4.8 Stereo Analog Mixer Input Gain Registers (Index 10h - 18h) Mute Stereo Input Mute. Setting this bit mutes the respective i" />
參數(shù)資料
型號: CS4299-JQZR
廠商: Cirrus Logic Inc
文件頁數(shù): 17/52頁
文件大?。?/td> 0K
描述: IC CODEC AC 97 W/SRC 48-LQFP
標準包裝: 2,000
系列: SoundFusion™
類型: 音頻編解碼器 '97
數(shù)據(jù)接口: 串行
分辨率(位): 18 b,20 b
ADC / DAC 數(shù)量: 1 / 1
三角積分調變:
動態(tài)范圍,標準 ADC / DAC (db): 85 / 87
電壓 - 電源,模擬: 4.75 V ~ 5.25 V
電壓 - 電源,數(shù)字: 4.75 V ~ 5.25 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
CS4299
24
4.8
Stereo Analog Mixer Input Gain Registers (Index 10h - 18h)
Mute
Stereo Input Mute. Setting this bit mutes the respective input signal, both right and left inputs.
GL[4:0]
Left Volume Control. The GL[4:0] bits are used to control the gain level of the left analog input
source to the Input Mixer. Each step corresponds to 1.5 dB gain adjustment, with 01000 = 0 dB.
The total range is +12 dB to -34.5 dB gain. See Table 4 for further details.
GR[4:0]
Right Volume Control. The GR[4:0] bits are used to control the gain level of the right analog in-
put source to the Input Mixer. Each step corresponds to 1.5 dB gain adjustment, with 01000 =
0 dB. The total range is +12 dB to -34.5 dB gain. See Table 4 for further details.
Default
8808h. This value corresponds to 0 dB gain and Mute ‘set’.
The Stereo Analog Mixer Input Gain Registers are listed in Table 5.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
0
GL4
GL3
GL2
GL1
GL0
0
GR4
GR3
GR2
GR1
GR0
Gx[4:0]
Gain Level
00000
+12.0 dB
00001
+10.5 dB
……
00111
+1.5 dB
01000
0.0 dB
01001
-1.5 dB
……
11111
-34.5 dB
Table 4. Analog Mixer Input Gain Values
Register Index
Function
10h
Line In Volume
12h
CD Volume
14h
Video Volume
16h
Aux Volume
18h
PCM Out Volume
Table 5. Stereo Volume Register Index
24
DS319PP6
CS4299
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