In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Coriolis wrote:

I agree that it is not proper to make fun of your ability to write english.

As already discussed, Ubicom bought Scenix (the original makers of the SX), and proceeded to use the technology to develop the next generation (IP series), but with that step they walked away from the hobby community. The SX has been a "dead chip" for many years now,  but that doesn't mean it has lost it's usefulness. It still runs faster than almost all of the current versions of the PIC, Mega and other comperable microcontrollers. Periodically someone complains that the SX doesn't have ___ (insert ADC, serial com, etc), but if you read the papers on the SX you'll know it was never the intention to incorporate such features, even when the chip was still "live". The entire premise of the chip was to do away with all of the "sometimes used" hardware and replace it with speed and deterministic execution. With both of those features, you can create software equivalents to the hardware they didn't include, read the documents on Virtual Peripherals for an in depth explanation. 

Sure the SX has it's drawbacks, but so does every oher microcontroller on the market. If you weight all things ,the SX comes out as the best general purpose 8 bit microcontroller on the market, which is pretty amazing considering how old of a design it is. But because something is old, does not mean it lacks utility, the most used design for a mousetrap was patented in 1921 and here we are 84 years later still buying them by the millions each year, even through cleaner and more humane traps exist.

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