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To use with ARM CPU, not to implement. When I worked with SoC design back in 2008, the situation was just like that - use A* buses freely unless you have an ARM
by thesz 8y ago
To use with ARM CPU, not to implement. When I worked with SoC design back in 2008, the situation was just like that - use A* buses freely unless you have an ARM CPU in your design (even if that CPU is implemented by you). Then you need a license.
Leon family of CPUs used AXB, I think, for example.
- repiret 8y agoSo if you buy an architecture license to design your own core and you want to use AMBA in your design, you have to pay extra? I find that very surprising, but having never worked for an architecture licensee, I don’t have any information to contradict it. Can you share a sense of how expensive the bus license is relative to the architecture license?