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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1399048/faq-tcan1057a-q1-why-is-the-can-mosfet-and-diode-used
工具与软件：
您好、专家们！
我对 CAN 接口中 MOSFET 和二极管的用途有疑问？进一步、如何通过硬件实现仲裁和纠错功能？
MOSFET 就是开关。
二极管可提供过压/欠压保护。
此器件是普通收发器；TXD/RXD 值直接对应于 CAN 总线的状态。 在 CAN 控制器(与 TXD/RXD 引脚相连)中实现仲裁和错误校正。
