PCIE Tutorial: System and Device Addresses and BAR

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PCIE Tutorial: System and Device Addresses and BAR

 

This is continuation of the last post PCIE Tutorial: Address Space and TLP Routing

Some more words about system and device addresses

  1. BAR address is system address or device address?
  2. How does system uses BAR to access device?
  3. Does device uses BAR to access system?
  4. Common ways implemented for device to access system

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We are a small team of ASIC and FPGA design engineers with combined >40 years of experience. We successfully led several chips through the whole design to TO process. Familiar with Xilinx FPGA, we designed complicated system of using multiple FPGAs to verify complicated ASIC and also for the final products. We are interested in working as independent contractor for your projects. Feel free to contact us.
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