ADAV4601 System Design Document
Confidential Information
Rev.1 August 2009
Analog Devices
Page 68
APPENDIX A – DETAILED REGISTER DESCRIPTIONS
This section consists of a detailed description of the ADAV4601 registers. It is broken into 2 sections Default Audio
Flow Registers and Main Control Registers. If a user has created their own custom audio flow the Application Layer
Software will generate a HTML register map.
DEFAULT AUDIO FLOW REGISTERS
Address 0x0100 Mux Select 1 Register (Default: 0x0000)
Table 9.
Bit No.
Bit Name
Description
Default
Bits[15:12]
Main source mux
Source for main channel.
0000
0x0 = reserved
0x1 = ADC1
0x2 = reserved
0x3 = SDIN0
0x4 = SDIN1
0x5 = SDIN2/SRC2 Channel B
0x6 = SDIN3/SRC2 Channel C
0x7 = SRC1
0x8 = SRC2 Channel A
0x9 = reserved
0xA = reserved
Bits[11:8]
Reserved
Always write as 0 if writing to this register.
0000
Bits[7:4]
Headphone 1/AUXOUT4 output
Source for the Headphone 1/AUXOUT4 output.
0000
0x0 = reserved
0x1 = ADC1
0x2 = reserved
0x3 = SDIN0
0x4 = SDIN1
0x5 = SDIN2/SRC2 Channel B
0x6 = SDIN3/SRC2 Channel C
0x7 = SRC1
0x8 = SRC2 Channel A
0x9 = reserved
0xA = reserved
0xB = reserved
0xC = delayed main input
0xD = main input after loudness
0xE = subchannel
Bits[3:0]
AUXOUT3 output mux
Source for the AUXOUT3 output.
0000
0x0 = reserved
0x1 = ADC1
0x2 = reserved
0x3 = SDIN0
0x4 = SDIN1
0x5 = SDIN2/SRC2 Channel B
0x6 = SDIN3/SRC2 Channel C
0x7 = SRC1
