TLV320AIC3105_08 BURR-BROWN [Burr-Brown Corporation], TLV320AIC3105_08 Datasheet - Page 58

• Manufacturer Part Number: TLV320AIC3105_08
• Description: LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

TLV320AIC3105
SLAS513A – FEBRUARY 2007 – REVISED JULY 2007
58
D6–D4
D3–D2
D1–D0
D7–D1
D7–D6
D5–D1
BIT
BIT
BIT
D7
D0
D0
WRITE
WRITE
WRITE
READ/
READ/
READ/
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1111 111
RESET
VALUE
RESET
VALUE
RESET
VALUE
00 000
000
00
00
00
0
0
0
Right AGC Enable
0: Right AGC is disabled
1: Right AGC is enabled
Right AGC Target Level
000: Right AGC target level = –5.5 dB
001: Right AGC target level = –8 dB
010: Right AGC target level = –10 dB
011: Right AGC target level = –12 dB
100: Right AGC target level = –14 dB
101: Right AGC target level = –17 dB
110: Right AGC target level = –20 dB
111: Right AGC target level = –24 dB
Right AGC Attack Time
These time constants are not accurate when double-rate audio mode is enabled.
00: Right AGC attack time = 8 ms
01: Right AGC attack time = 11 ms
10: Right AGC attack time = 16 ms
11: Right AGC attack time = 20 ms
Right AGC Decay Time
These time constants are not accurate when double-rate audio mode is enabled.
00: Right AGC decay time = 100 ms
01: Right AGC decay time = 200 ms
10: Right AGC decay time = 400 ms
11: Right AGC decay time = 500 ms
Right AGC Maximum Gain Allowed
0000 000: Maximum gain = 0 dB
0000 001: Maximum gain = 0.5 dB
0000 010: Maximum gain = 1 dB
1110 110: Maximum gain = 59 dB
1110 111–111111: Maximum gain = 59.5 dB
Reserved. Write only zero to this register bit.
Noise Gate Hysteresis Level Control
00: Hysteresis = 1 dB
01: Hysteresis = 2 dB
10: Hysteresis = 3 dB
11: Hysteresis is disabled
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
Right AGC Clip Stepping Control
0: Right AGC clip stepping disabled
1: Right AGC clip stepping enabled
Page 0/Register 29: Right AGC Control Register A
Page 0/Register 30: Right AGC Control Register B
Page 0/Register 31: Right AGC Control Register C
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