UMA1021M/C2 Philips Semiconductors (Acquired by NXP), UMA1021M/C2 Datasheet - Page 38

• Manufacturer Part Number: UMA1021M/C2
• Description: UDA1380; Stereo Audio Coder-decoder For MD, CD And MP3
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
11.7
Table 35 Register address 11H
Table 36 Description of register bits
Table 37 Digital mixer volume control
2003 Apr 04
Symbol
Default
Symbol
Default
Stereo audio coder-decoder
for MD, CD and MP3
15 to 8
VC2_7
VC1_7
7 to 0
BIT
BIT
BIT
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
:
:
Mixer volume control
VC2_[7:0]
VC1_[7:0]
VC2_7
VC1_7
VC2_6
VC1_6
15
1
7
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
:
:
SYMBOL
VC2_6
VC1_6
VC2_5
VC1_5
14
1
6
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
:
:
Digital mixer volume control. An 8-bit value to program the channel 2 volume
attenuation. The range is 0 to 72 dB and
value for channel 2 is 11111111, see Table 37.
Digital mixer volume control. An 8-bit value to program the channel 1 volume
attenuation. The range is 0 to 72 dB and
value for channel 1 is 00000000, see Table 37.
VC2_5
VC1_5
VC2_4
VC1_4
13
1
5
0
0
0
0
0
0
1
1
1
1
1
1
0
1
1
1
0
:
:
VC2_4
VC1_4
VC2_3
VC1_3
12
4
1
0
38
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
:
:
VC2_3
VC1_3
VC2_2
VC1_2
DESCRIPTION
11
1
3
0
0
0
1
1
1
1
1
0
1
0
1
0
1
0
0
0
:
:
VC2_2
VC1_2
VC2_1
VC1_1
dB in steps of 0.25 dB. Default
dB in steps of 0.25 dB. Default
10
1
2
0
0
0
1
1
0
0
0
1
1
0
0
0
0
0
0
0
:
:
VC2_1
VC1_1
VC2_0
VC1_0
Product specification
9
1
1
0
0
1
0
1
0
0
1
0
1
0
0
0
0
0
0
0
:
:
UDA1380
VOLUME
VC2_0
VC1_0
(dB)
45.25
45.50
45.75
0.25
0.50
0.75
8
1
0
0
0
45
46
48
50
60
63
66
72
:
:
1