topic MCF52233 SDA and SCL in ColdFire/68K Microcontrollers and Processors https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF52233-SDA-and-SCL/m-p/279383#M11898 <HTML><HEAD></HEAD><BODY><P>I am working communicating with a magnetometer through I2C.&nbsp; I am pretty confident our code is right for the I2C as far as init, read and write.&nbsp; We also added external pull up resistors from the data lines to VDD.&nbsp; We are not getting any clock signal from SCL or data from SDA.&nbsp; Do these pins need to be configured in some way?</P></BODY></HTML> Thu, 28 Feb 2013 23:54:16 GMT anthonyrios 2013-02-28T23:54:16Z MCF52233 SDA and SCL https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF52233-SDA-and-SCL/m-p/279383#M11898 <HTML><HEAD></HEAD><BODY><P>I am working communicating with a magnetometer through I2C.&nbsp; I am pretty confident our code is right for the I2C as far as init, read and write.&nbsp; We also added external pull up resistors from the data lines to VDD.&nbsp; We are not getting any clock signal from SCL or data from SDA.&nbsp; Do these pins need to be configured in some way?</P></BODY></HTML> Thu, 28 Feb 2013 23:54:16 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF52233-SDA-and-SCL/m-p/279383#M11898 anthonyrios 2013-02-28T23:54:16Z Re: MCF52233 SDA and SCL https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF52233-SDA-and-SCL/m-p/279384#M11899 <HTML><HEAD></HEAD><BODY><P>My partner figured it out.&nbsp; It turns out the </P><P>MCF_GPIO_PASPAR = 0X05</P><P>This sets the PASPAR1 and PASPAR0 corresponding to SCL and SDA pins to primary function which is needed for the I2C.</P></BODY></HTML> Fri, 01 Mar 2013 00:21:10 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF52233-SDA-and-SCL/m-p/279384#M11899 anthonyrios 2013-03-01T00:21:10Z