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If you are using the ccs bootloader, you need to set up SIOW to use no flow control, rather than the Xon/Xoff option.

I've had the ccs bootloader working with SIOW using an 18F2525 for a while now. ...

I've been struggling with a PIC18F2525, trying to do the same thing.

If I start the CCS compiler, and use the ICD-U40, I can download the bootloader into the chip, start it up, and then use SIOW to ...

I'd suggest you distribute your code by itself, and tell people that to make it work they have to compile it with the CCS compiler available at CCS - this way they will *have* to get the drivers too. ...

I think you have the chip select lines the wrong way up - bring it low while you write to or read from it, high when you are not doing so.

Here is my code for a 3204, using a 16C67:

byte first_d ...

I use ExpressPCB. You can download the programs for free from their web site, and the PCB program links directly to them to get the boards made. You can get them to send you gerbers if you want to h ...

A while ago I attempted to use Atmel EEPROMS for data storage. I found that I had to implement the write code as a loop, writing the value, reading it back, and if it didn't work, writing it again un ...

It's a high speed isolator that can run at 110MBS, using Giant Magnetostrictive technology (whatever the hell that is). I've been using them for a while with virtually no problems. They also don't s ...