RE: [avr-chat] how to program surface-mount micros?

[Ashley Ward]

Hi, Chris

I would imagine, build the end product with I.C. installed then have a 
connector for communicating with the device this would be easier, maybe?

Having the program completed once prototyping is at final stage.
Then download to end product for programming.

Just a thought.

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Clemens Koller
Sent: 18 July 2007 07:50 PM
To: Chris Bare
Cc: address@hidden
Subject: Re: [avr-chat] how to program surface-mount micros?

Hi, Chris!

Chris Bare schrieb:
> I'm considering using a surface mount tiny28 in my next project to keep
> overalls size down, but I've only worked with the DIP packages and am at a
> loss in how to program the surface mount ones.
> I don't see any place to plug them in on the STK500, is there some kind of
> adapter? or is there a socket to adapt the suface mount chip to a DIP?
> 
> I'm pretty new to all this so please forgive what are probably obvious
> questions to some.

The ATtiny28 isn't in system programmable, right? So, you will
need some kind of adapter for the STK500 which are propably expensive
if you buy them. You propably can build your own one.

I would instead go for in system programmable devices.
I am using a small 10pin Samtec FTS-105-01-F/L-DV to program the AVRs
- adopted from another JTAG programmer we use.

If you don't wan't/can't do that, you can propably build a programming
"adapter" where you have the tiny28 soldered to your board and contact
the assembled board via some test pins like:
http://www.test-x.com/bare/S-SIZE-0.pdf
You have to take care that the circuit still allows programming of your
tiny... YMMV.

Regards,
-- 
Clemens Koller
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