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參數(shù)資料
| 型號： | CDB4222 |
| 廠商： | Cirrus Logic, Inc. |
| 元件分類： | Codec |
| 英文描述： | 20-Bit Stereo Audio Codec with Volume Control |
| 中文描述： | 20帶有音量位立體聲音頻編解碼器控制 |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 580K |
| 代理商： | CDB4222 |
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Output Attenuator Data Byte (3, 4)
B7
B6
B5
ATT7
ATT6
ATT5
B4
ATT4
B3
ATT3
B2
ATT2
B1
ATT1
B0
ATT0
ATT7-ATT0
Sets attenuator level
0 - No attenuation
227 - 113.5 dB attenuation
>227 - DAC muted
ATT0 represents 0.5 dB of attenuation
This register defaults to 00h.
DSP Port Mode Byte (5)
B7
B6
DEM2 DEM1 DEM0 DSCK DDO
B5
B4
B3
B2
DDF2 DDF1 DDF0
B1
B0
DEM2-0
Selects de-emphasis control source
0 - De-emphasis controlled by pins
1 - 44.1 kHz de-emphasis setting
2 - 48 kHz de-emphasis setting
3 - 32 kHz de-emphasis setting
4 - De-emphasis disabled
5 - Not used
6 - Not used
7 - Not used
DSCK
Set the polarity of clocking data
0 - Data valid on rising edge of SCLK
1 - Data valid on falling edge of SCLK
Data output format
0 - I
2
S compatible
1 - Left justified
DDO
DDI2-DDI0
Data input format
0 - I
2
S compatible
1 - Left justified
2 - Right justified, 20-bit
3 - Right justified, 18-bit
4 - Right justified, 16-bit
5 - Not used
6 - Not used
7 - Not used
This register defaults to 00h.
Converter Status Report Byte (Read Only) (6)
B7
B6
B5
B4
ACCR ACCL LVR2
LVR1
B3
LVR0
B2
LVL2
B1
LVL2
B0
LVL0
ACCR-ACCL
Acceptance bit
0 - ATT7-0 has been accepted
1 - New setting waiting for zero crossing
LVL2-0,LVR2-0 Left and Right ADC output level
0 - Normal output levels
1 - -6 dB level
2 - -5 dB level
3 - -4 dB level
4 - -3 dB level
5 - -2 dB level
6 - -1 dB level
7 - Clipping
LVL2-0 and LVR2-0 bits are ’sticky’. They constantly
monitor the ADC output for the peak levels and hold
the maximum output. They are reset to 0 when read.
This register is read only.
CS4222
20
DS236PP3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CDB4224 | 24-Bit 105 dB Audio Codec with Volume Control |
| CDB4223 | 24-Bit 105 dB Audio Codec with Volume Control |
| CDB4225 | Digital Audio Conversion System |
| CDB4226 | Surround Sound Codec |
| CDB4228A | 24-Bit, 96 kHz Surround Sound Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDB4223 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control |
| CDB4224 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit 105 dB Audio Codec with Volume Control |
| CDB4225 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Digital Audio Conversion System |
| CDB4226 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Surround Sound Codec |
| CDB4227 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Six Channel, 20-Bit Codec |
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