AVR-Chat

I'm using an adaptor to program the chip before
soldering.  A similar one is Xeltek A011 which is
selling at Digikey at $225.  I may help you to source
a cheaper one if you need.

William Lai
MCU ProShop
http://www.mcuproshop.com


--- Peter Gargano <peter@techedge.com.au> wrote:

> Peter Gargano wrote:
> > I have a lot of Mega-16 chips in TQFP 44 pin
> package that I want to 
> > program (before soldering them into a board).
> 
> A lot is 100 or more
> 
> > The programmer is not a problem (STK500 or
> AVRISP), but what do I use 
> > to physically connect to the chip for programming?
> I guess I'm after a 
> > TQFP ZIP socket.
> 
> I guess I didn't make it clear that I wanted
> something that would let 
> me program TQFP chips by either removing them from
> the "racks" they 
> come in and inserting them into a zero insertion
> force (ZIF) "carrier" 
> that would itself be connected to something like an
> STK500.
> 
> Soldering anything to the unprogrammed TQFP chips
> isn't an option.
> 
> What we do now is hold the chip by hand onto a proto
> PCB that we have. 
> This is hardly a reliable solution, and is more time
> consuming than 
> necessary.
> 
> Another solution is to have a "socket" that is
> slotted into the 
> individual carrier the chips come in. Given enough
> time I'm sure I 
> could engineer a one-off solution, but time is not
> on my side at the 
> moment.
> 
> These people ..
> 
>    http://www.yamaichi.com/
> 
> seem to have solutions but their web site is so
> badly organised, and 
> their engineering drawings so bad, that I'm not sure
> what they really 
> sell, but some other people who make socket adapters
> use Yamaichi parts.
> 
> Peter
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> te.
> 


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