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by dmitrygr
2351 days ago
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NOR flash is also slow. That is why a lot of microcontrollers that run at hundreds of megahertz have very strange flash accelerators that read slowly in parallel (STM uses a 128-bit-wide bus for example), and then dispense data/code to the CPU quickly in 16 or 32-bit pieces. Most ROMs can be read very quickly. |
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