CM6206 C-MEDIA ELECTRONICS, CM6206 Datasheet - Page 25

• Manufacturer Part Number: CM6206
• Description: USB Audio I/O Controller
• Manufacturer: C-MEDIA ELECTRONICS

7.1 DAC Volume Control
7.2 ADC Volume Control
CM6206
High Integrated USB Audio I/O Controller
7
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Note: VOL_*_ stands for VOL_FL_, VOL_FR_, VOL_CF_, VOL_LFE_, VOL_LS_, VOL_RS_, VOL_SL_, VOL_SR_. The volume control
VOL_*_
<5:0>
Note: VOL_*_ stands for VOL_REC_L_ and VOL_REC_R_. The volume control is in log scale.
Note: VOL_*_ stands for VOL_REC_L_ and VOL_REC_R_. The volume control is in log scale.
USB Request Data
00
01
02
03
04
05
06
07
08
09
Volume Control
linear scale.
0B7F~0B00
0AFF~0A80
0A7F~0A00
09FF~0980
097F~0900
08FF~0880
087F~0800
07FF~0780
077F~0700
06FF~0680
067F~0600
05FF~0580
057F~0500
04FF~0480
(Hex)
(linear)
Scale
1.000
0.973
0.944
0.917
0.890
0.862
0.834
0.807
0.779
0.751
VOL_*_<4:0>
VOL_*_<5:0>
11111
11110
11101
11100
11011
11010
11001
11000
10111
10110
10101
10100
10011
10010
10
11
12
13
14
15
16
17
18
19
Scale (log)
(linear)
Scale
0.724
0.696
0.669
0.641
0.613
0.586
0.558
0.530
0.503
0.475
+31.5dB
+28.5dB
+25.5dB
+22.5dB
+19.5dB
+16.5dB
+13.5dB
+33dB
+30dB
+27dB
+24dB
+21dB
+18dB
+15dB
Rev. 2.1 ︱ Page 25/37
is in
VOL_*_<5:0>
www.DataSheet.co.kr
USB Request Data (Hex) VOL_*_<4:0> Scale (log)
20
21
22
23
24
25
26
27
28
29
F3FF~F000 / 8000
047F~0400
03FF~0380
037F~0300
02FF~0280
027F~0200
01FF~0180
017F~0100
00FF~0080
007F~0000
FFFF~FC00
FBFF~F800
F7FF~F400
EFFF~EC00
(linear)
Scale
0.448
0.420
0.392
0.365
0.337
0.309
0.282
0.254
0.227
0.199
VOL_*_<5:0>
10001
10000
01111
01110
01101
01100
01011
01010
01001
01000
00111
00110
00101
00100
30
31
32
33
34
35
36
37
(linear)
+10.5dB
Scale
0.171
0.144
0.116
0.088
0.061
0.033
0.006
+7.5dB
+4.5dB
+1.5dB
mute
-1.5dB
-4.5dB
+12dB
+9dB
+6dB
+3dB
-3dB
-6dB
-6dB
0dB
Datasheet pdf - http://www.DataSheet4U.net/