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Re: [avr-chat] how to connect USBasp to attiny2313
From: |
Andreas Graebe |
Subject: |
Re: [avr-chat] how to connect USBasp to attiny2313 |
Date: |
Fri, 02 Aug 2013 08:31:14 +0200 |
Am Freitag, den 02.08.2013, 07:22 +0200 schrieb YuGiOhJCJ Mailing-List:
> Hello,
>
> I have just bought a USBasp programmer [1] to program an ATMEL attiny2313
> micro-controller [2].
> I would like to use avrdude to program my micro-controller.
>
> On [1] I can see the schematic of USBasp whereas in [2] I can see the
> schematic of attiny2313.
> But it is not enough because I can't guess how to link the 10 pins of USBasp
> with the 20 pins of attiny2313.
> I can see the VCC and the GND in each of them, so I can imagine that I must
> link like this:
>
> USBasp -> attiny2313
> ---
> VCC (2) -> VCC (20)
> GND (10) -> GND (10)
> ---
>
> But I am not sure.
> How to know what to do with the 8 other pins of USBasp ?
>
> Thank you.
> Best regards.
Hi, that's very simple. As you see in the datasheet, /Reset is on pin 1,
SCL on 19, MISO on 18, MOSI on 17.
It is very important that the controller ha a clock signal. By default,
it is the internal oscillator, with a prescaler by 8. So you have to set
your programmer to "slow clock" propably.
If you want to change the clock source, you have to change the
fuse-bits. This could be a trap; if you set them in a wrong way, the
controller needs propably an external clock.
A very good site for the programming of fuse-bytes is
http://www.engbedded.com/fusecalc they generate the code to change the
fusebits for avrdude.
I wish you good luck. Have fun.
--
Mit freundlichen Grüßen / kind regards
Andreas Graebe
- [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313,
Andreas Graebe <=
- Re: [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Andreas Graebe, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Ormund Williams, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Andreas Graebe, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Ormund Williams, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Andreas Graebe, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, YuGiOhJCJ Mailing-List, 2013/08/02
- Re: [avr-chat] how to connect USBasp to attiny2313, Ormund Williams, 2013/08/02