CDB4365 Cirrus Logic Inc, CDB4365 Datasheet - Page 43
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CDB4365
Manufacturer Part Number
CDB4365
Description
EVALUATION BOARD FOR CS4365
Manufacturer
Cirrus Logic Inc
Specifications of CDB4365
Number Of Dac's
6
Number Of Bits
24
Outputs And Type
6, Differential
Sampling Rate (per Second)
192k
Data Interface
Serial
Dac Type
Voltage
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
CS4365
Description/function
Audio D/A
Operating Supply Voltage
5 V
Product
Audio Modules
For Use With/related Products
CS4365
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
598-1779
DS670F2
6.11
6.11.1 Digital Volume Control (xx_VOL7:0)
xx_VOL7
0
7
Volume Control (address 0Bh, 0Ch, 0Eh, 0Fh, 11h, 12h)
These six registers provide individual volume and mute control for each of the six channels.
The values for “xx” in the bit fields above are as follows:
Register address 0Bh - xx = A1
Register address 0Ch - xx = B1
Register address 0Eh - xx = A2
Register address 0Fh - xx = B2
Register address 11h - xx = A3
Register address 12h - xx = B3
Default = 00h (0 dB)
Function:
The Digital Volume Control registers allow independent control of the signal levels in 1/2 dB increments
from 0 to -127.5 dB. Volume settings are decoded as shown in
mented as dictated by the Soft and Zero Cross bits in the Power and Muting Control register. Note that
the values in the volume setting column in
by taking the decimal value of the volume register and multiplying by 6.02/12.
ATAPI4
1
1
1
1
1
1
1
1
1
1
1
1
1
xx_VOL6
6
0
ATAPI3
0
0
0
0
0
1
1
1
1
1
1
1
1
xx_VOL5
Binary Code
ATAPI2
00000000
00000001
00000110
5
0
11111111
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 10. Example Digital Volume Settings
ATAPI1
xx_VOL4
Table 9. ATAPI Decode Table
1
0
0
1
1
0
0
1
1
0
0
1
1
0
4
Table 10
Decimal Value
ATAPI0
xx_VOL3
1
0
1
0
1
0
1
0
1
0
1
0
1
255
are approximate. The actual attenuation is determined
0
1
6
3
0
Table
[(aL+bR)/2]
[(aL+bR)/2]
[(bL+aR)/2]
[(aL+bR)/2]
AOUTAx
xx_VOL2
MUTE
aR
aR
aR
aR
aL
aL
aL
aL
Volume Setting
2
0
10. The volume changes are imple-
-127.5 dB
-0.5 dB
-3.0 dB
0 dB
xx_VOL1
0
1
[(bL+aR)/2]
[(aL+bR)/2]
[(aL+bR)/2]
[(aL+bR)/2]
AOUTBx
MUTE
MUTE
MUTE
bR
bR
bR
bL
bL
bL
xx_VOL0
CS4365
0
0
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