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WM1811A Datasheet(PDF) 174 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 174 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
174
AIF2 - DIGITAL PULL-UP AND PULL-DOWN
The WM1811A provides integrated pull-up and pull-down resistors on each of the DACDAT2,
DACLRCLK2 and BCLK2 pins. This provides a flexible capability for interfacing with other devices.
Each of the pull-up and pull-down resistors can be configured independently using the register bits
described inTable 101.Note that if the Pull-up and Pull-down are both enabled for any pin, then the
pull-up and pull-down will be disabled.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1794
(0702h)
Pull Control
(BCLK2)
14
BCLK2_PU
0
BCLK2Pull-up enable
0 = Disabled
1 = Enabled
13
BCLK2_PD
1
BCLK2 Pull-down enable
0 = Disabled
1 = Enabled
R1795
(0703h)
Pull Control
(DACLRCLK2)
14
DACLRCLK2_
PU
0
DACLRCLK2Pull-up enable
0 = Disabled
1 = Enabled
13
DACLRCLK2_
PD
1
DACLRCLK2Pull-down enable
0 = Disabled
1 = Enabled
R1796
(0704h)
Pull Control
(DACDAT2)
14
DACDAT2_PU
0
DACDAT2Pull-up enable
0 = Disabled
1 = Enabled
13
DACDAT2_PD
1
DACDAT2Pull-down enable
0 = Disabled
1 = Enabled
Table 101 AIF2 Digital Pull-Up and Pull-Down Control



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