STA32613TR datasheet(21/43 Pages) STMICROELECTRONICS

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STA326

7.7.6

External Amplifier Power Down

EAPD is used to actively power down a connected DDX® Power device. This register has to be written to

1 at start-up to enable the DDX® power device for normal operation.

7.8 VOLUME CONTROL

7.8.1

Master Controls

7.8.1.1Master Mute Register (Address 06h)

7.8.1.2Master Volume Register (Address 07h)

Note : Value of volume derived from MVOL is dependent on AMV AutoMode Volume settings.

7.8.2

Channel Controls

7.8.2.1Channel 1 Volume (Address 08h)

7.8.2.2Channel 2 Volume (Address 09h)

7.8.2.3Channel 3 Volume (Address 0Ah)

7.8.3

Volume Description

The volume structure of the STA326 consists of individual volume registers for each of the three channels

and a master volume register, and individual channel volume trim registers. The channel volume settings

BIT

R/W

RST

NAME

DESCRIPTION

R/W

EAPD

External Amplifier Power Down:

0 – External Power Stage Power Down Active

1 – Normal Operation

MMUTE

MV7

MV6

MV5

MV4

MV3

MV2

MV1

MV0

C1V7

C1V6

C1V5

C1V4

C1V3

C1V2

C1V1

C1V0

01100000

C2V7

C2V6

C2V5

C2V4

C2V3

C2V2

C2V1

C2V0

01100000

C3V7

C3V6

C3V5

C3V4

C3V3

C3V2

C3V1

C3V0

01100000

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