Datasheet

TLV320ADC3101
www.ti.com ...................................................................................................................................... SLAS553A – NOVEMBER 2008 – REVISED SEPTEMBER 2009
Page 0 / Register 94: Right AGC Control 1
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7 R/W 0 0: Right AGC disabled
1: Right AGC enabled
D6 – D4 R/W 000 000: Right AGC target level = – 5.5 dB
000: Right AGC target level = – 8 dB
001: Right AGC target level = – 10 dB
010: Right AGC target level = – 12 dB
011: Right AGC target level = – 14 dB
100: Right AGC target level = – 17 dB
101: Right AGC target level = – 20 dB
111: Right AGC target level = – 24 dB
D3 – D0 R 0000 Reserved. Do not write any value other than reset value.
Page 0 / Register 95: Right AGC Control 2
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
(1)
D7 – D6 R/W 00 00: Right AGC hysteresis setting of 1 dB
01: Right AGC hysteresis setting of 2 dB
10: Right AGC hysteresis setting of 4 dB
11: Right AGC hysteresis disabled.
D5 – D1 R/W 00 000 00 000: Right AGC noise/silence detection is 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 0: Disable clip stepping for right AGC.
1: Enable clip stepping for right AGC.
(1) Values in 2s-complement decimal format
Page 0 / Register 96: Right AGC Maximum Gain
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7 R 0 Reserved. Do not write any value other than reset value.
D6 – D0 R/W 111 1111 000 0000: Right AGC maximum gain = 0 dB
000 0001: Right AGC maximum gain = 0.5 dB
000 0010: Right AGC maximum gain = 1 dB
...
101 0000: Right AGC maximum gain = 40 dB
101 0001 – 111 1111: Not Used.
Page 0 / Register 97: Right AGC Attack Time
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7 – D3 R/W 0000 0 0000 0: Right AGC attack time = 1 × (32/f
S
)
0000 1: Right AGC attack time = 3 × (32/f
S
)
0001 0: Right AGC attack time = 5 × (32/f
S
)
0001 1: Right AGC attack time = 7 × (32/f
S
)
0010 0: Right AGC attack time = 9 × (32/f
S
)
...
1111 0: Right AGC attack time = 61 × (32/f
S
)
1111 1: Right AGC attack time = 63 × (32/f
S
)
D2 – D0 R/W 000 000: Multiply factor for the programmed right AGC attack time = 1
001: Multiply factor for the programmed right AGC attack time = 2
010: Multiply factor for the programmed right AGC attack time = 4
...
111: Multiply factor for the programmed right AGC attack time = 128
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