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# Test Setups
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# Test Setups
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This folder contains very simple test setups that are intended for project beginners
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This folder contains very simple test setups that are intended for project beginners
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to setup a minimal NEORV32 SoC. These setups are used in the :books:
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to setup a minimal NEORV32 SoC. These setups are used in the :books:
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[NEORV32 User Guide](https://stnolting.github.io/neorv32/ug/).
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[NEORV32 User Guide](https://stnolting.github.io/neorv32/ug/).
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Note that these setups provides a minimalistic configuration to keep
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:information_source: Note that these setups provides a minimalistic configuration to keep
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things at a simple level at first. Additional CPU ISA extensions, performance options and
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things at a simple level at first. Additional CPU ISA extensions, performance options and
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optional peripheral modules can be enabled by specifying the according :book:
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optional peripheral modules can be enabled by specifying the according :book:
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[configuration generics](https://stnolting.github.io/neorv32/#_processor_top_entity_generics).
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[configuration generics](https://stnolting.github.io/neorv32/#_processor_top_entity_generics).
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### [`neorv32_test_setup_approm.vhd`](https://github.com/stnolting/neorv32/blob/master/rtl/test_setups/neorv32_test_setup_approm.vhd)
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### [`neorv32_test_setup_approm.vhd`](https://github.com/stnolting/neorv32/blob/master/rtl/test_setups/neorv32_test_setup_approm.vhd)
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as pre-initialized ROM),
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as pre-initialized ROM),
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8kB DMEM and includes the GPIO module to drive 8 external signals (`gpio_o`)
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8kB DMEM and includes the GPIO module to drive 8 external signals (`gpio_o`)
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and the MTIME module for generating timer interrupts.
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and the MTIME module for generating timer interrupts.
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The setup uses the [indidrect boot](https://stnolting.github.io/neorv32/#_indirect_boot)
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The setup uses the ["indirect boot"](https://stnolting.github.io/neorv32/#_indirect_boot)
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configuration, so software applications are "installed" directly into the
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configuration, so software applications are "installed" directly into the
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processor-internal IMEM during synthesis.
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processor-internal IMEM during synthesis.
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:books: See User Guide section [_Installing an Executable Directly Into Memory_](https://stnolting.github.io/neorv32/ug/#_installing_an_executable_directly_into_memory).
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:books: See User Guide section [_Installing an Executable Directly Into Memory_](https://stnolting.github.io/neorv32/ug/#_installing_an_executable_directly_into_memory).
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as RAM), 8kB DMEM
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as RAM), 8kB DMEM
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and includes the GPIO module to drive 8 external signals (`gpio_o`), the MTIME
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and includes the GPIO module to drive 8 external signals (`gpio_o`), the MTIME
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module for generating timer interrupts and UART0 to interface with the bootloader
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module for generating timer interrupts and UART0 to interface with the bootloader
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(via `uart0_txd_o` and `uart0_rxd_i`) via a serial terminal.
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(via `uart0_txd_o` and `uart0_rxd_i`) via a serial terminal.
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The setup uses the [direct boot](https://stnolting.github.io/neorv32/#_direct_boot)
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The setup uses the ["direct boot"](https://stnolting.github.io/neorv32/#_direct_boot)
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configuration, so software applications can be uploaded and run at any timer via a serial terminal.
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configuration, so software applications can be uploaded and run at any timer via a serial terminal.
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:books: See User Guide section
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:books: See User Guide section
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[_Uploading and Starting of a Binary Executable Image via UART_](https://stnolting.github.io/neorv32/ug/#_uploading_and_starting_of_a_binary_executable_image_via_uart).
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[_Uploading and Starting of a Binary Executable Image via UART_](https://stnolting.github.io/neorv32/ug/#_uploading_and_starting_of_a_binary_executable_image_via_uart).
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