Datasheet

TLV320AIC3106
www.ti.com ........................................................................................................................................ SLAS509E – DECEMBER 2006 – REVISED DECEMBER 2008
Page 0 / Register 32: Left AGC Gain Register
READ/ RESET
BIT 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 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
READ/ RESET
BIT 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
Page 0 / Register 34: Left AGC Noise Gate Debounce Register
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7 – D3 R/W 0000 0 Left AGC Noise Detection Debounce Control
These times
(1)
will not be accurate when double rate audio mode is enabled.
0000 0: Debounce = 0 ms
0000 1: Debounce = 0.5 ms
0001 0: Debounce = 1 ms
0001 1: Debounce = 2 ms
0010 0: Debounce = 4 ms
0010 1: Debounce = 8 ms
0011 0: Debounce = 16 ms
0011 1: Debounce = 32 ms
0100 0: Debounce = 64 × 1 = 64ms
0100 1: Debounce = 64 × 2 = 128ms
0101 0: Debounce = 64 × 3 = 192ms
…
1111 0: Debounce = 64 × 23 = 1472ms
1111 1: Debounce = 64 × 24 = 1536ms
D2 – D0 R/W 000 Left AGC Signal Detection Debounce Control
These times
(1)
will not be accurate when double rate audio mode is enabled.
000: Debounce = 0 ms
001: Debounce = 0.5 ms
010: Debounce = 1 ms
011: Debounce = 2 ms
100: Debounce = 4 ms
101: Debounce = 8 ms
110: Debounce = 16 ms
111: Debounce = 32 ms
(1) Time constants are valid when DRA is not enabled. The values would change when DRA is enabled
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