https://community.nxp.com/t5/Other-NXP-Products/PCA9629A-stepper-motor-control/m-p/482687#M3428 <HTML><HEAD></HEAD><BODY><P>Rewrote the code to a lower level (less complex) and it now works as advertised. Not sure exactly what I did wrong.</P></BODY></HTML> Wed, 16 Mar 2016 19:59:09 GMT fredroberts 2016-03-16T19:59:09Z https://community.nxp.com/t5/Other-NXP-Products/PCA9629A-stepper-motor-control/m-p/482686#M3427 <HTML><HEAD></HEAD><BODY><P>==&gt;SO CONFUSED ON FINDING A PLACE TO GET TECH SUPPORT ON&nbsp;&nbsp; PCA9629A. &lt;==</P><P></P><P>This appears to be a freescale forum, but its the only place I can find to ask anything.</P><P></P><P>My question is&nbsp; .... I can talk to the device and read it. But the pulse width I set is WAY to low and I have no idea why.</P><P>ie the datasheet calculations are orders of magnitude off. Ramp up/Ramp down disabled. I'm thinking this has to be an obvious bonehead mYstEAK .... but I'm out of ideas.</P><P></P><P>Fred​</P></BODY></HTML> Wed, 16 Mar 2016 18:05:00 GMT https://community.nxp.com/t5/Other-NXP-Products/PCA9629A-stepper-motor-control/m-p/482686#M3427 fredroberts 2016-03-16T18:05:00Z https://community.nxp.com/t5/Other-NXP-Products/PCA9629A-stepper-motor-control/m-p/482687#M3428 <HTML><HEAD></HEAD><BODY><P>Rewrote the code to a lower level (less complex) and it now works as advertised. Not sure exactly what I did wrong.</P></BODY></HTML> Wed, 16 Mar 2016 19:59:09 GMT https://community.nxp.com/t5/Other-NXP-Products/PCA9629A-stepper-motor-control/m-p/482687#M3428 fredroberts 2016-03-16T19:59:09Z