4.3. Serial Data Interface
In PCI Express modes, R-tile natively supports 4, 8, or 16 PCIe lanes. Each lane includes a TX differential pair and an RX differential pair. Data is striped across all available lanes. The number of lanes will be different based on the topology which indicates how many lanes are used.
Transmit serial data outputs using the High Speed Differential I/O standard.
Receive serial data inputs using the High Speed Differential I/O standard.
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