ADAV4601 System Design Document Confidential Information
Rev.1 August 2009 Analog Devices Page 70
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] Reserved Always write as 0 if writing to this register. 0000
Address 0x0102 Main and Headphone 1/AUXOUT4 Input Trim Register (Default: 0x0E0E)
Table 11.
Bit No. Bit Name Description Default
Bits[15:14] Reserved Always write as 0 if writing to this register. 00
Bits[13:8] Main input trim These register bits are used to gain or attenuate the input to
the main channel
processing path from −14 dB to +14 dB in +1 dB steps.
001110
0x00 = +14 dB
0x01 = +13 dB
…
0x07 = +7 dB
…
0x0E = 0 dB
…
0x15 = −7 dB
0x1B = −13 dB
0x1C = −14 dB
Bits[7:6] Reserved Always write as 0 if writing to this register. 00
Bits[5:0] Headphone 1/AUXOUT4
input trim
These register bits are used to gain or attenuate the input to the
Headphone 1/
AUXOUT4 channel processing path from −14 dB to +14 dB in +1
dB steps.
001110
0x00 = +14 dB
0x01 = +13 dB
…
0x07 = +7 dB
…
0x0E = 0 dB
…
0x15 = −7 dB
…
0x1B = −13 dB
0x1C = −14 dB
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