TIGER560 ETC, TIGER560 Datasheet - Page 31

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

Audio Feedback control 0x2e
Type: R/W
Default value: 00
Polarity of output
Enable AUX[5] output
Audio data format
Enable audio feedback
Audio reference value low byte 0x2f
Audio reference value high byte 0x30
Type: R/W
Default value: 0xD800
Audio reference value [14:0]
Revision 1.1 released on 2/20/01
Bit
Bit
Bit
Reserved
ARV[7]
Reserved
0: normal operation
1: invert AUX[5] output
0: normal operation
1: set AUX[5] as output for the comparison result
0: 2’s complemented audio data format
1: signed audio data format
0: no audio feedback comparison
1: enable audio feedback comparison
When the average (CONFIRM) audio input stream exceeds this value the output audio
stream is muted.
7
7
7
Reserved
ARV[6]
ARV[14]
6
6
6
Reserved
ARV[5]
ARV[13]
5
5
5
Reserved
ARV[4]
ARV[12]
4
4
4
Polarity of
output
ARV[3]
ARV[11]
3
3
3
Enable
AUX[5]
output
ARV[2]
ARV[10]
2
2
2
Audio data
format
ARV[1]
ARV[9]
1
1
1
Enable
audio
feeback
ARV[0]
ARV[8]
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