Application does not start without programmer (only with programmer)

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by langbein42 on Sun Aug 02 12:23:18 MST 2015

I think I need a little bit help for my first project with the LPC1517.
I'm new with LPCXpresso and the LPC1517.
I use the LPC1517 for a hardware design and I wrote a simple application only to switch a LED depending on a pressed button. It's just for testing if programming is in general working. If I flash the software into the LPC1517 the application is running fine. So I think writing the application to flash is ok.

But if I switch of power and repower the design again, the application seems not so start.

What I did in my design:
- I pulled up the ISP0 and ISP1 pins -> the bootloader should not start
- I pulled up the RESET-Pins -> Reset should be high after power on

What can the reason be why the application does not start after power on?
Is this more likely a hardware or software problem?
Maybe I forgot some compiler settings?

I also attached the schematic of LPC1517 in my design.

Thank you