摘要：http://xillybus.com/tutorials/pci-express-tlp-pcie-primer-tutorial-guide-2Data Link Layer PacketsAside from wrapping TLPs with its header (2 bytes) and adding a CRC at the end (LCRC actually, 4 bytes), the Data Link layer runs packets of its own for maintaining reliable transmission. These special p 阅读全文

摘要：http://xillybus.com/tutorials/pci-express-tlp-pcie-primer-tutorial-guide-1Down to the TLP: How PCI express devices talk (Part I)ForewordWhile I was writing the Xillybus IP core for PCI express, I quickly found out that it’s very difficult to start off: Online resources as well as the official spec b 阅读全文