CS4383 데이터 시트보기 (PDF) - Cirrus Logic

부품명

상세내역

제조사

CS4383

114 dB, 192 kHz 8-Channel D/A Converter

Cirrus Logic 

CS4383

3.7 Volume control (addresses 07h, 08h, 0Ah, 0Bh, 0Dh, 0Eh, 10h, 11h)

7

xx_MUTE

0

6

xx_VOL6

0

5

xx_VOL5

0

4

xx_VOL4

0

3

xx_VOL3

0

2

xx_VOL2

0

1

xx_VOL1

0

0

xx_VOL0

0

3.7.1 MUTE (MUTE)

Default = 0

0 - Disabled

1 - Enabled

Function:

The Digital-to-Analog converter output will mute when enabled. The quiescent voltage on the output

will be retained. The muting function is effected, similar to attenuation changes, by the Soft and Zero

Cross bits. The MUTEC pins will go active during the mute period according to the MUTEC register.

3.7.2 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 4. 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.

Binary Code

0000000

0010100

0101000

0111100

1011010

Decimal Value

0

20

40

60

90

Volume Setting

0 dB

-20 dB

-40 dB

-60 dB

-90 dB

Table 4. Example Digital Volume Settings

22

Share Link: