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Author Topic: USB programmer schematic needed for ATMega8......!!!  (Read 5903 times)
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Tahmeed
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« on: January 06, 2011, 07:51:55 07:51 »

hello every1.......
I'm a beginner in uC programming.. Cool I wanna start with AVR's ATMega8 IC.. so pls recommend me a useful and easy to make, cheap programmer circuit schematic for USB port...I'll try to make it myself..
N.B........I have intel DG31 motherboard in pc which includes 1 serial port + 6 USB ports..... I wanna use USB...... Smiley
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KhepeleSibilo
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« Reply #1 on: January 06, 2011, 08:05:22 08:05 »

http://www.fischl.de/usbasp/
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metal
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« Reply #2 on: January 06, 2011, 08:24:32 08:24 »

and it works fine. You have to use the zener diodes on D-/+ in order for the PC USB ports to recognize USBasp without problems.

regards
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Tahmeed
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« Reply #3 on: January 09, 2011, 07:15:29 19:15 »

please can now i have an programmer schematic for ATMega32.......
 i think this is better than atmega8.......with more flash memory......pls share d link...... Cheesy
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metal
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« Reply #4 on: January 09, 2011, 07:28:34 19:28 »

USBasp supports many AVR chips. Where did you read that USBasp doesn't support programming ATmega32?
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DarkClover
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« Reply #5 on: January 18, 2011, 12:08:34 00:08 »

With USBprog you can program many different devices.
Therefore if you plan to extend the controller family later when you got into
all the AVR stuff this one would be perfect.

You can build it by yourself and it's open source.

Link: USBprog

Greets DarkClover
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pak
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« Reply #6 on: January 22, 2011, 06:07:21 06:07 »

If you are using C or C++ program with WINAVR then just buy Arduino board and save a lot of time and money. Check the component list of arduino for BOM. If you really want to build yourself, visit this site and get schematic and firmware as well. http://arduino.cc/en/Main/Hardware . It supports Mega8, 16, 324, 1280 and 2560.

Happy MCU Programming!
pak
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Tahmeed
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« Reply #7 on: January 22, 2011, 02:55:53 14:55 »

actually i found an circuit......hrre.........http://www.fischl.de/usbasp/.....but there was written that it is for atmega 8 n 48.... Roll Eyes... so i thought that it wont work for 32...... Cheesy
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microkid
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« Reply #8 on: January 22, 2011, 03:18:11 15:18 »

actually i found an circuit......hrre.........http://www.fischl.de/usbasp/.....but there was written that it is for atmega 8 n 48.... Roll Eyes... so i thought that it wont work for 32...... Cheesy

It works. I am using usbasp to program atmega32.

I think you misunderstood. The firmware is written for 8 and 48, but it can program most of the avr chips
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DarkClover
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« Reply #9 on: January 23, 2011, 07:53:40 19:53 »

Yeah it can be changed to almost every other AVR chip. I use a ATtiny2313 (the code needs a little bit of change)
and it works very well. My board is built completely out of SMD and fits into an USB flash drive case.

If you want, you can implement some status led's. They are quite handy to find errors during the programming.
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scrts
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« Reply #10 on: January 26, 2011, 03:38:05 03:38 »

I vote for STK500 from tuxgraphics. Works great, programming available directly from AVR Studio, no need of avrdude/ponyprog, really fast and handy.
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ambo
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« Reply #11 on: May 17, 2011, 04:47:21 16:47 »

Try USB AVR LAB  http://wiki.ullihome.de/index.php/USBAVR-ISP/de.  It can also function as a simple dev. board aside from being a h/w programmer that can easily be changed from avrispmkii, jtagicemkii or usbasp.  Oh and it uses an atmega8.  I used an atmega8L with a 12 MHz crystal.
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Tahmeed
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« Reply #12 on: June 20, 2011, 06:11:00 18:11 »

thanx to everyone for your kind help... Smiley   i think usbasp will be easiest for me to build...
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