TIGER560 ETC, TIGER560 Datasheet - Page 27

• Manufacturer Part Number: TIGER560
• Description: USB Controller for Low Cost VoIP solutions
• Manufacturer: ETC

Microphone mute Control 0x20
Type: R/W
Default value: 00
Microphone mute Control
Speaker Mute Control 0x21
Type: R/W
Default value: 00
Speaker mute control
Microphone volume low byte 0x22
Microphone volume high byte 0x23
Type: R/W
Default value: 0xF600
Microphone Volume value [15:0]
Revision 1.1 released on 2/20/01
Bit
Bit
Bit
Bit
MPMC[7]
SMC[7]
MPV[7]
MPV[15]
0: normal audio
not equal to 0: mute microphone
0: normal audio
not equal to 0: mute Speaker
5 level Volume control
0x0000 ~ 0xFE00 : Scale up X4
0xFDFF ~ 0xFB00 : Scale up X2
0xFAFF ~ 0xF200 : No Scaling
0xF1FF ~ 0xD800 : Scale down X2
0xD7FF ~ 0x8000 : Scale down X4
7
7
7
7
MPMC[6]
SMC[6]
MPV[6]
MPV[14]
6
6
6
6
MPMC[5]
SMC[5]
MPV[5]
MPV[13]
5
5
5
5
MPMC[4]
SMC[4]
MPV[4]
MPV[12]
4
4
4
4
MPMC[3]
SMC[3]
MPV[3]
MPV[11]
3
3
3
3
MPMC[2]
SMC[2]
MPV[2]
MPV[10]
2
2
2
2
MPMC[1]
SMC[1]
MPV[1]
MPV[9]
1
1
1
1
MPMC[0]
SMC[0]
MPV[0]
MPV[8]
Page 27
0
0
0
0