Hi, When I using ULINK2 to program LPC2478, the uVision4 showed "no JTAG device found". It was working normal before but failed suddenly at this board. Can anyone help me on this ?
Ihad the same problem with my ulink2 i think that u cant supply the uC from the ulink you need another source of energy i dont know it for sure but i solved it this way.
Thanks Mateusz Mazurek. I agree that to try another way :), however, I have to fix my two uLink2 adapter and find out the root cause to avoid the same problem in future.
Is there any Keil expert here ?
I think I have got the root cause. My Laptop is installed with MDK V4.60, my PC was installed with MDK V4.72 (newest version). I think the original firmware of my ulink2 adapter was v1.42.
OK, when I using my laptop(MDK V4.60) with the ulink2 adapter, it was good. Then at the next debug, I was using my PC (MDK V4.72) with the ulink2 adapter, during the debug, the updated uVision program upgraded the firmware of my ulink2 adapter from v1.42 to v2.01, then the adapter failed to detect the JTAG target at both version of uVision (MDK V4.72 & V4.60).
I have downgrade the ulink2 firmware from v2.01 to v1.42, now it worked without any issue with uVision V4.60.
I will not upgrade the uVision anymore...:(
Any Keil folk can explain why ??
Don't the release notes go into this? Keil has direct support contacts, use those.
Hi. I have the same problem. I was working on UVision3 previously. We had no problem with the JTAG. Now i had upgraded to UVision4. The JTAG is working fine with UV4 but it is not able to recognize on UV3. I think when i installed UV4 the drivers got updated for the JTAG. Can anyone tell me how to make it work with UV3.