5 filter control (address 05h), 1 interpolation filter select (filt_sel), 6 invert control (address 06h) – Cirrus Logic CS4364 User Manual

Page 37: 1 invert signal polarity (inv_xx), 7 group control (address 07h), 1 mute pin control (mutec1, mutec0), 2 channel a volume = channel b volume (px_a=b), Cs4364

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DS619F1

37

CS4364

6.5

Filter Control (Address 05h)

6.5.1

Interpolation Filter Select (FILT_SEL)

Function:

When set to 0 (default), the Interpolation Filter has a fast roll off.

When set to 1, the Interpolation Filter has a slow roll off.

The specifications for each filter can be found in the Analog characteristics table, and response plots can
be found in

Figures 22

to

45

.

6.6

Invert Control (Address 06h)

6.6.1

Invert Signal Polarity (INV_xx)

Function:

When set to 1, this bit inverts the signal polarity of channel xx.

When set to 0 (default), this function is disabled.

6.7

Group Control (Address 07h)

6.7.1

Mute Pin Control (MUTEC1, MUTEC0)

Default = 00
00 - Six mute control signals
01, 10 - One mute control signal
11 - Three mute control signals

Function:

Selects how the internal mute control signals are routed to the MUTEC1 through MUTEC6 pins. When
set to ‘00’, there is one mute control signal for each channel: AOUT1A on MUTEC1, AOUT1B on
MUTEC2, etc. When set to ‘01’ or ‘10’, there is a single mute control signal on the MUTEC1 pin. When
set to ‘11’, there are three mute control signals, one for each stereo pair: AOUT1A and AOUT1B on
MUTEC1, AOUT2A and AOUT2B on MUTEC2, and AOUT3A and AOUT3B on MUTEC3.

6.7.2

Channel A Volume = Channel B Volume (Px_A=B)

Default = 0
0 - Disabled
1 - Enabled

7

6

5

4

3

2

1

0

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

FILT_SEL

0

0

0

0

0

0

0

0

7

6

5

4

3

2

1

0

Reserved

Reserved

INV_B3

INV_A3

INV_B2

INV_A2

INV_B1

INV_A1

0

0

0

0

0

0

0

0

7

6

5

4

3

2

1

0

MUTEC1

MUTEC0

Reserved

P1_A=B

P2_A=B

P3_A=B

Reserved

SNGLVOL

0

0

0

0

0

0

0

0

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