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參數(shù)資料
| 型號： | AD1846JP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | Low Cost Parallel-Port 16-Bit SoundPort Stereo Codec |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 17/28頁 |
| 文件大?。?/td> | 277K |
| 代理商： | AD1846JP |
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AD1846
REV. A
–17–
Clock and Data Format R egister (IX A3:0 = 8)
IX A3:0
Data 7
8
res
The contents of the Clock and Data Format Register cannot be changed except when the AD1846 is in Mode Change Enable (MCE) state.
Write attempts to this register when the AD1846 is not in the MCE state will not be successful.
CSS
Clock Source Select. T hese bits select the crystal clock source which will be used for the audio sample rates.
0
X T AL1 (24.576 MHz)
1
X T AL2 (16.9344 MHz)
CFS2:0
Clock Frequency Divide Select. T hese bits select the audio sample rate frequency. T he actual audio sample rate depends
on which crystal clock source is selected and the frequency of that source.
Data 6
F MT
Data 5
C /L
Data 4
S/M
Data 3
C F S2
Data 2
C F S1
Data 1
C F S0
Data 0
CSS
Divide
Factor
3072
1536
896
768
448
384
512
2560
X T AL1
24.576 MHz
8.0 kHz
16.0 kHz
27.42857 kHz
32.0 kHz
Not Supported
Not Supported
48.0 kHz
9.6 kHz
X T AL2
16.9344 MHz
5.5125 kHz
11.025 kHz
18.9 kHz
22.05 kHz
37.8 kHz
44.1 kHz
33.075 kHz
6.615 kHz
CFS
0
1
2
3
4
5
6
7
Note that the AD1846’s internal oscillators can be driven by external clock sources at the crystal input pins. If an external
clock source is applied, it will be divided down by the selected Divide Factor. It need not be at the recommended crystal
frequencies.
Stereo/Mono Select. T his bit determines how the audio data streams are formatted. Selecting stereo will result with alter-
nating samples representing left and right audio channels. Mono playback plays the same audio sample on both channels.
Mono capture only captures data from the left audio channel.
0
Mono
1
Stereo
Companded/Linear Select. T his bit selects between a linear digital representation of the audio signal or a nonlinear, com-
panded format for all input and output data. T he type of linear PCM or the type of companded format is defined by the
FMT bits.
0
Linear PCM
1
Companded
Format Select. T his bit defines the format for all digital audio input and outputs based on the state of the C/L bit.
S/M
C/L
FMT
Linear PCM (C/L = 0)
8-bit Unsigned PCM
16-bit T wos-Complement PCM
Companded (C/L = 1)
8-bit
μ
-law Companded
8-bit A-law Companded
0
1
res
Reserved for future expansion. Always write a zero to this bit.
T his register’s initial state after reset is “x000 0000.”
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PDF描述 |
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| AD1849KP | Serial-Port 16-Bit SoundPort Stereo Codec |
| AD1851 | 16-Bit, 16×Fs PCM Audio DACs(16位,單片PCM音頻D/A轉(zhuǎn)換器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1846JP-REEL | 制造商:Analog Devices 功能描述: |
| AD1847 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Serial-Port 16-Bit SoundPort Stereo Codec |
| AD1847JP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD1847JP-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD1847JST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Serial-Port 16-Bit SoundPort Stereo Codec |
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