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The EMIF uses the PSOC I/O to provide 24 bit address, 16 bit data and control to external memory.
1. Is it possible to address larger memories? The PSOC5 memory map allows for 1 GB of external memory. Can the additional address bits be accessed and used to interface with larger memory devices?
2. Can code be executed out of this memory?
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PSoC 5LP
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Code can be executed from EMIF in PsoC5LP, but only with 16-bit external memories.
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Datasheet says:
1) No, perhaps with quite a bit of UDB magic, but I doubt it
2) Yes, code can be executed. 13.3.1 PSoC 5LP Memory Map ... Note that code can be executed from the code,
SRAM, and external RAM regions.
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Code can be executed from EMIF in PsoC5LP, but only with 16-bit external memories.