CS47L35 datasheet(49/300 Pages) CIRRUS

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DS1085F3

CS47L35

4.3 Digital Core

Table 4-10 lists the EQ gain control settings.

R3622 (0x0E26)

EQ2_1

15:11 EQ2_B1_GAIN[4:0]

0x0C EQ2 Band 1 Gain 1

–12 dB to +12 dB in 1-dB steps

10:6 EQ2_B2_GAIN[4:0]

0x0C EQ2 Band 2 Gain 1

–12 dB to +12 dB in 1-dB steps

5:1

EQ2_B3_GAIN[4:0]

0x0C EQ2 Band 3 Gain 1

–12 dB to +12 dB in 1-dB steps

EQ2_ENA

EQ2 Enable

0 = Disabled

1 = Enabled

R3623 (0x0E27)

EQ2_2

15:11 EQ2_B4_GAIN[4:0]

0x0C EQ2 Band 4 Gain 1 (–12 dB to +12 dB in 1-dB steps)

10:6 EQ2_B5_GAIN[4:0]

0x0C EQ2 Band 5 Gain 1 (–12 dB to +12 dB in 1-dB steps)

EQ2_B1_MODE

EQ2 Band 1 Mode

0 = Shelving filter

1 = Peak filter

R3624 (0x0E28) to

R3642 (0x0E3A)

15:0 EQ2_B1_*

EQ2_B2_*

EQ2_B3_*

EQ2_B4_*

EQ2_B5_*

—

EQ2 Frequency Coefficients. Refer to WISCE evaluation board control software for

the derivation of these field values.

R3644 (0x0E3C)

EQ3_1

15:11 EQ3_B1_GAIN[4:0]

0x0C EQ3 Band 1 Gain 1 (–12 dB to +12 dB in 1-dB steps)

10:6 EQ3_B2_GAIN[4:0]

0x0C EQ3 Band 2 Gain 1 (–12 dB to +12 dB in 1-dB steps)

5:1

EQ3_B3_GAIN[4:0]

0x0C EQ3 Band 3 Gain 1 (–12 dB to +12 dB in 1-dB steps)

EQ3_ENA

EQ3 Enable

0 = Disabled

1 = Enabled

R3645 (0x0E3D)

EQ3_2

15:11 EQ3_B4_GAIN[4:0]

0x0C EQ3 Band 4 Gain1 (–12 dB to +12 dB in 1-dB steps)

10:6 EQ3_B5_GAIN[4:0]

0x0C EQ3 Band 5 Gain 1 (–12 dB to +12 dB in 1-dB steps)

EQ3_B1_MODE

EQ3 Band 1 Mode

0 = Shelving filter

1 = Peak filter

R3646 (0x0E3E) to

R3664 (0x0E50)

15:0 EQ3_B1_*

EQ3_B2_*

EQ3_B3_*

EQ3_B4_*

EQ3_B5_*

—

EQ3 Frequency Coefficients. Refer to WISCE evaluation board control software for

the derivation of these field values.

R3666 (0x0E52)

EQ4_1

15:11 EQ4_B1_GAIN[4:0]

0x0C EQ4 Band 1 Gain 1 (–12 dB to +12 dB in 1-dB steps)

10:6 EQ4_B2_GAIN[4:0]

0x0C EQ4 Band 2 Gain 1 (–12 dB to +12 dB in 1-dB steps)

5:1

EQ4_B3_GAIN[4:0]

0x0C EQ4 Band 3 Gain 1 (–12 dB to +12 dB in 1-dB steps)

EQ4_ENA

EQ4 Enable

0 = Disabled

1 = Enabled

R3667 (0x0E53)

EQ4_2

15:11 EQ4_B4_GAIN[4:0]

0x0C EQ4 Band 4 Gain 1 (–12 dB to +12 dB in 1-dB steps)

10:6 EQ4_B5_GAIN[4:0]

0x0C EQ4 Band 5 Gain 1 (–12 dB to +12 dB in 1-dB steps

EQ4_B1_MODE

EQ4 Band 1 Mode

0 = Shelving filter

1 = Peak filter

R3668 (0x0E54) to

R3686 (0x0E66)

15:0 EQ4_B1_*

EQ4_B2_*

EQ4_B3_*

EQ4_B4_*

EQ4_B5_*

—

EQ4 Frequency Coefficients

Refer to WISCE evaluation board control software for the derivation of these field

values.

1.See Table 4-10 for gain range.

Table 4-9. EQ Enable and Gain Control (Cont.)

Bit

Label

Default

Description

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