參數(shù)資料
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)： 29/94頁
文件大小： 905K
代理商： TLV320AIC34_1
www.ti.com
TDM DATA TRANSFER
Time-division multiplexed data transfer can be realized in any of the previously mentioned transfer modes if the
256-clock bit clock mode is selected, although it is recommended to be used in either left-justified mode or DSP
mode. By changing the programmable offset, the bit clock in each frame where the data begins can be changed,
and the serial data output driver (DOUT_x) can also be programmed into the high-impedance state during all bit
clocks except when valid data is being put onto the bus. This allows other codecs to be programmed with
different offsets and to drive their data onto the same DOUT_x line, just in a different slot. For incoming data, the
codec simply ignores data on the bus except where it is expected based on the programmed offset. See the
Using TDM Function to Interface Four AIC33 CODECs with a Single Host Processor
application report
(
SLAA301
) and the
Using TLV320AIC3x Digital Audio Data Serial Interface With Time-Division Multiplexing
Support
application report (
SLAA311
).
N–1
N–1
N–1
1
1
1
1
N–1
N–2
N–2
N–2
0
0
0
0
N–2
Right-Channel Data
Right-Channel Data
Left-Channel Data
Left-Channel Data
DSP Mode
Left-Justified Mode
Offset
Offset
Offset
T0153-02
WCLK_x
WCLK_x
BCLK_x
BCLK_x
DIN_x/
DOUT_x
DIN_x/
DOUT_x
TLV320AIC34
SLAS538A–OCTOBER 2007–REVISED NOVEMBER 2007
Note that the location of the data when an offset is programmed is different, depending on what transfer mode is
selected. In DSP mode, both left and right channels of data are transferred immediately adjacent to each other in
the frame. This differs from left-justified mode, where the left- and right-channel data are always a half-frame
apart in each frame. In this case, as the offset is programmed from zero to some higher value, both the left- and
right-channel data move across the frame, but still stay a full half-frame apart from each other. This is depicted in
Figure 24
for the two cases.
Figure 24. DSP Mode and Left-J ustified Mode, Showing the
Effect of a Programmed Data Word Offset
Copyright 2007, Texas Instruments Incorporated
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Product Folder Link(s):
TLV320AIC34
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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