LPC Microcontrollers中的主题 Re: LPC1756 short circuit problem https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517824#M2365 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by LabRat on Sat Mar 29 02:21:04 MST 2014</STRONG><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: sathyan</STRONG><BR />I have brought two LPC1756 Microcontrollers. I tried to program the chip using the circuit in the attached file.</SPAN><HR /><BR /><BR /><SPAN>Are you using a board, too?</SPAN><BR /><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: sathyan</STRONG><BR />I couldn't find any reason for the short circuit, as i even tried connecting only the VDD and VSS pins to the 3.3V power supply.</SPAN><HR /><BR /><BR /><SPAN>Sounds like soldered in with wrong chip orientation...</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:33:17 GMT lpcware 2016-06-15T17:33:17Z LPC1756 short circuit problem https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517823#M2364 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sathyan on Fri Mar 28 22:46:48 MST 2014</STRONG><BR /><SPAN>Hello!</SPAN><BR /><BR /><SPAN>I have brought two LPC1756 Microcontrollers. I tried to program the chip using the circuit in the attached file.</SPAN><BR /><BR /><SPAN>Unfortunately, the controller gets shorted whenever i supply 3.3V to it.</SPAN><BR /><BR /><SPAN>There is no short between any pins.</SPAN><BR /><BR /><SPAN>I couldn't find any reason for the short circuit, as i even tried connecting only the VDD and VSS pins to the 3.3V power supply.</SPAN><BR /><BR /><SPAN>Please help.</SPAN><BR /><BR /><SPAN>Regards,</SPAN><BR /><SPAN>C.Sathyan</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 17:33:16 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517823#M2364 lpcware 2016-06-15T17:33:16Z Re: LPC1756 short circuit problem https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517824#M2365 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by LabRat on Sat Mar 29 02:21:04 MST 2014</STRONG><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: sathyan</STRONG><BR />I have brought two LPC1756 Microcontrollers. I tried to program the chip using the circuit in the attached file.</SPAN><HR /><BR /><BR /><SPAN>Are you using a board, too?</SPAN><BR /><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: sathyan</STRONG><BR />I couldn't find any reason for the short circuit, as i even tried connecting only the VDD and VSS pins to the 3.3V power supply.</SPAN><HR /><BR /><BR /><SPAN>Sounds like soldered in with wrong chip orientation...</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:33:17 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517824#M2365 lpcware 2016-06-15T17:33:17Z Re: LPC1756 short circuit problem https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517825#M2366 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sathyan on Sun Mar 30 22:06:00 MST 2014</STRONG><BR /><SPAN>@LabRat, Yes you are right!</SPAN><BR /><BR /><SPAN>I soldered the chip in wrong orientation!</SPAN><BR /><BR /><SPAN>I desoldered the chip and reassembled it. Now It's working fine. </SPAN><BR /><BR /><SPAN>Thanks a lot.</SPAN><BR /><BR /><SPAN>-Sathyan</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:33:18 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1756-short-circuit-problem/m-p/517825#M2366 lpcware 2016-06-15T17:33:18Z