CS4362-KQZ【PDF 13/42 页】IC DAC 6CH 114DB 192KHZ 48LQFP

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DS257F2

CS4362

4.3.5

Auto-Mute (AMUTE)

Default = 1

0 - Disabled

1 - Enabled

Function:

The Digital-to-Analog converter output will mute following the reception of 8192 consecutive audio sam-

ples of static 0 or -1. A single sample of non-static data will release the mute. Detection and muting is

done independently for each channel. The quiescent voltage on the output will be retained and the Mute

Control pin will go active during the mute period. The muting function is affected, similar to volume control

changes, by the Soft and Zero Cross bits in the Mode Control 3 register.

4.3.6

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 either ‘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.

4.4

Filter Control (address 04h)

4.4.1

Interpolation Filter Select (FILT_SEL)

Default = 0

0 - Fast roll-off

1 - Slow roll-off

Function:

This Function allows the user to select whether the interpolation filter has a fast or slow roll off. For filter

characteristics please see Section 1. Characteristics and Specifications.

4.4.2

De-Emphasis Control (DEM)

Default = 00

00 - Disabled

01 - 44.1 kHz

10 - 48 kHz

11 - 32 kHz

Function:

543

Reserved

FILT_SEL

Reserved

DEM1

DEM0

RMP_DN

000

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