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javen1122's avatar
javen1122
Icon for New Contributor rankNew Contributor
2 years ago

CXL Base Hard IP CPI interface question

Why does the CPI interface of CXL Base Hard IP have 8 rsp_rxcrd_valid and rsp_rxcrd_protocal_id signals? It only has 2 ingress and egress channel.According to my understanding，It should have 2 rsp_rx...
Cxl
WZ2's avatar
WZ2
Icon for Frequent Contributor rankFrequent Contributor
2 years ago

Hi there,

What you said describes the structure, connection requirements, and credits of the Ingress (A2F) direction data transmission system. The focus is on the design of multiple instances and multiple channels, as well as the initialization and management of credits. However, it cannot be completely understood as the four RSP physical channels are for transfer data in parallel. The data channels transmit relatively independently from each other.

Best regards,

WZ