Kinetis MicrocontrollersのトピックRe: Kinetis K60 Flexbus FB_RW signal problem https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-Flexbus-FB-RW-signal-problem/m-p/148597#M121 <HTML><HEAD></HEAD><BODY><P>Found the problem!</P><P>I had a wrong idea ... FB_R/W signal is ok!</P><P>&nbsp;</P><P>My BGA RAM was not soldered correctly ..</P><P>&nbsp;</P><P>Sorry <IMG alt=":smileyhappy:" class="emoticon emoticon-smileyhappy" id="smileyhappy" src="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif" title="Smiley Happy" /></P></BODY></HTML> Tue, 12 Jul 2011 20:12:51 GMT monXii 2011-07-12T20:12:51Z Kinetis K60 Flexbus FB_RW signal problem https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-Flexbus-FB-RW-signal-problem/m-p/148596#M120 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>i want to use the Flexbus for external RAM and Flash..</P><P>&nbsp;</P><P>After some hours work and measuring with scope i found out that FB_RW always stay in last state ..</P><P>But my RAM and Flash wants that this signal goes after each read/write cycle back to high, cause they need this rising and falling edges on write cycles..</P><P>&nbsp;</P><P>Any ideas? I don't found any settings like this ..</P></BODY></HTML> Tue, 12 Jul 2011 16:18:46 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-Flexbus-FB-RW-signal-problem/m-p/148596#M120 monXii 2011-07-12T16:18:46Z Re: Kinetis K60 Flexbus FB_RW signal problem https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-Flexbus-FB-RW-signal-problem/m-p/148597#M121 <HTML><HEAD></HEAD><BODY><P>Found the problem!</P><P>I had a wrong idea ... FB_R/W signal is ok!</P><P>&nbsp;</P><P>My BGA RAM was not soldered correctly ..</P><P>&nbsp;</P><P>Sorry <IMG alt=":smileyhappy:" class="emoticon emoticon-smileyhappy" id="smileyhappy" src="http://freescale.i.lithium.com/i/smilies/16x16_smiley-happy.gif" title="Smiley Happy" /></P></BODY></HTML> Tue, 12 Jul 2011 20:12:51 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-Flexbus-FB-RW-signal-problem/m-p/148597#M121 monXii 2011-07-12T20:12:51Z