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DMF[1:0]: Sampling Frequency Selection for the De-Emphasis Function (DAC)

DM12: Digital De-Emphasis Function Control (DAC)

FLT0: Digital Filter Rolloff Control (DAC)

DREV: Output Phase Select (DAC)

PCM3052A

SLES160 – NOVEMBER 2005

B15

B14

B13

B12

B11

B10

B9

B8

B7

B6

B5

B4

B3

B2

B1

B0

REGISTER 69

0

1

0

0

0

1

0

1

RSV

DMF1

DMF0

DM12

RSV

RSV

RSV

RSV

Default value: 01

DMF[1:0]

DE-EMPHASIS SAMPLING RATE SELECTION

0 0

44.1 kHz

0 1

48 kHz (default)

1 0

32 kHz

1 1

Reserved

The DMF[1:0] bits are used to select the sampling frequency used for the digital de-emphasis function when it is

enabled.

Default value: 0

DM12 = 0

De-emphasis disabled (default)

DM12 = 1

De-emphasis enabled

The DM12 bit is used to enable or disable the digital de-emphasis function. See the plots shown in the Typical

Performance Curves section of this data sheet.

B15

B14

B13

B12

B11

B10

B9

B8

B7

B6

B5

B4

B3

B2

B1

B0

REGISTER 70

0

1

0

0

0

1

1

0

RSV

RSV

FLT0

RSV

RSV

1

RSV

RSV

Default value: 0

FLT0 = 0

Sharp rolloff (default)

FLT0 = 1

Slow rolloff

The FLT0 bit allows the user to select the digital filter rolloff that is best suited to their application. Two filter rolloff

selections are available: Sharp and Slow. The filter responses for these selections are shown in the Typical

Performance Curves section of this data sheet.

B15

B14

B13

B12

B11

B10

B9

B8

B7

B6

B5

B4

B3

B2

B1

B0

REGISTER 71

0

1

0

0

0

1

1

1

RSV

RSV

RSV

RSV

RSV

RSV

RSV

DREV

Default value: 0

DREV = 0

Normal output (default)

DREV = 1

Inverted output

The DREV bit is used to control the output analog signal phase control.

37