ADAV4601 System Design Document
Confidential Information
Rev.1 August 2009
Analog Devices
Page 4
Address 0x0120 Headphone 1/AUXOUT4 Channel Loudness Register (Default: 0x0000)....................................... 82
Address 0x0121 Mute Control Register (Default: 0x0000) ................................................................................................. 83
Address 0x0122 Audio Flow Control Register (Default: 0x8001) ..................................................................................... 83
Address 0x0123 Main Beeper Control Register (Default: 0x0005) ................................................................................... 85
Address 0x0124 Low-Pass Filter (Subchannel) Register (Default: 0x0003) ................................................................... 85
Address 0x0126 SRC Delay Register (Default: 0x0000)........................................................................................................ 86
Address 0x0127 SRC Control Register (Default: 0x0030) .................................................................................................... 86
Main Control Registers ........................................................................................................................................................................ 87
Address 0x0000 Initialization Control Register (Default: 0x0080).................................................................................... 87
Address 0x0004 Serial Port Control 1 Register (Default: 0x0000) .................................................................................... 88
Address 0x0005 Analog Power Management 1 Register (Default: 0x8000) ................................................................. 89
Address 0x0006 Analog Power Management 2 Register (Default: 0x0000) ................................................................. 89
Address 0x0007 Digital Power Management Register (Default: 0x0000)...................................................................... 90
Address 0x0009 SPDIF Transmitter Control Register (Default: 0x0000)......................................................................... 90
Address 0x000A Misc Control Register (Default: 0x8000) .................................................................................................. 91
Address 0x000B Headphone Control Register (Default: 0x0000) .................................................................................... 93
Address 0x000C Serial Port Control 2 Register (Default: 0x8004) .................................................................................... 93
Address 0x000D Reserved (Default: 0x0721) ......................................................................................................................... 94
Address 0x0018 Audio Mute Control 1 Register (Default: 0x7F00) ................................................................................. 94
Address 0x0019 PWM Status Register (Default: 0x0000).................................................................................................... 95
Address 0x001E Reserved (Default: 0x3205) .......................................................................................................................... 95
Address 0x001F PWM Control Register (Default: 0x1070) ................................................................................................. 95
Address 0x0080 Reserved (Default: 0x00FE) .......................................................................................................................... 96
Address 0x0081 Reserved (Default: 0x8202) .......................................................................................................................... 96
Address 0x0085 Reserved (Default: 0x00FE) .......................................................................................................................... 96
Address 0x0086 Reserved (Default: 0x8202) .......................................................................................................................... 96
Address 0x008A SRC Configuration 3 Register (Default: 0x0032).................................................................................... 96
Address 0x008C DAC Standby Register (Default: 0x0000) ................................................................................................. 96
Address 0x008D Reserved (Default: 0x0220) ......................................................................................................................... 97
Address 0x008E SPDIF Transmitter Control 2 Register (Default: 0x002D)..................................................................... 97
Address 0x008F Reserved (Default: 0x000A).......................................................................................................................... 98
Address 0x0200 EEPROM Self Boot Control Register (Default: 0x0000)......................................................................... 98
Address 0x0316 EEPROM Device Address Register (Default: 0x0050)............................................................................ 98
Address 0x0317 EEPROM Data Address Register (Default: 0x0000)................................................................................ 98
Appendix B – Layout Recommendations ......................................................................................99
Decoupling.............................................................................................................................................................................................. 99
Crystal Oscillator Circuit ...................................................................................................................................................................... 99
PWM Outputs ....................................................................................................................................................................................... 100
Ground Plane........................................................................................................................................................................................ 100
Appendix C – ADAV4601 Bill of Materials................................................................................... 101
Appendix D – Schematics ................................................................................................................ 107
