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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>I2C communication Bus. SDA Hard Pull-up</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/683/i2c-communication-bus-sda-hard-pull-up</link><description>I am using Laird Bluetooth-4 device BL600 with smartBASIC. While communicating over the I2C bus I am encountering the Hard Pull-up on SDA line. During the Slave ACK I could measure the conflict with ~16mA Pull-up by 51822 GPIO.
I have Three I2C slave</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Tue, 03 Dec 2013 15:32:58 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/683/i2c-communication-bus-sda-hard-pull-up" /><item><title>RE: I2C communication Bus. SDA Hard Pull-up</title><link>https://devzone.nordicsemi.com/thread/3435?ContentTypeID=1</link><pubDate>Tue, 03 Dec 2013 15:32:58 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:f48fee05-ea47-4d25-a059-84257de8d897</guid><dc:creator>Ole Morten</dc:creator><description>&lt;p&gt;This case was also handled in the support portal, and it seemed like this problem stemmed from a bug the TWI implementation in Laird&amp;#39;s BASIC environment that has now been fixed.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: I2C communication Bus. SDA Hard Pull-up</title><link>https://devzone.nordicsemi.com/thread/3433?ContentTypeID=1</link><pubDate>Tue, 12 Nov 2013 16:34:31 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:bd8364a3-c4cf-4c23-ab7a-c180b289b52a</guid><dc:creator>Bastiaan</dc:creator><description>&lt;p&gt;Hi Zbigniew.
Could you please contact Laird support.
Thank you&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: I2C communication Bus. SDA Hard Pull-up</title><link>https://devzone.nordicsemi.com/thread/3434?ContentTypeID=1</link><pubDate>Tue, 12 Nov 2013 16:34:31 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:33c2c122-40fa-4a3a-8278-fffbbf33353b</guid><dc:creator>Guest</dc:creator><description>&lt;p&gt;Hi Zbigniew.
Could you please contact Laird support.
Thank you&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>