WM1811A datasheet(81/328 Pages) WOLFSON

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Production Data

WM1811A

PD, November 2013, Rev 4.1

EQ BAND

CUT-OFF/CENTRE FREQUENCY

100 Hz

300 Hz

875 Hz

2400 Hz

6900 Hz

Table 30 EQ Band Cut-off / Centre Frequencies

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R1152 (0480h)

AIF1 DAC1

EQ Gains (1)

15:11

AIF1DAC1_EQ

_B1_GAIN

[4:0]

01100

(0dB)

AIF1EQ Band 1 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

10:6

AIF1DAC1_EQ

_B2_GAIN

[4:0]

01100

(0dB)

AIF1EQ Band 2 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

5:1

AIF1DAC1_EQ

_B3_GAIN

[4:0]

01100

(0dB)

AIF1EQ Band 3 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

R1153 (0481h)

AIF1 DAC1

EQ Gains (2)

15:11

AIF1DAC1_EQ

_B4_GAIN

[4:0]

01100

(0dB)

AIF1EQ Band 4 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

10:6

AIF1DAC1_EQ

_B5_GAIN

[4:0]

01100

(0dB)

AIF1 EQ Band 5 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

AIF1DAC1_EQ

_MODE

AIF1 EQ Band 1 Mode

0 = Shelving filter

1 = Peak filter

Table 31 AIF1 EQ Band Gain Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R1408 (0580h)

AIF2 EQ Gains

(1)

15:11

AIF2DAC_EQ_

B1_GAIN

[4:0]

01100

(0dB)

AIF2 EQ Band 1 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

10:6

AIF2DAC_EQ_

B2_GAIN

[4:0]

01100

(0dB)

AIF2EQ Band 2 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

5:1

AIF2DAC_EQ_

B3_GAIN

[4:0]

01100

(0dB)

AIF2EQ Band 3 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

R1409 (0581h)

AIF2 EQ Gains

(2)

15:11

AIF2DAC_EQ_

B4_GAIN

[4:0]

01100

(0dB)

AIF2EQ Band 4 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

10:6

AIF2DAC_EQ_

B5_GAIN

[4:0]

01100

(0dB)

AIF2EQ Band 5 Gain

-12dB to +12dB in 1dB steps

(see Table 33 for gain range)

AIF2DAC_EQ_

MODE

AIF2 EQ Band 1 Mode

0 = Shelving filter

1 = Peak filter

Table 32 AIF2 EQ Band Gain Control

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