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WM9090ECS/R Datasheet(PDF) 62 Page - Wolfson Microelectronics plc

Part # WM9090ECS/R
Description  Ultra Low Power Audio Subsystem
PDF  81 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9090ECS/R Datasheet(HTML) 62 Page - Wolfson Microelectronics plc

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WM9090
Production Data
w
PD, November 2010, Rev 4.1
62
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
IN2A Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
Register 1Ah IN2 Line Input A Volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R27 (1Bh)
IN2 Line
Input B
Volume
8
IN2_VU
N/A
Input PGA Volume Update
Writing a 1 to this bit will cause IN2A and IN2B input
PGA volumes to be updated simultaneously
7
IN2B_MUTE
1
IN2B PGA Mute
0 = Un-Mute
1 = Mute
6
IN2B_ZC
0
IN2B PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
2:0
IN2B_VOL
[2:0]
011
IN2B Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
IN2B Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
Register 1Bh IN2 Line Input B Volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R28 (1Ch)
Left Output
Volume
8
HPOUT1_VU
N/A
Headphone Output PGA Volume Update
Writing a 1 to this bit will update HPOUT1LVOL and
HPOUT1RVOL volumes simultaneously.
7
HPOUT1L_ZC
0
Left Headphone Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only



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