PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
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Receive Side of Data Link Layer<br />
n<br />
Data Link Layer receiver<br />
l<br />
Processes received TLPs<br />
– Validates Sequence number,<br />
computes and compares LCRC<br />
• Strips fields and passes to Transaction<br />
Layer<br />
Transaction Layer<br />
Data Link Layer<br />
l<br />
Processes received DLLPs<br />
– Processing of Ack/Nak, PM, and<br />
FC DLLPs is done in hardware<br />
• May or may not have information passed to<br />
Transaction Layer as a result of DLLP<br />
processing<br />
Physical Layer<br />
Logical Sub-block<br />
Physical Sub-block<br />
Physical Link<br />
Copyright by Dashcourses, Inc. 2009<br />
3-96