BBC Micro
Acorn Computers' first widely successful design was the BBC Micro, introduced in December 1981. This was a relatively conventional machine based on the MOS Technology 6502CPU

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Core licence
Arm Ltd.'s primary business is selling IP cores, which licensees use to create microcontrollers

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Arm Holdings provides a list of vendors who implement ARM cores in their design (application specific standard products (ASSP), microprocessor and microcontrollers).
Example applications of ARM cores
ARM cores are used in a

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ARMv8
ARMv8-A
Announced in October 2011, ARMv8-A (often called ARMv8 while

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Arm SystemReady, formerly named Arm ServerReady, is a certification program that helps land the generic off-the-shelf operating systems and

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PSA Certified, formerly named Platform Security Architecture, is an architecture-agnostic security framework and evaluation scheme. It is intended to help secure

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The 32-bit ARM architecture, such as ARMv7-A (implementing AArch32; see section on ARMv8-A for more on it), was the most widely used architecture in mobile devices as of 2011 .
Since 1995, various versions of the ARM Architecture Reference

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