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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1464165/am2634-ptp-time-synchronization-accuracy
工具与软件：
如果在 AM263x MAC 或外部 PHY 中执行带有时间戳的 PTP 时间同步、时间精度有何差异？
例如、DP83640可实现与主基准的10ns 以下的同步
谢谢
Chris、您好！
通过在 MAC 处使用 CPSW 时间戳、PTP 时间同步精度低于100ns。
此致。 Shaunak
