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參數(shù)資料
| 型號： | PCM3794 |
| 元件分類： | Codec |
| 英文描述： | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| 中文描述： | 16位，低功耗立體聲音頻編解碼器麥克風(fēng)偏置，耳機(jī)，揚聲器放大器和數(shù)字 |
| 文件頁數(shù)： | 33/63頁 |
| 文件大小： | 915K |
| 代理商： | PCM3794 |
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PCM3793
PCM3794
SLES193A–AUGUST 2006–REVISED SEPTEMBER 2006
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 70
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
DEM1
DEM0
PFM1
PFM0
RSV
RSV
RSV
OVER
IDX[6:0]:
100 0110b (46h): Register 70
DEM[1:0]: De-Emphasis Filter Selection
Default value: 00
The digital de-emphasis filter is in front of the interpolation filter. One of three de-emphasis filters can be
selected, corresponding to sampling rate, 32 kHz, 44.1 kHz, or 48 kHz.
DEM[1:0]
00
01
10
11
De-Emphasis Filter Selection
OFF (default)
32 kHz
44.1 kHz
48 kHz
PFM[1:0]: Audio Interface Selection for DAC (Digital Input)
Default value: 00
The audio interface for the DAC digital input has I
2
S, right-justified, left-justified, and DSP formats.
PFM[1:0]
00
01
10
11
Audio Interface Selection for DAC Digital Input
I
2
S format (default)
Right-justified format
Left-justified format
DSP format
OVER: Oversampling Control for Delta-Sigma DAC
Default value: 0
This bit is used to control the oversampling rate of delta-sigma DAC. When the PCM3793/94 operates at low
sampling rates, less than 24 kHz with SCKI frequency less than 12.5 MHz, using this function with OVER = 1 is
recommended.
OVER = 0
OVER = 1
128 f
S
(default)
192 f
S
, 256 f
S
, 384 f
S
33
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| PCM3794RHBRG4 | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| PCM3794RHBT | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM-3794 | 制造商:AAEON 制造商全稱:AAEON 功能描述:PCI-104 2-slot PCMCIA Module /Three IEEE-1394 Port Daughter Board |
| PCM3794A | 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| PCM-3794-A10 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) - Bulk |
| PCM-3794-A10-01 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) & PCM-3594 IEEE-1394 3-PORT - Bulk |
| PCM3794ARHB | 制造商:Texas Instruments 功能描述:AUD CODEC 2ADC / 2DAC 16BIT 32QFN EP - Tape and Reel |
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