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Re: [avr-gcc-list] Programming Circuit for AVRDUDE

From: M. Fahmy F.
Subject: Re: [avr-gcc-list] Programming Circuit for AVRDUDE
Date: Sat, 14 Jun 2003 10:26:37 +0700

Hi there,

Now I'm in the first month of using AVR with "my own" ISP dongle :)
It's just fun.

I don't know if it can download a program so called "bootloader" since I
have never built such program :(
It works fine until now for "my regular" programs.

If you still interested in creating your own ISP dongle, I hope this might
help you.
a. Take a look into the avrdude.conf file, there're informations on how to
use the parallel port pins for your avrdude,
b. Take time to apply bus-buffer ( eg. 74xx245 ) and separate VCC supply for
your dongle, ( I don't draw power from my parallel port! )

Google up for "AVR ISP dongle", you'll find interesting sites.

Have fun with your new AVR :)


----- Original Message -----
From: "Donovan Parks" <address@hidden>
To: <address@hidden>
Sent: Saturday, June 14, 2003 8:28 AM
Subject: [avr-gcc-list] Programming Circuit for AVRDUDE

> Hello,
> I am brand new to the AVR scene and am in the process of trying to setup a
> development environment.  I have avr-gcc up and running and have used AVR
> Studio 4 to simulate some simple programs.  Today I ordered my first AVR
> ATmega8L) and would love to have a programmer setup when it arrives.
> My question: is there a simple (i.e. something that could be built on a
> breadboard) programming circuit that can be used to program AVR's.  I have
> read through the AVRDUDE manual and it seems promising, but does not
> any information on the circuits themselves.  Are there major limitations
> programming AVR's in this manner (as opposed to using an STK500)?  What
> I not be able to do (there is some meantion of certain fuses not being
> accessible in parallel or serial programming modes)?
> Can I use AVRDUDE with an appropriate circuit to program in a bootloader?
> Thanks,
> Donovan
> _______________________________________________
> avr-gcc-list mailing list
> address@hidden
> http://www.avr1.org/mailman/listinfo/avr-gcc-list

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