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

Different microcontrollers do well at different things.  It depends on what your needs are.  The BasicX-24 contains a fast Basic interpreter with floating point arithmetic.  Many of its I/O pins can be used as ADCs.  It has lots of memory for program and data.  If that's what you need for your project, that's fine.   Parallax's microcontrollers have other selling points.  Ease of use is one of them.  Support and the sheer mass of educational materials is another.  The SX processor has a nice, fast, predictable interrupt mechanism that allows easy creation of various virtual devices and it can do Sigma-Delta ADC on one or several I/O pins.  The Propeller is a fast multiprocessor with a built-in interpreter for Spin, a proprietary language with some similarities to C.  There's a large library of I/O drivers for various sensors, direct support of SD cards for PC compatible mass storage, displays, keyboards, servo and stepper motors, etc.  There's even a simple Basic interpreter written in Spin that can be used as the basis for special functions.

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