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Nordic Semiconductor /nrf51 /GPIO /PIN_CNF[8]

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Interpret as PIN_CNF[8]

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31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (Input)DIR 0 (Connect)INPUT 0 (Disabled)PULL 0 (S0S1)DRIVE0 (Disabled)SENSE

DIR=Input, DRIVE=S0S1, PULL=Disabled, INPUT=Connect, SENSE=Disabled

Description

Configuration of GPIO pins.

Fields

DIR

Pin direction.

0 (Input): Configure pin as an input pin.

1 (Output): Configure pin as an output pin.
INPUT

Connect or disconnect input path.

0 (Connect): Connect input pin.

1 (Disconnect): Disconnect input pin.
PULL

Pull-up or -down configuration.

0 (Disabled): No pull.

1 (Pulldown): Pulldown on pin.

3 (Pullup): Pullup on pin.
DRIVE

Drive configuration.

0 (S0S1): Standard ‘0’, Standard ‘1’.

1 (H0S1): High ‘0’, Standard ‘1’.

2 (S0H1): Standard ‘0’, High ‘1’.

3 (H0H1): High ‘0’, High ‘1’.

4 (D0S1): Disconnected ‘0’, Standard ‘1’.

5 (D0H1): Disconnected ‘0’, High ‘1’.

6 (S0D1): Standard ‘0’, Disconnected ‘1’.

7 (H0D1): High ‘0’, Disconnected ‘1’.
SENSE

Pin sensing mechanism.

0 (Disabled): Disabled.

2 (High): Wakeup on high level.

3 (Low): Wakeup on low level.

Links

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Register License

Copyright © 2010 - 2021, Nordic Semiconductor ASA All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Register Reference

https://github.com/cmsis-svd/cmsis-svd-data