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参数资料
型号： TLV320AIC32IRHB
厂商： TEXAS INSTRUMENTS INC
元件分类： 消费家电
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封装： 5 X 5 MM, PLASTIC, QFN-32
文件页数： 42/76页
文件大小： 1124K
代理商： TLV320AIC32IRHB
www.ti.com
TLV320AIC32
SLAS479B – AUGUST 2005 – REVISED AUGUST 2006
Page 0 / Register 29:
Right AGC Control Register A (continued)
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
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 is disabled
01: Hysteresis = 1-dB
10: Hysteresis = 2-dB
11: Hysteresis = 4-dB
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
Page 0 / Register 32:
Left AGC Gain Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7–D0
R
00011000
Left Channel Gain Applied by AGC Algorithm
00000000: Gain = –12.0-dB
00000001: Gain = –11.5-dB
00000010: Gain = –11.0-dB
…
00011000: Gain = 0.0-dB
00011001: Gain = +0.5-dB
…
10000011: Gain = +59.0-dB
10000100: Gain = +59.5-dB
47
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