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| 型號： | TLV320AIC34_1 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | FOUR-CHANNEL, LOW-POWER AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY |
| 中文描述： | 四通道，低功耗音頻編解碼器的便攜式音頻/電話 |
| 文件頁數(shù)： | 89/94頁 |
| 文件大小： | 905K |
| 代理商： | TLV320AIC34_1 |
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TLV320AIC34
SLAS538A–OCTOBER 2007–REVISED NOVEMBER 2007
Page 0 / Register 106:
Right-AGC New Programmable Decay Time Register
(1)
READ/
WRITE
R/W
RESET
VALUE
0
BIT
DESCRIPTION
D7
Decay Time Register Selection
0: Decay time for the right AGC is generated from register 29.
1: Decay time for the right AGC is generated from this register.
Baseline AGC Decay time
00: Right-AGC decay time = 50 ms
01: Right-AGC decay time = 150 ms
10: Right-AGC decay time = 250 ms
11: Right-AGC decay time = 350 ms
Multiplication Factor for Baseline AGC
000: Multiplication factor for the baseline AGC decay time = 1
001: Multiplication factor for the baseline AGC decay time = 2
010: Multiplication factor for the baseline AGC decay time = 4
011: Multiplication factor for the baseline AGC decay time = 8
100: Multiplication factor for the baseline AGC decay time = 16
101: Multiplication factor for the baseline AGC decay time = 32
110: Multiplication factor for the baseline AGC decay time = 64
111: Multiplication factor for the baseline AGC decay time = 128
Reserved. Write only zeros to these register bits.
D6–D5
R/W
00
D4–D2
R/W
000
D1–D0
R/W
00
(1)
Decay time is limited based on the NADC ratio that is selected. For
NADC = 1, maximum decay time = 4 seconds
NADC = 1.5, maximum decay time = 5.6 seconds
NADC = 2, maximum decay time = 8 seconds
NADC = 2.5, maximum decay time = 9.6 seconds
NADC = 3 or 3.5, maximum decay time = 11.2 seconds
NADC = 4 or 4.5, maximum decay time = 16 seconds
NADC = 5, maximum decay time = 19.2 seconds
NADC = 5.5 or 6, maximum decay time = 22.4 seconds
Page 0 / Register 107:
New Programmable ADC Digital Path and I
2
C Bus Condition Register
READ/
WRITE
R/W
RESET
VALUE
0
BIT
DESCRIPTION
D7
Left-Channel High-Pass Filter Coefficient Selection
0: Default coefficients are used when ADC high pass is enabled.
1: Programmable coefficients are used when ADC high pass is enabled.
Right-Channel High-Pass Filter Coefficient Selection
0: Default coefficients are used when ADC high pass is enabled.
1: Programmable coefficients are used when ADC high pass is enabled.
ADC Decimation Filter configuration
00: Left and right digital microphones are used.
01: Left digital microphone and right analog microphone are used.
10: Left analog microphone and right digital microphone are used.
11: Left and right analog microphones are used.
ADC Digital Output to Programmable Filter Path Selection
0: No additional programmable filters other than the HPF are used for the ADC.
1: The programmable filter is connected to ADC output if both DACs are powered down.
I
2
C Bus Condition Detector
0: Internal logic is enabled to detect an I
2
C bus error, and clears the bus error condition.
1: Internal logic is disabled to detect an I
2
C bus error.
Reserved. Write only zero to this register bit.
I
2
C Bus Error Detection Status
0: I
C bus error is not detected.
1: I
2
C bus error is detected. This bit is cleared by reading this register.
D6
R/W
0
D5–D4
R/W
00
D3
R/W
0
D2
R/W
0
D1
D0
R
R
0
0
Copyright 2007, Texas Instruments Incorporated
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TLV320AIC34
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| TLV320AIC34EVM-K | 功能描述:音頻 IC 開發(fā)工具 TLV320AIC34EVM-K Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TLV320AIC34IZAS | 功能描述:接口—CODEC Low-Pwr 4-channel CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC34IZASR | 功能描述:接口—CODEC Low-Pwr 4-channel CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC36 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power Stereo Audio Codec With Embedded miniDSP |
| TLV320AIC36EVM-K | 功能描述:音頻 IC 開發(fā)工具 TLV320AIC36 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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