了解 PCI-Express
我已经知道 PCI-E 有由 2 条线组成的通道(取决于 x1、x4 等...)。一根线接收,另一根线传输。每条线每个周期可同时传输 1 位。然而,该通道是全双工系统。
我需要你们的澄清。此信息正确吗?
I already know that a PCI-E has lanes( which depend on x1, x4, etc... ) which consist of 2 wires. One wire receives while the other transmits. Each wire can transfer 1-bit each cycle simultaneously. However, the lane is a full-duplex system.
I need clarification from you guys. Is this information correct?
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每条车道均从 Rx 和 Tx 方向构建。每个方向都有一个差分对,这意味着每个通道有 4 条线。
每个 Rx\Tx 通道每个周期可传输 1 位。
Each lane built from Rx and Tx directions. Each direction has a differential pair which means 4 wires for each lane.
Each Rx\Tx lane can transfer 1bit each cycle.