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John Hind wrote:
[snip] However on my reading of the product card, the program memory for these chips tops out at only 750 Bytes! If you have to use external flash as well as RAM your cost and power consumption will end up as bad as a higher-end chip, and the pins will be eaten up by internal connections. Also a faster chip that needs to be out of standby for less time can often be more power efficient as many of the 32bit chips have very low standby consumption.
I think those of us who work on microcontrollers aren't daft. We use the right tool for the right job, a philosophy that is often repeated on this list. But when the uC is a tight fit, the issue becomes more speculative, hence the extended discussion. There are many ways to skin the cat.
The fact that Parallax made a business out of the Basic Stamp running around 10-20K instructions/sec with a serially connected EEPROM indicates that there is at the very least a non-zero academic or hobbyist market that we can play with. Or it can be a cool MSc project. Then again, we may not be doing it for commercial reasons, and we probably have enough grey cells to avoid putting it in an ABS braking system, or in a product with very tight specs and where battery life is critical.
-----Original Message----- From: Of David Given Sent: 11 February 2009 15:28 Of course it doesn't. I don't want to sully my art with filthy lucre!
-- Cheers, Kein-Hong Man (esq.) Kuala Lumpur, Malaysia