Electronics > Beginners
Which companies license intellectual property for microcontrollers
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ZeroResistance:

--- Quote from: srce on November 29, 2018, 12:51:54 pm ---EnSilica are in the UK, so probably convenient for you, assuming your flag is correct. I know them quite well  ;) Cadence & Synopsys both have their own CPUs, associated IP and offer design services in the UK, but will be significantly more expensive. (Of course, IC design isn't cheap wherever you go :P)

There are lots of other IP providers + design services companies. But not so many who do everything.

--- End quote ---
Any idea how much would the cost be the one time cost for the IP and then do they operate on a model similar to ARM I mean a royalty based model?
srce:

--- Quote from: ZeroResistance on November 29, 2018, 05:23:10 pm ---
--- Quote from: srce on November 29, 2018, 12:51:54 pm ---EnSilica are in the UK, so probably convenient for you, assuming your flag is correct. I know them quite well  ;) Cadence & Synopsys both have their own CPUs, associated IP and offer design services in the UK, but will be significantly more expensive. (Of course, IC design isn't cheap wherever you go :P)

There are lots of other IP providers + design services companies. But not so many who do everything.

--- End quote ---
Any idea how much would the cost be the one time cost for the IP and then do they operate on a model similar to ARM I mean a royalty based model?

--- End quote ---
What IP? Just the CPU, bus + digital peripherals or everything in your original post? There's a big difference. (Particularly if you want analog IP as it will most likely need to be customized and ported to your specific process). You really need a more specific set of requirements.

Most smaller vendors will offer a choice between royalty based or royalty free, with the latter having a higher upfront fee.






ZeroResistance:

--- Quote from: srce on November 29, 2018, 05:37:44 pm ---
--- Quote from: ZeroResistance on November 29, 2018, 05:23:10 pm ---
--- Quote from: srce on November 29, 2018, 12:51:54 pm ---EnSilica are in the UK, so probably convenient for you, assuming your flag is correct. I know them quite well  ;) Cadence & Synopsys both have their own CPUs, associated IP and offer design services in the UK, but will be significantly more expensive. (Of course, IC design isn't cheap wherever you go :P)

There are lots of other IP providers + design services companies. But not so many who do everything.

--- End quote ---
Any idea how much would the cost be the one time cost for the IP and then do they operate on a model similar to ARM I mean a royalty based model?

--- End quote ---
What IP? Just the CPU, bus + digital peripherals or everything in your original post? There's a big difference. (Particularly if you want analog IP as it will most likely need to be customized and ported to your specific process). You really need a more specific set of requirements.

Most smaller vendors will offer a choice between royalty based or royalty free, with the latter having a higher upfront fee.

--- End quote ---

Apologies, I should have been more specific. It would be good to know about both
1. CPU only
2. CPU and everything else as listed above
brucehoult:

--- Quote from: mikeselectricstuff on November 29, 2018, 09:15:23 am ---
--- Quote from: ZeroResistance on November 29, 2018, 05:45:09 am ---Are there any other 32bit processors around worth considering?

--- End quote ---
RISCV ?

--- End quote ---

SiFive has a range of RISC-V processor architectures covering approximately the same territory as Cortex M0 to A7/A55. The (currently) three different microarchitectures are all available in both 32 and 64 bit versions, with and without MMU for Linux (etc), with and without floating point.

You can license a core to include on your own chip, or SiFive can build chips for you.

You can customise cores with various options here: https://www.sifive.com/core-designer

Coming soon, you'll be able to integrate a core or cores with a wide range of peripherals (both analogue and digital) to design a complete custom SoC yourself, online: https://www.sifive.com/chip-designer

(until then, SiFive engineers can do this for you)

IP from a number of partners is available. Use of IP for prototype chips (on shuttle runs) is free. Per-chip license charges for IP applies for volume production. https://www.sifive.com/designshare
ZeroResistance:

--- Quote from: brucehoult on November 30, 2018, 03:41:47 pm ---
Coming soon, you'll be able to integrate a core or cores with a wide range of peripherals (both analogue and digital) to design a complete custom SoC yourself, online: https://www.sifive.com/chip-designer


--- End quote ---

1. When would chip designer be released?
2. How long does it take for shuttle runs?
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