4.3 Alternate Volume Register (Index 04h) Mute Alternate Mute. Setting this bit mutes the ALT_LINE_OUT_L/R output signals. ML[" />
參數(shù)資料
型號(hào)： CS4299-JQZR
廠商： Cirrus Logic Inc
文件頁(yè)數(shù)： 14/52頁(yè)
文件大?。?/td> 0K
描述： IC CODEC AC 97 W/SRC 48-LQFP
標(biāo)準(zhǔn)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(diào)變： 是
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) 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(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 帶卷 (TR)
CS4299
21
4.3
Alternate Volume Register (Index 04h)
Mute
Alternate Mute. Setting this bit mutes the ALT_LINE_OUT_L/R output signals.
ML[4:0]
Alternate Volume Left. These bits control the left alternate output volume. Each step corre-
sponds to 1.5 dB gain adjustment, with 00000 = 0 dB. The total range is 0 dB to -46.5 dB atten-
uation. See Table 2 for further attenuation levels.
ML5
Alternate Volume Left Max Attenuation. Setting ML5 sets the left channel attenuation to
-46.5 dB by forcing ML[4:0] to a ‘1’ state. ML[5:0] will read back 011111 when ML5 has been
‘set’. Table 2 summarizes this behavior.
MR[4:0]
Alternate Volume Right. These bits control the right alternate output volume. Each step corre-
sponds to 1.5 dB gain adjustment, with 00000 = 0 dB. The total range is 0 dB to -46.5 dB atten-
uation. See Table 2 for further attenuation levels.
MR5
Alternate Volume Right Max Attenuation. Setting MR5 sets the right channel attenuation to
-46.5 dB by forcing MR[4:0] to a ‘1’ state. MR[5:0] will read back 011111 when MR5 has been
‘set’. Table 2 summarizes this behavior.
Default
8000h. This value corresponds to 0 dB attenuation and Mute ‘set’.
4.4
Mono Volume Register (Index 06h)
Mute
Mono Mute. Setting this bit mutes the MONO_OUT signal.
MM[5:0]
Mono Volume. These bits control the mono output volume. Each step corresponds to 1.5 dB
gain adjustment, with a total available range from 0 dB to -46.5 dB attenuation. See Table 2 for
further attenuation levels.
MM5
Mono Volume Max Attenuation. Setting the MM5 bit sets the mono attenuation to -46.5 dB by
forcing MM[4:0] to a ‘1’ state. MM[5:0] will read back 011111 when MM5 has been ‘set’. Table 2
summarizes this behavior.
Default
8000h. This value corresponds to 0 dB attenuation and Mute ‘set’.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
0
ML5
ML4
ML3
ML2
ML1
ML0
0
MR5
MR4MR3
MR2MR1MR0
Mx[5:0]
Write
Mx[5:0]
Read
Gain
Level
000000
0 dB
000001
-1.5 dB
……
...
011111
-46.5 dB
100000
011111
-46.5 dB
...
111111
011111
-46.5 dB
Table 2. Analog Mixer Output Attenuation
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
00
0
000
0
MM5
MM4
MM3
MM2
MM1
MM0
DS319PP6
21
CS4299
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