Matrix user forums

Hi

I'm having some issues with the HP488v3 and Flowcode v5 running on Windows 7.

After struggling, going through the forums and experimenting with settings I can now get Flowcode v5 interacting with the HP488.

I'm using a 16F877A as my target however when I run a simple flasher program in Flowcode v4, where I have the chip oscillator setting as Xtal, all is good, but if I run a simple flasher using Flowcode v5 I have to change the chip oscillator setting to HS for the program to run on the HP488.

Any ideas as to why?

Regards

Hi

Ive been using this board for a long time and never had any problems with it.
Ive attached a couple for flasher programs for you to try
16F877A to flash B0
Set RC/xtal to xtal
Speed can be either fast or slow
Set RC/xtal to RC
Set Speed to fast and vary speed of flash with the pot just above the switches.

Note Setting to slow will be very slow with this
Try this with
RC/xtal to RC
Speed to slow
This will now flash but if you set to fast it will be too fast to see, ie on all the time.

Just tried all these on my HP488 and the run as described above. Let me know if you are still having trouble.

Hi John

Thanks for the reply. I've been using Flowcode and the HP488 for some time now, albeit infrequently and as more of an educational hobby if truth be told. I've only recently upgraded to Flowcode v5 and had some issues getting the HP488 to work with my laptop running v5 under W7. However as mentioned by going through forums and experimenting I found that whilst I can compile to chip, it would not run on the HP488 unless I changed the chip oscillator from Xtal to HS prior to compiling. If I use Flowcode v4 and the same board I have no problems with the oscillator set to Xtal prior to compiling and wondered why I need to make the change under v5.

I've downloaded your flasher programs and I'll try them and let you know how I get on.

Thanks again.