HVP on studio 6 with Dragon prog'g

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Hi,
Has anyone else tried Hi-Voltage Programming using the Dragon with studio 6?
I have a 328P on a NANO3 (Arduino) with a blown SPIEN fuse. Needless to say, I can't program it via ISP.

In studio 6 I open the Device Programming window and select Dragon, HVP, 328P and the target voltage appears as 4.2 volts.

The problem is that when I select fuses (or any other tab on the left side), the target voltage goes to zero. It looks like there's missing code after that point since the window functions stop working. I must close this window and re-open it in order to get the target voltage back.

Any suggestions are welcome!

Asking a better question, is the beginning of learning.
**********************
New Hardware Hackers SIG in San Diego, CA Meets 2nd. Tuesday, more info www.Spincraft.com
***********************

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How is the chip wired up on the Dragon? I guess you know it needs about 20 wires for Hi-Voltage Programming.

John Samperi

Ampertronics Pty. Ltd.

https://www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly

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Thanks for your reply.
This URL has the dragon HVPP connector pinout.
[url]
http://www.atmel.no/webdoc/avrdr...
[/url]
This is what I used to wire up to the 328P.

Since the target voltage goes to zero when I change tabs in the device prog'g window, I suspect this issue is not the wiring. All feedback is appreciated.

Asking a better question, is the beginning of learning.
**********************
New Hardware Hackers SIG in San Diego, CA Meets 2nd. Tuesday, more info www.Spincraft.com
***********************

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Quote:
This is what I used to wire up to the 328P.
But that's NOT Hi-Voltage Programming.

Look at the Dragon Help in Studio on how to connect for PARALLEL Hi-Voltage Programming, as I said for the Mega328 it's about 20 wires! :-)

John Samperi

Ampertronics Pty. Ltd.

https://www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly