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WM8994ECS/R 数据表(PDF) 262 Page - Cirrus Logic

部件名 WM8994ECS/R
功能描述  Multi-channel Audio Hub CODEC for Smartphones
PDF  363 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8994ECS/R 数据表(HTML) 262 Page - Cirrus Logic

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WM8994
262
Rev 4.6
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R27 (1Bh)
Right Line
Input 3&4
Volume
8
IN2_VU
0
Input PGA Volume Update
Writing a 1 to this bit will cause IN2L and IN2R input PGA
volumes to be updated simultaneously
7
IN2R_MUTE
1
IN2R PGA Mute
0 = Disable Mute
1 = Enable Mute
6
IN2R_ZC
0
IN2R PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
4:0
IN2R_VOL [4:0]
0_1011
IN2R Volume
-16.5dB to +30dB in 1.5dB steps
Register 1Bh Right Line Input 3&4 Volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R28 (1Ch)
Left Output
Volume
8
HPOUT1_VU
0
Headphone Output PGA Volume Update
Writing a 1 to this bit will update HPOUT1LVOL and
HPOUT1RVOL volumes simultaneously.
7
HPOUT1L_ZC
0
HPOUT1LVOL (Left Headphone Output PGA) Zero Cross
Enable
0 = Zero cross disabled
1 = Zero cross enabled
6
HPOUT1L_MUT
E_N
1
HPOUT1LVOL (Left Headphone Output PGA) Mute
0 = Mute
1 = Un-mute
5:0
HPOUT1L_VOL
[5:0]
10_1101
HPOUT1LVOL (Left Headphone Output PGA) Volume
-57dB to +6dB in 1dB steps
00_0000 = -57dB
00_0001 = -56dB
… (1dB steps)
11_1111 = +6dB
Register 1Ch Left Output Volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R29 (1Dh)
Right Output
Volume
8
HPOUT1_VU
0
Headphone Output PGA Volume Update
Writing a 1 to this bit will update HPOUT1LVOL and
HPOUT1RVOL volumes simultaneously.
7
HPOUT1R_ZC
0
HPOUT1RVOL (Right Headphone Output PGA) Zero Cross
Enable
0 = Zero cross disabled
1 = Zero cross enabled
6
HPOUT1R_MUT
E_N
1
HPOUT1RVOL (Right Headphone Output PGA) Mute
0 = Mute
1 = Un-mute
5:0
HPOUT1R_VOL
[5:0]
10_1101
HPOUT1RVOL (Right Headphone Output PGA) Volume
-57dB to +6dB in 1dB steps
00_0000 = -57dB
00_0001 = -56dB
… (1dB steps)
11_1111 = +6dB
Register 1Dh Right Output Volume



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