5.10 Record Gain Register (Index 1Ch) Mute Record Gain Mute. Setting this bit mutes the input to the L/R ADCs. GL[3:0" />
參數(shù)資料
型號: CS4205-KQZ
廠商: Cirrus Logic Inc
文件頁數(shù): 27/81頁
文件大?。?/td> 0K
描述: IC CODEC AC97 I2S 48-LQFP
標(biāo)準(zhǔn)包裝: 250
類型: 音頻編解碼器 '97
數(shù)據(jù)接口: 串行
分辨率(位): 18,20 b
ADC / DAC 數(shù)量: 1 / 2
三角積分調(diào)變:
動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 90 / 90
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(yīng)商設(shè)備封裝: 48-TQFP(9x9)
包裝: 托盤
產(chǎn)品目錄頁面: 754 (CN2011-ZH PDF)
其它名稱: 598-1182
CS4205
DS489PP4
33
5.10
Record Gain Register (Index 1Ch)
Mute
Record Gain Mute. Setting this bit mutes the input to the L/R ADCs.
GL[3:0]
Left ADC Gain. The GL[3:0] bits control the input gain on the left channel of the analog
source, applied after the input mux and before the ADCs. Each step corresponds to 1.5 dB
gain adjustment, with 0000 = 0 dB. The total range is 0 dB to +22.5 dB gain. See Table 10 for
further details.
GR[3:0]
Right ADC Gain. The GR[3:0] bits control the input gain on the right channel of the analog
source, applied after the input mux and before the ADCs. Each step corresponds to 1.5 dB
gain adjustment, with 0000 = 0 dB. The total range is 0 dB to +22.5 dB gain. See Table 10 for
further details.
Default
8000h. This value corresponds to 0 dB gain and Mute ‘set’.
5.11
Record Gain Mic Register (Index 1Eh)
Mute
Mic Record Gain Mute. When ‘set’, mutes the input to the microphone ADC.
GM[3:0]
Mic ADC gain. The GM[3:0] bits control the input gain on the microphone source. The gain is
applied after the input mux and before the ADC. Each step corresponds to 1.5 dB gain ad-
justment, with 0000 = 0 dB. The total range is 0 dB to +22.5 dB gain. See Table 10 for further
details.
Default
8000h. This value corresponds to 0 dB gain and Mute ‘set’.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
000
GL3
GL2
GL1
GL0
0000
GR3
GR2
GR1
GR0
Gx3 - Gx0 Gain Level
1111
+22.5 dB
……
0001
+1.5 dB
0000
0 dB
Table 10. Record Gain Values
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
00000000000
GM3
GM2
GM1
GM0
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