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參數(shù)資料
| 型號(hào)： | TLC320AD80C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Audio Processor Subsystem |
| 中文描述： | 音頻處理器子系統(tǒng) |
| 文件頁數(shù)： | 16/36頁 |
| 文件大?。?/td> | 219K |
| 代理商： | TLC320AD80C |
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2–5
Table 2–3. Master Clock (MCLK) Rates Supported For Various Sample Rates (LRCLK)
LRCLK (kHz)
MCLK (MHz)
384
LRCLK
18.432
256
LRCLK
12.288
512
LRCLK
N/A
48
44.1
11.2896
16.9344
N/A
32
8.192
12.288
N/A
24
6.144
9.216
N/A
22.05
5.6448
8.4672
N/A
16
N/A
N/A
8.192
12
N/A
N/A
6.144
11.025
N/A
N/A
5.6448
8
N/A
N/A
4.096
2.1.2
The main analog audio input ports consist of two stereo audio inputs, one mono audio input, and one TV
baseband audio input. The stereo inputs and the mono input can be passed through to the output (EXT
OUTL, EXT OUTR) by means of the analog output multiplexer. The TV baseband audio is a differential input
that feeds an internal monaural decoder before it is sent to the same output multiplexer.
Analog Audio Input Ports
The secondary analog audio inputs consist of one stereo input to the volume and balance control and two
mono inputs to the wideband multiplexer. These inputs are intended primarily for interconnecting functional
blocks by means of dc blocking capacitors. However, it also provides the user with the ability to combine
internal functions with additional external analog functions. All inputs should be connected through
dc-blocking capacitors.
2.1.2.1
The two stereo audio input ports (NTSCAUDIO L, NTSCAUDIO R, AUX AUDIO1L, AUX AUDIO1R) are
single-ended inputs. These inputs are sent to the output multiplexer without additional analog processing.
The output of the multiplexer can be externally connected to another functional block such as the volume
and balance control. These stereo inputs also have the ability to function in mono mode. In this mode, the
left channel of the selected input is sent to both the left and right outputs (EXT OUTL, EXT OUTR). Control
register 01h is used to program the mono or stereo mode for these inputs.
Stereo Analog Input Ports
A typical application would connect the NTSC audio input to the output of a MTS stereo decoder. The AUX
AUDIO1 port would be connected to an alternate nonbroadcast audio source.
2.1.2.2
The one mono audio port (AUX MONO 2M) is a single-ended input. This input is sent to the output
multiplexer without additional analog processing. However, the output of the multiplexer can be externally
connected to another functional block such as the volume and balance control. This input is internally
applied to both the left and right audio channels.
Mono Analog Input Port
A typical application would connect the AUX MONO 2M input to receive the second audio program (SAP)
channel output of an MTS stereo decoder.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TLC320AD80CPM | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLC320AD81C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio Digital Equalizer DC |
| TLC320AD81CDBT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| TLC320AD90 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio Codec |
| TLC320AD91 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio Codec |
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