參數(shù)資料
型號: P95020NQG8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 107/169頁
文件大?。?/td> 4297K
代理商: P95020NQG8
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
42
2011 Integrated Device Technology, Inc.
Mixer Input Volume Control - DAC1 Registers (DAC1x_MIX_VOL)
These registers manage the mixer input signal volume for DAC1, Left and Right respectively.
-
The MSB, bit D7, of each register is the mute bit. When this bit is set, the output is silent.
-
There are 32 gain selections from 12 dB to -34.5 dB. The step size is 1.5 dB.
DAC1L_MIX_VOL: IC Address = Page-1: 170(0xAA), C Address = 0xA1AA
Table 52. Mixer Input Volume Control – DAC1 Register (Left)
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
[4:0] D1MVL
0Ch
RW
00h = 12 dB gain
0Ch = 0 dB gain
1Fh = 34.5 dB attenuation
Left Volume Control
[6:5] RESERVED 00b
RW
RESERVED
7
MUTE_L
1b
RW
0 = Not Muted
1 = Muted
Left Mute
DAC1R_MIX_VOL: IC Address = Page-1: 171(0xAB), C Address = 0xA1AB
Table 53. Mixer Input Volume Control – DAC1 Register (Right)
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
[4:0] D1MVR
0Ch
RW
00h = 12 dB gain
0Ch = 0 dB gain
1Fh = 34.5 dB attenuation
Right Volume Control
[6:5] RESERVED 00b
RW
RESERVED
7
MUTE_R
1b
RW
0 = Not Muted
1 = Muted
Right Mute
Mixer Input Volume Control - Line Input Registers (LINEINx_MIX_VOL)
These registers manage the mixer input signal volume for the Line input, Left and Right respectively.
-
The MSB, bit D7, of each register is the mute bit. When this bit is set, the output is silent.
-
There are 32 gain selections from 12 dB to -34.5 dB. The step size is 1.5 dB.
LINEINL_MIX_VOL: IC Address = Page-1: 172(0xAC), C Address = 0xA1AC
Table 54. Mixer Input Volume Control – Line Input Register (Left)
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
[4:0] LMVL
0Ch
RW
00h = 12 dB gain
0Ch = 0 dB gain
1Fh = 34.5 dB attenuation
Left Volume Control
[6:5] RESERVED 00b
RW
RESERVED
7
MUTE_L
1b
RW
0 = Not Muted
1 = Muted
Left Mute
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