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參數資料
型號: TLV320AIC3120IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: AUDIO AMPLIFIER, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數: 145/150頁
文件大小: 1507K
代理商: TLV320AIC3120IRHBR
SLAS653 – FEBRUARY 2010
www.ti.com
Page 0 / Register 67 (0x43): Headset Detection
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Headset detection disabled
1: Headset detection enabled
D6–D5
R
XX
00: No headset detected
01: Headset without microphone is detected
10: Reserved
11: Headset with microphone is detected
D4–D2
R/W
000
Debounce Programming for Glitch Rejection During Headset Detection(1)
000: 16 ms (sampled with 2-ms clock)
001: 32 ms (sampled with 4-ms clock)
010: 64 ms (sampled with 8-ms clock)
011: 128 ms (sampled with 16-ms clock)
100: 256 ms (sampled with 32-ms clock)
101: 512 ms (sampled with 64-ms clock)
110: Reserved
111: Reserved
D1–D0
R/W
00
Debounce Programming for Glitch Rejection During Headset Button-Press Detection
00: 0 ms
01: 8 ms (sampled with 1-ms clock)
10: 16 ms (sampled with 2-ms clock)
11: 32 ms (sampled with 4-ms clock)
(1)
Note that these times are generated using the 1-MHz reference clock, which is defined in page 3 / register 16.
Page 0 / Register 68 (0x44): DRC Control 1
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
Reserved. Write only the reset value to these bits.
D6
R/W
1
0: DRC disabled
1: DRC enabled
D5
R/W
1
Reserved. Write only reset value.
D4–D2
R/W
011
000: DRC threshold = –3 dB
001: DRC threshold = –6 dB
010: DRC threshold = –9 dB
011: DRC threshold = –12 dB
100: DRC threshold = –15 dB
101: DRC threshold = –18 dB
110: DRC threshold = –21 dB
111: DRC threshold = –24 dB
D1–D0
R/W
11
00: DRC hysteresis = 0 dB
01: DRC hysteresis = 1 dB
10: DRC hysteresis = 2 dB
11: DRC hysteresis = 3 dB
Page 0 / Register 69 (0x45): DRC Control 2
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R
0
Reserved. Write only the reset value to this bit.
D6–D3
R/W
0111
DRC Hold Programmability
0000: DRC hold disabled
0001:DRC hold time = 32 DAC word clocks
0010: DRC hold time = 64 DAC word clocks
0011: DRC hold time = 128 DAC word clocks
0100: DRC hold time = 256 DAC word clocks
0101: DRC hold time = 512 DAC word clocks
...
1110: DRC hold time = 4 × 32,768 DAC word clocks
1111: DRC hold time = 5 × 32,768 DAC word clocks
D2–D0
R
000
Reserved. Write only the reset value to these bits.
94
REGISTER MAP
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC3120
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