參數(shù)資料
型號(hào)： CDB4223
廠商： Cirrus Logic, Inc.
元件分類： Codec
英文描述： 24-Bit 105 dB Audio Codec with Volume Control
中文描述： 24位105分貝的音量控制音頻編解碼器
文件頁(yè)數(shù)： 14/32頁(yè)
文件大?。?/td> 778K
代理商： CDB4223
CS4223 CS4224
14
DS290PP3
5.1.6
CLOCKING ERROR (CLKE) (READ ONLY)
Default = 0
0 - No error
1 - Error
5.2
DAC Control (address 02h)
5.2.1
MUTE ON CONSECUTIVE ZEROS (MUTC)
Default = 0
0 - Disabled
1 - Enabled
Function:
The DAC output will mute following the reception of 512 consecutive audio samples of static 0 or -1
when this function is enabled. A single sample of non-static data will release the mute. Detection and
muting is done independently for each channel. The muting function is affected, similar to volume
control changes, by the SOFT bit in the DAC Control register.
5.2.2
MUTE CONTROL (MUTR-MUTL)
Default = 0
0 - Disabled
1 - Enabled
Function:
The output for the selected DAC channel will be muted when this function is enabled. The muting
function is affected, similar to volume control changes, by the SOFT bit in the DAC Control register.
5.2.3
SOFT RAMP CONTROL (SOFT)
Default = 0
0 - Soft Ramp level changes
1 - Zero Cross level changes
Function:
Soft Ramp level changes will be implemented by incrementally ramping, in 0.5 dB steps, from the cur-
rent level to the new level. The rate of change defaults to 0.5 dB per 8 left/right clock periods and is
adjustable through the RMP bits in the DAC Control register.
Zero Cross level changes will be implemented in a single step from the current level to the new level.
The level change takes effect on a zero crossing to minimize audible artifacts. If the signal does not
encounter a zero crossing, the level change will occur after a timeout period of 512 sample periods
(10.7 ms at 48 kHz sample rate). Zero crossing is independently monitored and implemented for each
channel. The ACCR and ACCL bits in the Converter Status Report register indicate when a level
change has occurred for the right and left channel.
7
6
5
4
3
2
1
0
Reserved
0
MUTC
0
MUTR
0
MUTL
0
SOFT
0
Reserved
0
RMP1
0
RMP0
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
CDB4228 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit, 96 kHz Surround Sound Codec
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