I have been working on a project using a M16/Tiny 026F8. To debug the project, I took a QSK26A and removed the 026F8 from the board. I then added a 14 pin header to the board and to that header attached the needed lines to control an outboard 026F8. Specifically:
Pin # M37641F8HP 026F8
Pin 1 pin 29 pin 28 (P6-5)
Pin 2 gnd gnd
Pin 3 pin 59 pin 4 (CNVss)
Pin 4 n/c n/c
Pin 5 pin 28,56 pin 26 (P6-7)
Pin 6 gnd gnd
Pin 7 pin 57 pin 6 (P8-6)
Pin 8 Vcc Vcc
Pin 9 pin 61 pin 29 (P6-4)
Pin 10 gnd gnd
Pin 11 pin 27 pin 27 (P6-6)
Pin 12 gnd gnd
Pin 13 pin 62 pin 7 (*reset)
I built a prototype PCB and had it working with HEW. I had a production run of the PCB's done and they do not work. I have checked for errors, but the boards ring out identical to the prototype PCB.
I can open up FoUSB and it says it downloads the program and verifys it - but the board does not work when power is applied away from the QSK26A.
In HEW, it recongnizes the board on startup for debugging, and also allows me to download a program. (It does pause for a few seconds after reaching 100% which seems strange) When I start the program in HEW, nothing seems to happen - breakpoints do not work. Clicking on the stop button gives the "Communication protocol error (Argument error)(16230)" and I have to use Task Manager to close HEW.
One difference I just thought of is that I am running WIn7 now where I was running Vista before.
If needed, I can post the schematic on my website.
I would really like to get these items on the market, so any help you can provide would be appreciated!
Hi David - notice that you have had 30 views in over 24 hours and no answers to your question - kind of sad.
I thought I would update myself on the latest efforts to make the production boards work - I have an E8 so I loaded the software for it and tried running HEW and my program with the production board with the E8 to see if it would work. It does not - the E8 times out.
I realize that using the QSK26 the way I did was not "standard" and why Renesas (if they read the forum) would not reply - thus the effort with the E8. But why bother using the QSK26 if you have an E8 available? Simply - the E8 does not provide all the functionality of the QSK26 debugger. As I recall a conversation with Renesas, you have to buy the E10 to have software breakpoints - yet the QSK26 provides software breakpoints with HEW!
Working with Renesas products for the past 5 years has been a definite love/hate relationship. I love the products - I have used the 26A and 62P on a number of successful projects with the QSK boards. But trying to get the microcontrollers to talk to a debugger with custom hardware has proven to be almost impossible - once with a 26A and once with a 62P. The support received via the forum has been almost non-existent. I realize I am not a major source of income for Renesas – but I feel that there should still be some sort of support for us small guys.
I have been designing with and programming microprocessors longer than some of the staff of Renesas has probably been alive (35 years). So it is not like I do not have a clue as to what I am doing.
Perhaps the time has come for me to accept a $150 loss on the production boards and another $200 loss on 0260F8 and 62P processors and move on to a different platform
Not looking for sympathy - or expecting a reply.
A very frustrated David