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SoCs concepts and manufacters

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dainiss

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I've been studying the implementation of single board computers, and started to see the types of architectures from ARM RISC processors and SoC's. Now there are things that I can not clarify.
My questions are:
1 to implement a single-board computer, for example, in the format PC104, we need, among others, a processor? or we need an SoC?
2 - semiconduters manufacturers such as TI, Freescale, Atmel, Cirrus, are SoCs manufacters or they just sell the "know how" to someone else manufact ?
3-What is the relationship of large corporations such as Samsung Electronics Co, IBM or Taiwan Semiconductor Manufacturing Corp. (TSMC) and manufacturers such as TI, Freescale, Atmel, Cirrus in the manufacture or sale of SoC's?

i think i am confusing all of these concepts.

regards
 

saurabhr8here

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Soc typically refers to a chip that contains a main microprocessor, on-chip memory, memory controllers along with numerous other components that can include wifi/audio/video/graphics processors and controllers. depending on what your application is, you can work with a simple processor or a SoC.

Taking ARM processors as an example, here is a simplified view of how you get the final processor/SoC product: Companies such as TI, Freescale etc. license the ARM processor architecture and/or design and then will add the rest of the components of the SoC (wifi/audio/video/graphics etc.) around the main processor. Depending on the license that they have, they might modify the final design of the processor (just architecture license) or they get the processor design as is (processor license). They send these designs to foundries which include TSMC, Globalfoundries, Samsung, IBM etc. for fabrication. Finally the packaged chips are sold in the market as a sole SoCs, evaluation boards and more often as parts of larger systems like mobile phones, tablets, Smart TVs etc.

I hope now you have a clearer picture of how these concepts relate to each other.
 

dainiss

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ok.. more clear now
thank you
regards
 

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