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WM9090ECS/R Scheda tecnica(PDF) 18 Page - Wolfson Microelectronics plc

Il numero della parte WM9090ECS/R
Spiegazioni elettronici  Ultra Low Power Audio Subsystem
PDF  81 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9090ECS/R Scheda tecnica(HTML) 18 Page - Wolfson Microelectronics plc

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WM9090
Production Data
w
PD, November 2010, Rev 4.1
18
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
2:0
IN1A_VOL
[2:0]
011
IN1A Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
IN1A Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
R25 (19h)
IN1 Line Input
B Volume
8
IN1_VU
N/A
IN1 Volume Update
Writing a 1 to this bit will cause IN1A and
IN1B input PGA volumes to be updated
simultaneously
7
IN1B_MUTE
1
IN1B PGA Mute
0 = Un-Mute
1 = Mute
6
IN1B_ZC
0
IN1B PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
2:0
IN1B_VOL
[2:0]
011
IN1B Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
IN1B Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
R26 (1Ah)
IN2 Line Input
A 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
IN2A_MUTE
1
IN2A PGA Mute
0 = Un-Mute
1 = Mute



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