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WM8912 데이터시트(PDF) 27 Page - Wolfson Microelectronics plc

부품명 WM8912
상세설명  Ultra Low Power DAC with Headphone Driver for Portable Audio Applications
PDF  128 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8912 데이터시트(HTML) 27 Page - Wolfson Microelectronics plc

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Production Data
WM8912
w
PD, Rev 4.0, September 2010
27
INITIALISATION
When the DRC is initialised, the gain is set to the level determined by the DRC_STARTUP_GAIN
register field. The default setting is 0dB, but values from -3dB to +6dB are available, as described in
Table 8.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R40 (28h)
DRC Control 0
10:6
DRC_STARTUP_
GAIN [4:0]
00110
Initial gain at DRC start-up
00000 = -3dB
00001 = -2.5dB
00010 = -2dB
00011 = -1.5dB
00100 = -1dB
00101 = -0.5dB
00110 = 0dB (default)
00111 = 0.5dB
01000 = 1dB
01001 = 1.5dB
01010 = 2dB
01011 = 2.5dB
01100 = 3dB
01101 = 3.5dB
01110 = 4dB
01111 = 4.5dB
10000 = 5dB
10001 = 5.5dB
10010 = 6dB
10011 to 11111 = Reserved
Table 8 DRC Initialisation



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