ADAV4601 datasheet(34/60 Pages) AD

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ADAV4601

Rev. B | Page 34 of 60

Bit No.

Bit Name

Description

Default

Bits[5:0]

SPDIF input trim

These register bits are used to gain or attenuate the input to the SPDIF 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

Address 0x0104 AUXOUT1 Input Trim Register (Default: 0x0E0E)

Table 19.

Bit No.

Bit Name

Description

Default

Bits[15:14]

Reserved

Always write as 0 if writing to this register.

Bits[13:8]

AUXOUT1 input trim

These register bits are used to gain or attenuate the input to the AUXOUT1

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[7:0]

Reserved

Always write as 0 if writing to this register.

00000000

Address 0x0105 Main Delay Register (Default: 0x0000)

Table 20.

Bit No.

Bit Name

Description

Default

Bits[15:13]

Reserved

Always write as 0 if writing to this register.

000

Bits[12:0]

Main delay

These register bits are used to specify the lip synchronization delay for the main channel.

0000000000000

0x0000 = 20.83 μs (1 sample delay at 48 kHz)

0x0001 = 20.83 μs (1 sample delay)

0x0002 = 41.66 μs (2 sample delay)

…

0x1C20 = 150 ms (7200 sample delay)

ADAV4601 Datasheet(PDF) 34 Page - Analog Devices

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