topic Re: No Vpp Programming Voltage in CodeWarrior for MCU https://community.nxp.com/t5/CodeWarrior-for-MCU/No-Vpp-Programming-Voltage/m-p/133307#M1412 <HTML><HEAD></HEAD><BODY><DIV></DIV>Found the issue. <FONT size="2">Even if I have checked that on the rising edge of the reset the state of MODA and MODB (low), it was not sufficient. Theses pins must be pulled down no for setting the correct MCU mode.</FONT></BODY></HTML> Thu, 27 Apr 2006 00:30:28 GMT Philou 2006-04-27T00:30:28Z No Vpp Programming Voltage https://community.nxp.com/t5/CodeWarrior-for-MCU/No-Vpp-Programming-Voltage/m-p/133306#M1411 <HTML><HEAD></HEAD><BODY><DIV>Hi guys</DIV><DIV>&nbsp;</DIV><DIV>i'm trying to&nbsp;debug a S12X software, and i have this issue, no programming voltage. i have suspected a board issue. but on another one it's the same issue.</DIV><DIV>i have that on the command display:</DIV><DIV>Vppon command file correctly executed.</DIV><DIV>FP: No programming voltage</DIV><DIV>FP: No programming voltage</DIV><DIV>FP: ALL_PPAGES flash module is bad or protected.<BR />executing .\cmd\P&amp;E_Multilink_CyclonePro_vppoff.cmd</DIV><DIV>&nbsp;</DIV><DIV>i have tried to unsecure the chip, but when i do that the debbugger crashes.</DIV><DIV>&nbsp;</DIV><DIV>Any thoughts?</DIV><DIV>&nbsp;</DIV><DIV>Thanks for your help.</DIV><DIV>&nbsp;</DIV><DIV>Philou</DIV></BODY></HTML> Fri, 21 Apr 2006 22:48:20 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/No-Vpp-Programming-Voltage/m-p/133306#M1411 Philou 2006-04-21T22:48:20Z Re: No Vpp Programming Voltage https://community.nxp.com/t5/CodeWarrior-for-MCU/No-Vpp-Programming-Voltage/m-p/133307#M1412 <HTML><HEAD></HEAD><BODY><DIV></DIV>Found the issue. <FONT size="2">Even if I have checked that on the rising edge of the reset the state of MODA and MODB (low), it was not sufficient. Theses pins must be pulled down no for setting the correct MCU mode.</FONT></BODY></HTML> Thu, 27 Apr 2006 00:30:28 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/No-Vpp-Programming-Voltage/m-p/133307#M1412 Philou 2006-04-27T00:30:28Z