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Microblaze integration problems

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efontesp

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Hello everyone, I'm new in this forum and I want to know if is possible integrate in the same FPGA an embedded system (based on Microblaze) and an independent hardware module, i.e. a DCM [Digital Clock Manager].

Supose I have an external system that requires a clock reference of 50 MHz and I want to use one of the DCMs included in the FPGA (Spartan 3E). Also I want to use a microblaze processor with other peripherals to control this external system.

Is there any way to do that ?

Thanks in advance, efontesp.
 

Two ways in ISE, you can create a new IP block for inclusion in the Microblaze system, or embed the Microblaze system in another top level file with your logic.
 

I recommend that you make the Microblaze system as a component to be included in a "normal" FPGA project. Then you will also have the knowledge to make FPGA designs without Microblaze.
It might be easier for a beginner to let the Microblaze system be the top level, but you will not learn how to do an FPGA without Microblaze.

If you make a component of the Microblaze system, you must disable the generation of I/O-buffers. Those buffers will be created by the FPGA project when you connect signals to physical pins.
 

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