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Agreed. To add to that - I think what Jay was trying to highlight is the difference between chips that can generally run Linux (which generally requires an MMU
by phlipski 5y ago
Agreed. To add to that - I think what Jay was trying to highlight is the difference between chips that can generally run Linux (which generally requires an MMU) and those that run an RTOS. Is this an exact line of demarcation with no blurry edges? No. But it seems to work for me. Maybe a better way to think of this is - does the system have external DRAM (if so run linux) or not - if so run RTOS.
Our of curiosity - does anyone still sell a (by strict definition) a true "micro-processor"?
- marcan_42 5y agoThe most recently sold micro-processors used in a mass market product that come to mind are the CPUs of the Wii/PS3/Xbox 360 era consoles (in particular the PPC750CL in the Wii is a pure CPU). The Wii U then glued three of those together into a three-core die, so if you're willing to consider just the CPU die and not the entire MCM, that one was also a pure CPU. Digi-Key still shows the 750CL in stock, but it's obviously an obsolete product at this point.