Programming Issues with ICD-U80

Sesha · Joined: 15 Dec 2016 Posts: 1

Hi All,
We recently purchased a new programmer ICD-U80 for programming PIC18 microcontrollers.
Every time I try to program or debug my code using ICD-U80 from either CCS Loader or CCS Compiler it results in verification error after programming.

Let me know if any one has encountered this issue.

Thanks in Advance.

Ttelmah · Joined: 11 Mar 2010 Posts: 19549

How long is the programming cable?.
How is the power being handled?.

newguy · Joined: 24 Jun 2004 Posts: 1909

With both the Load-n-Go and the ICD-U64 I've found that I sometimes need to roll back the programmer's firmware to an earlier release. Try doing so for your ICD-U80 if the cable length Ttelmah asked about isn't an issue.

kmp84 · Joined: 02 Feb 2010 Posts: 354

Hello,

Someone successfully using CCS ICD-U80?

I got a new one, but can not do debugging. Gave me some access violation errors, or step into and step over does not work, with different firmware and compiler version!
CCS do not say with which versions of FW and SW should work! Crying or Very sad

Thanks,

Ttelmah · Joined: 11 Mar 2010 Posts: 19549

What chip?.
What compiler version?.
Have you tried just programming from CCSLoad?.

You really need to talk to CCS. I had a similar problem with the latest 5.076.
It failed with different debuggers (U64, U80, Mach-X).
However it would program from CCSLoad. They sent me a revised DLL which fixed this.

kmp84 · Joined: 02 Feb 2010 Posts: 354

Hi Mr.Ttelmah,

I tried with CCS C 5.061 and 5.074 , ICD-U80 FW 2.18 and the latest 3.25, PIC16LF727, 18f46k22, .etc.
Some times, when I get stable debug session with ICD-U80 it's NOT fast as they say :

Ttelmah · Joined: 11 Mar 2010 Posts: 19549

Unfortunately, the latest stuff, I know only works with the current IDE.

The real speed advantages don't appear on the older chips, only ones like DsPIC's where you load a programming executive into the chip, and this then communicates directly with the programmer.
Debugging though is always slower than programming. I've moaned about it, since on some of the larger chips, which can program in only a few seconds, yet to load a program to debug takes many times longer... :(

newguy · Joined: 24 Jun 2004 Posts: 1909

I haven't had any luck whatsoever with the ICD-U80. My experience was that the CCS device programmer software would lose contact with it, "lock" momentarily, reconnect, then program. This happened every time I'd attempt to program. I believe this was with 5.074. Haven't tried with any newer versions of the compiler as my ICD-U64 works fine.

andy5056 · Joined: 22 Nov 2009 Posts: 5 Location: Thomasboro, IL

Some time ago I bought the ICD-U80 for dsPIC33EP and PIC18 development. The U80 has always worked fine for me on the PIC18 parts. It is a different matter with the dsPIC33EP and now PIC24EP. On both parts, hex file loading is faster than the U64, but breakpoints do not work. Recently I discovered that the U80 will not program a bootloader in dsPIC33EP AUX memory - the verify step shows all AUX bytes are 00.

Just today a colleague mentioned a problem using the U80 to program a dsPIC33EP, and he found the ICD-U64 worked file. So I dug out my old U64. Sure enough, the ICD-U64 breakpoints work on the dsPIC33EP, and I can single step. The U64 correctly loads my PIC24EP bootloader in AUX memory. Yes, the U64 is slower to load program flash, and the CPU speed does not display the correct PLL-generated rate, but I am abandoning the ICD-U80. I should have tried the ICD-U64 long ago!

Andrew