SPRUJ52C june 2022 – july 2023 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4VH-Q1 , TDA4VP-Q1
The procedure depends upon whether the device is operating in RP or EP Mode. In either case, the PCIe subsystem can be loopback master or loopback slave as outlined in PCIe specifications. A loopback master is the component requesting loopback and transmitting the data. A loopback slave is the component looping back the data.
The PIPE loopback mode cannot be used for looping back transactions.