Robert Luketic

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11 years, 10 months ago.

Unable to get Part ID and Booloader version.

I managed to create a PCB so that just plug the MBED on to of the PCB and the four pins to go from the mbed to the LPC1768 are connected when the two bard mates together. Here is my schematics, layout and bill of materials

Here is my schematics and custom PCB /media/uploads/bjsrlu/barebone_nxp1768.bmp

If it is not visible, here are the complete schematics, layout, and BOM /media/uploads/bjsrlu/lpc1768_barebonerev2.1wifi.pdf

/media/uploads/bjsrlu/20130227_005135.jpg /media/uploads/bjsrlu/20130227_012633.jpg

I downloaded the following codes from the prototype-to-hardware page: /media/uploads/bjsrlu/source_codes.bmp

I am able to get the "Synchronize" message after I type ? but I try to run the command to get the part ID by typing the letter J or K to get the bootloader version, I am seeing garbage character. /media/uploads/bjsrlu/screen_capture.bmp

Can anybody tell me why?

If you are interested in building one and tell me what's wrong. Here is my Gerber file: /media/uploads/bjsrlu/lpc1768_minimun_hardware.zip

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Last updated: 08 Mar 2013
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