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Architectures and Processors forum System Bus in ARM Cortex-M4

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System Bus in ARM Cortex-M4

Alok Singh Thakur over 10 years ago

In what situations will separate data buses ( D and S) for ARM Cortex-M4 improve performance? Also, are there any benefits of von Neuman support along with the core Harvard Architecture?

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Yasuhiko Koumoto over 10 years ago +1 verified

Hello, for an execution of load or store instructions, the separate buses are beneficial. Because of its pipeline architecture, an instruction fetch and a data access are performed at the same time. If...