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WM8940CGEFL/RV 数据表(PDF) 29 Page - Wolfson Microelectronics plc

部件名 WM8940CGEFL/RV
功能描述  Mono CODEC with Speaker Driver
PDF  91 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8940CGEFL/RV 数据表(HTML) 29 Page - Wolfson Microelectronics plc

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Production Data
WM8940
w
PD, Rev 4.3, November 2011
29
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R33 (21h)
ALC Control 2
3:0
ALCLVL
[3:0]
1011
(-6dB)
ALC target – sets signal level at ADC
input
1111 = -1.5dBFS
1110 = -1.5dBFS
1101 = -3dBFS
1100 = -4.5dBFS
1011 = -6dBFS
1010 = -7.5dBFS
1001 = -9dBFS
1000 = -10.5dBFS
0111 = -12dBFS
0110 = -13.5dBFS
0101 = -15dBFS
0100 = -16.5dBFS
0011 = -18dBFS
0010 = -19.5dBFS
0001 = -21dBFS
0000 = -22.5dBFS
7:4
ALCHLD
[3:0]
0000
(0ms)
ALC hold time before gain is increased.
0000 = 0ms
0001 = 2.67ms
0010 = 5.33ms
0011 = 10.66ms
0100 = 21.32ms
0101 = 42.64ms
0110 = 85.28ms
0111 = 0.17s
1000 = 0.34s
1001 = 0.68s
1010 or higher = 1.36s



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