ALS300 Datasheet, PDF (18/66 Pages) List of Unclassifed Manufacturers – Media Audio Controller SPEC

Avance Logic Inc.
MX3E
input mixer right control (Dummy R/W)
Default 0Bh
Bit 7
reserved
Bit 6
dummy read/write bit
Bit 5
music right enable
Bit 4
dummy read/write bit
Bit 3
external line right enable
Bit 2
dummy read/write bit
Bit 1
CD-audio right enable
Bit 0
microphone enable
0
mute
1
enable audio input
MX3F
Default 00h
Read/write
input left mixer gain (Dummy R/W)
Bit 7,6
00
01
10
11
Bit 5..0
input left mixer gain control
no gain
2X
4X
4X
reserved
MX40
Default 00h
Read/write
Bit 7,6
00
01
10
11
Bit 5..0
input right mixer gain (Dummy R/W)
input right mixer gain control
gain = 1
gain = 2
gain = 4
gain = 4
reserved
MX41
Default 00h
Bit 7,6
00
01
10
11
Bit 5..0
output left mixer gain (Dummy R/W)
output left mixer gain
gain = 1
gain = 2
gain = 4
gain = 4
reserved
MX42
Default 00h
Bit 7,6
00
01
10
11
Bit 5..0
output right mixer gain (Dummy R/W)
output right mixer gain
gain = 1
gain = 2
gain = 4
gain = 4
reserved
MX43
microphone automatic gain control (AGC) (Dummy R/W)
Default 00h
Dummy read/write register
18
ALS300