................................................................ 27
4.9.3a SPI Write .............................................................................................. 28
5. REGISTER QUICK REFERENCE ......................................................................................... 29
6. REGISTER DESCRIPTIONS .................................................................................................. 30
6.1 Mode Control 1 (address 01h) ......................................................................................... 30
6.1.1 Auto-mute (AMUTE) Bit 7 ....................................................................................... 30
6.1.2 Digital Interface Format (DIF) Bit 4-6 ...................................................................... 30
6.1.3 De-emphasis Control (DEM) Bit 2-3........................................................................ 31
6.1.4 Functional Mode (FM) Bit 0-1.................................................................................. 31
6.2 Invert Signal (address 02h) ............................................................................................. 31
6.2.1 Invert Signal Polarity (INV_xx) Bit 0-5 ..................................................................... 31
6.3 Mixing Control Pair 1 (Channels A1 & B1) (address 03h)
Mixing Control Pair 2 (Channels A2 & B2) (address 04h)
Mixing Control Pair 3 (Channels A3 & B3) (address 05h)............................................. 31
6.3.1 ATAPI Channel Mixing and Muting (atapi) Bit 0-3................................................... 32
6.4 Volume Control (addresses 06h - 0Bh) ........................................................................... 33
6.4.1 MUTE (MUTE) Bit 7 ................................................................................................ 33
6.4.2 VOLUME CONTROL (xx_VOL) Bit 0-6 ................................................................... 33
6.5 Mode Control 2 (address 0Dh) ......................................................................................... 33
6.5.1 Soft Ramp and Zero Cross CONTROL (SZC) Bit 6-7 ............................................. 33
6.5.2 Control Port Enable (CPEN) Bit 5 ........................................................................... 34
6.5.3 Power Down (PDN) Bit 4......................................................................................... 34
6.5.4 Popguard® Transient Control (POPG) Bit 3 ........................................................... 34
6.5.5 Freeze Controls (FREEZE) Bit 2............................................................................. 35
6.5.6 Master Clock DIVIDE ENABLE (MCLKDIV) Bit 1 ................................................... 35
6.5.7 Single Volume Control (SNGLVOL) Bit 0 ................................................................ 35
6.6 Revision Register (Read Only) (address 0Dh) ................................................................ 35
6.6.1 Revision Indicator (REV) [Read Only] Bit 0-3 ......................................................... 35
7. PARAMETER DEFINITIONS .................................................................................................. 36
Total Harmonic Distortion + Noise (THD+N) .......................................................................... 36
Dynamic Range ...................................................................................................................... 36
Interchannel Isolation ............................................................................................................. 36
Interchannel Gain Mismatch ................................................................................................... 36
Gain Error ............................................................................................................................... 36
Gain Drift ................................................................................................................................ 36