#Letter#
#ARM Architecture#
#ARM Core#
#System-on-chip#
#Board#
#Defines the instruction set,
interface with the MMU,
interrupts, etc.
It is just a specification.#
#Is a specific implementation of
a given ARM architecture.
Delivered in the form of a netlist or
Verilog code to licensees.#
#Integrates the ARM core
with a number of
peripherals around it.
Done by silicon vendors,
sold in the form
of a chip.#
#Integrates the SoC
on a PCB with other
components around it.
Done by board and
system makers.#