[chbot] Stampalike progress, microchip direct, and a toaster oven.

Andrew Errington a.errington at lancaster.ac.uk
Tue Apr 22 12:22:54 BST 2008


On Tue, April 22, 2008 17:58, Chris Hellyar wrote:
> Hurro, thanks for the feedback...
>> 2) Add three pads for (optional) SMD resonator.
>>
>>
> That's not a bad idea, and I've got heaps of space due to the length of
> the 20pin sil, will have a look at that idea.  Might make it a through-hole
> though, as there are so many variations on SMD resonator footprints it's
> not funny, and 3 pin resonators are common as muck.  I had figured the
> 8Mhz internal would do 95% of what folks would want to
> do with the '88 on a hobby project, and they could stick a resonator
> external if they wanted..  Default config for the RS232 bootloader will be
> to use the internal 8Mhz.

Again, you can do both, i.e. you have holes for through-hole
resonators/crystals and an SMD footprint overlapping or very close to the
holes.  Don't forget blank pads for (SMD) load caps so a crystal can be
used.

A




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