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IMEM is implemented, the memory is mapped into the instruction memory space and located right at the
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IMEM is implemented, the memory is mapped into the instruction memory space and located right at the
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beginning of the instruction memory space (default `ispace_base_c` = 0x00000000).
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beginning of the instruction memory space (default `ispace_base_c` = 0x00000000).
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By default, the IMEM is implemented as RAM, so the content can be modified during run time. This is
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By default, the IMEM is implemented as RAM, so the content can be modified during run time. This is
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required when using a bootloader that can update the content of the IMEM at any time. If you do not need
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required when using a bootloader that can update the content of the IMEM at any time. If you do not need
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the bootloader anymore – since your application development has completed and you want the program to
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the bootloader anymore - since your application development has completed and you want the program to
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permanently reside in the internal instruction memory – the IMEM is automatically implemented as _pre-intialized_
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permanently reside in the internal instruction memory - the IMEM is automatically implemented as _pre-intialized_
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ROM when the processor-internal bootloader is disabled (_INT_BOOTLOADER_EN_ = _false_).
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ROM when the processor-internal bootloader is disabled (_INT_BOOTLOADER_EN_ = _false_).
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When the IMEM is implemented as ROM, it will be initialized during synthesis with the actual application
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When the IMEM is implemented as ROM, it will be initialized during synthesis with the actual application
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program image. The compiler toolchain will generate a VHDL initialization
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program image. The compiler toolchain will generate a VHDL initialization
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file `rtl/core/neorv32_application_image.vhd`, which is automatically inserted into the IMEM. If
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file `rtl/core/neorv32_application_image.vhd`, which is automatically inserted into the IMEM. If
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