Cirrus-logic CS4362A Manuel d'utilisateur télécharger pdf (Page 41)

DS617F2 41

CS4362A

6.7.2 Volume Control (XX_VOL)

Default = 0 (No attenuation)

Function:

The Digital Volume Control registers allow independent control of the signal levels in 1 dB increments

from 0 to -127 dB. Volume settings are decoded as shown in Table 8. The volume changes are imple-

mented as dictated by the Soft and Zero Cross bits. All volume settings less than -127 dB are equivalent

to enabling the MUTE bit.

6.8 Chip Revision (Address 12h)

6.8.1 Part Number ID (PART) [Read Only]

01010 - CS4362A

6.8.2 Revision ID (REV) [Read Only]

000 - Revision A

001 - Revision B

Function:

This read-only register can be used to identify the model and revision number of the device.

Binary Code Decimal Value Volume Setting

0 0 0 0 0 0 0 0 0 dB

0 0 1 0 1 0 0 20 -20 dB

0 1 0 1 0 0 0 40 -40 dB

0 1 1 1 1 0 0 60 -60 dB

1 0 1 1 0 1 0 90 -90 dB

Table 8. Example Digital Volume Settings

76543210

PART4 PART3 PART2 PART1 PART0 REV2 REV1 REV0

01010- - -

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 49 50

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Cirrus-logic CS4362A Manuel d'utilisateur Page 41