AVRISP MK2 CLONE DRIVER

For device pin-out information, build the Doxygen documentation from the source by executing “make doxygen”. The MKII has a 16mhz crystal If my MKII craps out on me I just may have to try this out as well, although I suspect it’ll probably take me more like a week. Noter- That’s really nice! That is an impressive bit of work for one evening. I expect it will go easy compared to the TPI.

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No schematic for the clone programmer is currently provided – it is up to the abrisp to design their own schematic from the example schematic in the USB AVR’s datasheet, plus any additional desired hardware.

Noter- I’ve not gotten to play with the ATTiny10 yet, although it’s on my list. Noter- That’s really nice! Then from code you can change to 8Mhz, use the watchdog timer at Khz, or switch to an external clock. The MKII has a 16mhz crystal I expect it will go easy compared to the TPI. Level conversion, isolation or any additional features may be added to suit the end use environment.

One varisp of a programmer using the clone firmware Source. Special thanks to Tom Lightwho has been instrumental in testing new code revisions to ensure correct operation. I was surprised to find there is no voltage level conversion between the pins on the mkII at90usb at 5v and the PDI pins on the xmega even though the xmega is powered at 3.

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Four Walled Cubicle – AVRISP-MKII Clone

You are not logged in. Is there a fuse like on other Atmel chips for a delay after startup so the oscillator avirsp settle? But the mkII was only waiting 1us and was well into transmitting when the ATTiny10 came to life as can be seen in this analyzer screen capture. Website template by Arcsin.

Took a few hours and lots of searching to finally get it working on my mkk2 If you enjoy my work, please consider a small donation to help my future open source efforts by clicking the image below:. TPI wasn’t working for me so after trying everything I could think of I hooked up the logic analyzer and after a while found the problem.

That is an impressive bit of work for one clon. I also built and used the open source usbasp programmer http: Had to wade thru the mkII code a bit and then just change the delay from 1us to 1ms. Did you avirsp that you can impress a loved one with a digitally-controlled Valentine’s Day Card with randomly twinkling LEDs?

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AVRISP-MKII Clone (2010)

The good news is the fix was pretty simple. I’m curious what speeds other people are using.

If my MKII craps out on me I just may have to try this out as well, although I suspect it’ll probably take me more like a week.

I’ve not gotten to play with the ATTiny10 yet, although it’s on my list. If you enjoy my work, please consider a small donation to help my future open source efforts by clicking the image below: It is entirely open source and has a wide range of configuration options to adjust the feature set and pin-out.

The pinouts between the programmer AVR and the target are given in the project documentation; at its most simplest the two can be directly connected together with no isolation. For device pin-out information, build the Doxygen documentation from the source by executing “make doxygen”.

Then verifies it in another 0. This MKII clone is incredible, downloads a byte hex file in 0.