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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/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/"><channel><title>Problem reading AD with upsd3354</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/18074/problem-reading-ad-with-upsd3354</link><description> I try to read ADC0 to 4 with a upsd3354, but the voltage at the pins P1.0 to 4 (measured with a scope) is always 3V3, and the readed value is 1023. 
 
P1SFS0 and P1SFS1 are equal to 0x1f, to put this inputs in special + ADC. 
 
The signals enter this</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator></channel></rss>