ADAU1772BCPZ-R7 datasheet(103/117 Pages) AD

Il numero della parte	ADAU1772BCPZ-R7

Spiegazioni elettronici	Four ADC, Two DAC Low Power Codec

PDF	117 Pages

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Produttore elettronici	AD [Analog Devices]

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ADAU1772

Data Sheet

Rev. C | Page 102 of 116

PUSH-BUTTON VOLUME CONTROL ASSIGNMENT REGISTER

Address: 0x0040, Reset: 0x87, Name: PB_VOL_CONV

Table 92. Bit Descriptions for PB_VOL_CONV

Bits

Bit Name

Settings

Description

Reset

Access

[7:6]

GAINSTEP

Sets the gain step for each press of the volume control button.

0x2

0.375 dB/press

1.5 dB/press

3.0 dB/press

4.5 dB/press

[5:3]

RAMPSPEED

Sets the speed in dB/sec at which the volume control ramps when a

button is pressed.

0x0

000

60 dB/sec

001

48 dB/sec

010

36 dB/sec

011

30 dB/sec

100

24 dB/sec

101

18 dB/sec

110

12 dB/sec

111

6 dB/sec

[2:0]

PB_VOL_CONV_VAL

Converters controlled by push-button volume. The push-button volume

control is enabled when these bits are set to something other than the

default setting (111). When set to 111, the push-button volume is

disabled and the converter volumes are set by the ADCx_VOLUME and

DACx_VOLUME registers.

0x7

000

ADC0 and ADC1

001

ADC2 and ADC3

010

All ADCs

011

DAC0 and DAC1

100

DAC0

101

DAC1

110

Reserved

111

None (default)

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