I was fascinated to discover that the mpu vendors were being disrupted by mcu vendors by virtue of the fact that the increase in functionality of the parts and free memory is leading to ever expanding features, features that users don't necessarily need for many applications.
As Christianson predicts with the Innovators Dilema model, microcontrollers came in on the low end and started competing on a new parameter - system on a chip solutions. Ten years ago they could run a few assembler instructions. Today they can put enough memory on the processors to compete with mpu and board level solutions of 10 years ago. They are currently capturing this business.
Microcontrollers are gaining ground because mcu technology is being commoditized into consumer goods which are sold in very high volumes. This high volume is pushing prices down and microcontrollers are a natural solution. BOM costs can drop by substantial amounts resulting in a big improvement in profitability for the OEMs.
Too cool.... theory meets practice....
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Real-time Embedded Linux and POSIX RTOSs For Microcontrollers (MCUs)
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