In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: You need to switch the SCL and SDA pins. The SX/B I2C commands require that SCL be the next HIGHEST bit on the same port as SDA. And you specifiy the SDA pin in the I2C command. See the I2C commands in the help file. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=104748#m105130 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)