PCM1795DB datasheet(32/58 Pages) TI

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R/W

RSV

SRST

DSD

DFTH

MONO

CHSL

OS1

OS0

B15

B14

B13

B12

B11

B10

PCM1795

SLES248 – MAY 2009 ........................................................................................................................................................................................................ www.ti.com

FLT: Digital Filter Roll-Off Control

This bit is available for read and write.

Default value: 0

FLT

Roll-Off Control

FLT = 0

Sharp roll-off (default)

FLT = 1

Slow roll-off

The FLT bit is used to select the digital filter roll-off characteristic. The filter responses for these selections are

shown in the Typical Characteristics section.

INZD: Infinite Zero Detect Mute Control

This bit is available for read and write.

Default value: 0

INZD

Infinite Zero Detect Mute Setting

INZD = 0

Infinite zero detect mute disabled (default)

INZD = 1

Infinite zero detect mute enabled

The INZD bit is used to enable or disable the zero detect mute function. Setting INZD to '1' forces muted analog

outputs to hold a bipolar zero level when the PCM1795 detects a zero condition in both channels. The infinite

zero detect mute function is not available in the DSD mode.

R/W: Read/Write Mode Select

When R/W = 0, a write operation is performed.

When R/W = 1, a read operation is performed.

Default value: 0

SRST: System Reset Control

This bit is available for write only.

Default value: 0

SRST

System Reset Control

SRST = 0

Normal operation (default)

SRST = 1

System reset operation (generate one reset pulse)

The SRST bit is used to reset the PCM1795 to the initial system condition.

DSD: DSD Interface Mode Control

This bit is available for read and write.

Default value: 0

DSD

DSD Interface Mode Control

DSD = 0

DSD interface mode disabled (default)

DSD = 1

DSD interface mode enabled

The DSD bit is used to enable or disable the DSD interface mode.

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