CS4391 Просмотр технического описания (PDF) - Cirrus Logic

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CS4391

24-Bit, 192 kHz Stereo DAC with Volume Control

Cirrus Logic 

CS4391

3.2 VOLUME AND MIXING CONTROL (ADDRESS 02H)

7

A=B

0

6

5

4

3

2

1

0

Soft

Zero Cross

ATAPI4

ATAPI3

ATAPI2

ATAPI1

ATAPI0

1

0

0

1

0

0

1

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

Default = ‘0’.

0 - AOUTA volume is determined by register 03h and AOUTB volume is determined by reg-

ister 04h.

1 - AOUTA and AOUTB volumes are determined by register 03h and register 04h is ig-

nored.

Soft & Zero Cross (Soft control and zero cross detection control)

Default = ‘10’.

SoftZero CrossMode

00 Changes take effect immediately

01 Changes take effect on zero crossings

10 Changes take effect with a soft ramp (default)

11 Changes take effect in 1/8 dB steps on each zero crossing

ATAPI 0-4 (Channel mixing and muting). SeeTable 6

Default = ‘01001’, (Stereo)

AOUTA = Left Channel

AOUTB = Right Channel

3.3 CHANNEL A VOLUME CONTROL (ADDRESS 03H)

See Channel B Volume Control (address 04h)

3.4 CHANNEL B VOLUME CONTROL (ADDRESS 04H)

7

MUTE

0

6

VOL6

0

5

VOL5

0

4

VOL4

0

3

VOL3

0

MUTE

Volume

Default = ‘0’

0 - Disabled

1 - Enabled

Default = ‘0’

(Refer to Table 7)

2

VOL2

0

1

VOL1

0

0

VOL0

0

DS335PP4

15

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