
© G.N. Khan ARM Processors/Cores – EE8205: Embedded Computer Systems Page: 22
ARM Cortex-M3
Introduced in 2004, the mainstream ARM processor developed
specifically with microcontroller applications in mind.
Registers
R0 – R15
Barrel Shifter
Sign Extender
Incrementer
MAC
Data Bus
Address
Bus
R15
(pc)
Rn
Rd
Result Bus
ALU
Address Register
Rm
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