Re: [beagleboard] Pull-up resistors

Fri, 13 May 2016 10:16:08 -0700

The AM3358 has internal pullup/pulldown resistors available for GPIO inputs. These can be enabled using the universal-io "https://github.com/cdsteinkuehler/beaglebone-universal-io";. If you are using a current version of Debian, the device tree should already be included. The github overview shows how to use config-pin, the command "config-pin -h" shows how to engage the pullup/pulldown resistors. 
Chad

On 5/13/16 10:48 AM, [email protected] wrote:
Are pull up resistors required for the GPIO pins when used as inputs or as outputs for the beaglebone black? I am using the beaglebone to drive a few n-channel MOSFETs. Thanks! 
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Chad Baker
Professor Emeritus
Electrical and Computer Engineering
Christian Brothers University
901-321-3440
[email protected]

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