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參數(shù)資料
| 型號(hào)： | CDB42L51 |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 29/43頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR CS42L51 CODEC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 音頻編解碼器 |
| 嵌入式： | 是，其它 |
| 已用 IC / 零件： | CS42L51，CS8406，CS8415 |
| 主要屬性： | 立體聲數(shù)字音頻發(fā)射器和接收器 |
| 次要屬性： | 圖形用戶界面，S/PDIF 接口 |
| 已供物品： | 板，CD |
| 相關(guān)產(chǎn)品： | CS42L51-DNZR-ND - IC CODEC STEREO W/HDPN AMP 32QFN 598-1627-ND - IC CODEC STEREO W/HDPN AMP 32QFN CS42L51-CNZR-ND - IC CODEC LOW-V 24BIT 32-QFP 598-1045-ND - IC CODEC STEREO W/HDPN AMP 32QFN |
| 其它名稱： | 598-1005 |
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DS679F1
35
CS42L51
4.4.2
Volume Controls
Three digital volume control functions are implemented, offering independent control over the ADC and
PCM signal paths into the mixer as well as a combined control over the mixed signals. All volume controls
are programmable to ramp in increments of 0.125 dB at a rate controlled by the DAC soft ramp/zero cross
settings.
All signal paths may also be independently muted via mute control bits. When enabled, each bit attenu-
ates the signal to its maximum value. When the mute bit is disabled, the signal returns to the attenuation
level set in the respective volume control register. The attenuation is ramped up and down at the rate
specified by the DAC_SZC[1:0] bits.
4.4.3
Mono Channel Mixer
A channel mixer may be used to create a mix of the left and right channels for either the PCM or ADC
signals. This mix allows the user to produce a MONO signal from a stereo source. The mixer may also be
used to implement a left/right channel swap.
4.4.4
Beep Generator
The Beep Generator generates audio frequencies across approximately two octave major scales. It offers
three modes of operation: Continuous, multiple and single (one-shot) beeps. Sixteen on and eight off
times are available.
Note: The Beep is generated before the limiter and may affect desired limiting performance. If the limiter
function is used, it may be required to set the Beep volume sufficiently below the threshold to prevent the
peak detect from triggering. Since the master volume control, AOUTx_VOL[7:0], will affect the Beep vol-
ume, DAC volume may alternatively be controlled using the PCMMIXx_VOL[6:0] bits.
Software
Controls:
Software
Controls:
Software
Controls:
Gain
dB
-10dB
0dB
Frequency
T2 = 15 s
T1=50 s
F1
F2
3.183 kHz
10.61 kHz
Figure 14. De-Emphasis Curve
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDB42L51/FAE | 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR THE CS42L51 PORTABLE STEREO CODEC - Bulk |
| CDB42L52 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd LP CODEC w/classD Spkr Driver RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB42L52/FAE | 制造商:Cirrus Logic 功能描述:EVAL BD LOW-VOLTAGE STEREO CODEC - Bulk |
| CDB42L55 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd Ultra Low PWR Stereo Codec RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB42L56 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 24Bit Ultra LP Ster CD w/clH HP RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
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