Datasheet

TLV320AIC3104
www.ti.com SLAS510C –FEBRUARY 2007–REVISED DECEMBER 2010
Page 0/Register 31: Right-AGC Control Register C
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7–D6 R/W 00 Noise Gate Hysteresis Level Control
00: Hysteresis = 1 dB
01: Hysteresis = 2 dB
10: Hysteresis = 3 dB
11: Hysteresis is disabled.
D5–D1 R/W 00 000 Right-AGC Noise Threshold Control
00 000: Right-AGC noise/silence detection disabled
00 001: Right-AGC noise threshold = –30 dB
00 010: Right-AGC noise threshold = –32 dB
00 011: Right-AGC noise threshold = –34 dB
…
11 101: Right-AGC noise threshold = –86 dB
11 110: Right-AGC noise threshold = –88 dB
11 111: Right-AGC noise threshold = –90 dB
D0 R/W 0 Right-AGC Clip Stepping Control
0: Right-AGC clip stepping disabled
1: Right-AGC clip stepping enabled
Page 0/Register 32: Left-AGC Gain Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7–D0 R 0000 0000 Left-Channel Gain Applied by AGC Algorithm
1110 1000: Gain = –12 dB
1110 1001: Gain = –11.5 dB
1110 1010: Gain = –11 dB
…
0000 0000: Gain = 0.0 dB
0000 0001: Gain = 0.5 dB
…
0111 0110: Gain = 59 dB
0111 0111: Gain = 59.5 dB
Page 0/Register 33: Right-AGC Gain Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7–D0 R 0000 0000 Right-Channel Gain Applied by AGC Algorithm
1110 1000: Gain = –12 dB
1110 1001: Gain = –11.5 dB
1110 1010: Gain = –11 dB
…
0000 0000: Gain = 0 dB
0000 0001: Gain = +0.5-dB
…
0111 0110: Gain = 59 dB
0111 0111: Gain = 59.5 dB
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