ADAU1961WBCPZ-R7 datasheet(47/73 Pages) AD

47 / 73 page

Data Sheet

ADAU1961

CONTROL REGISTERS

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Rev. B | 47 of 73

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

LDBOOST[1:0]

MX1AUXG[2:0]

Table 30. Record Mixer Left (Mixer 1) Control 1 Register

Bits

Bit Name

Description

[4:3]

LDBOOST[1:0]

Left channel differential PGA input gain boost, input to Mixer 1. The left differential input uses the LINP (positive signal) and LINN (negative

signal) pins.

Setting

Gain Boost

Mute (default)

0 dB

20 dB

Reserved

[2:0]

MX1AUXG[2:0]

Left single-ended auxiliary input gain from the LAUX pin in the record path, input to Mixer 1.

Setting

Auxiliary Input Gain

000

Mute (default)

001

−12 dB

010

−9 dB

011

−6 dB

100

−3 dB

101

0 dB

110

3 dB

111

6 dB

R6: Record Mixer Right (Mixer 2) Control 0, 16,396 (0x400C)

This register controls the gain of single-ended inputs for the right channel record path. The right channel record mixer is referred to as Mixer 2.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

RINPG[2:0]

RINNG[2:0]

MX2EN

Table 31. Record Mixer Right (Mixer 2) Control 0 Register

Bits

Bit Name

Description

[6:4]

RINPG[2:0]

Gain for a right channel single-ended input from the RINP pin, input to Mixer 2.

Setting

Gain

000

Mute (default)

001

−12 dB

010

−9 dB

011

−6 dB

100

−3 dB

101

0 dB

110

3 dB

111

6 dB

[3:1]

RINNG[2:0]

Gain for a right channel single-ended input from the RINN pin, input to Mixer 2.

Setting

Gain

000

Mute (default)

001

−12 dB

010

−9 dB

011

−6 dB

100

−3 dB

101

0 dB

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