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(This message was transferred over from our old forum)
Posted August 17, 2015
By Todd DeBoerOn 10/21/13 ennegi92 asked, “Hi, I’ve a problem with my lpc1788 sdk kit. I’ve upload a bad elf file, so I can’t communicate with board anymore. It’s very strange, so I want to use SPI for clear flash memory. I want to use FlashMagic, but how can I do this? It’s possible to do this with j-link lite? Or I must use serial port?”
When the LPC17XX/LPC24XX gets into a bad state, you need to short the ISP entry signal to ground while programming.
See here for the revision 4 schematic for the SOMDIMM module.
http://www.teamfdi.com/support/touch-screen.php#dk-57vts-lpc1788
http://www.teamfdi.com/products/somdimm_lpc1788…MM-LPC1788_SCH_4.pdfOn J1 you need to short pins 3 and 4 together, then use the JLink to reprogram the unit.
If you purchased a USB-ISP then you should have a cable that will plug into the SOMDIMM’s J1, if not you can use a small flat head screw driver stuck in the middle of the pins to short them together
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