Hi All, Recently I build a wiggler clone with reference attached schematic(jtagwigglersch.jpg). I using my own lpc2148 development kit, I tried to debug my board with H-JTAG. It is really surprising for me that I'm able to detect the device(please see Connection.jpg) but while debugging the code I using the check option in H-Flasher to verify the connection. It is giving me error: Cant halt target and make it enter debug. If anybody have faced this kind of problem share the solution for this. Thanks, Amit C
IRC the TRST-line is needed too for this controller - (S)RST might not be enough.
Thank you Martin, I Connected a nTRST signal and its working perfectly. Thanks, Amit C
Hi amit c i had that problem like you.could you share new programer's schematic? tnx
Hello, I don't have tool to draw a schematic, but I'll explain the changes. 1. Connect the 6th no pin of parallel port to 9 no pin of 74xx244. 2. Connect 11 no pin of 74xx244 to the 3rd no pin of jtag header. 3. And 18 no pin of 74xx244 to ground. Thanks Amit
How can i solve this problem i have
hi frinds i have a problem with above circuit when i am using this circuit for lpc1768 the h-jtag server was not connecting.it was showing the massage unable to load h-jtag lpt driver. only usb modem is supported.please help me ....
Hello s .vrao, Hope you have selected lpt port for programming in settings. Please confirm if not. Thanks Amit C
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Not 18 ... but 19