Datasheet
TLV320AIC3007
www.ti.com
..................................................................................................................................................................................................... SLOS619 – APRIL 2009
Page 0 / Register 29: Right AGC Control Register A
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 Right AGC Enable
0: Right AGC is disabled
1: Right AGC is enabled
D6-D4 R/W 000 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
D3 – D2 R/W 00 Right AGC Attack Time
These time constants will not be accurate when double rate audio mode is enabled.
00: Right AGC attack time = 8-msec
01: Right AGC attack time = 11-msec
10: Right AGC attack time = 16-msec
11: Right AGC attack time = 20-msec
D1 – D0 R/W 00 Right AGC Decay Time
These time constants will not be accurate when double rate audio mode is enabled.
00: Right AGC decay time = 100-msec
01: Right AGC decay time = 200-msec
10: Right AGC decay time = 400-msec
11: Right AGC decay time = 500-msec
Page 0 / Register 30: Right AGC Control Register B
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 – D1 R/W 1111111 Right AGC Maximum Gain Allowed
0000000: Maximum gain = 0.0 dB
0000001: Maximum gain = 0.5 dB
0000010: Maximum gain = 1.0 dB
…
1110110: Maximum gain = 59.0 dB
1110111 – 111111: Maximum gain = 59.5 dB
D0 R/W 0 Reserved. Write only zero to this register bit.
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 = 4 dB
11: Hysteresis is disabled
D5 – D1 R/W 00000 Right AGC Noise Threshold Control
00000: Right AGC Noise/Silence Detection disabled
00001: Right AGC noise threshold = – 30 dB
00010: Right AGC noise threshold = – 32 dB
00011: Right AGC noise threshold = – 34 dB
…
11101: Right AGC noise threshold = – 86 dB
11110: Right AGC noise threshold = – 88 dB
11111: 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
Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 59
Product Folder Link(s) :TLV320AIC3007