说明：  429收发用fpga注释无。 ARINC429总线是一种重要的航空数据总线，是飞机航电系统数字信息传递的主要途径之一。PCI总线ARINC429通讯卡是组建ARINC429总线产品仿真和测试系统的常用板卡.
(429 transceiver is annotated with FPGA.ARINC429 bus is an important aviation data bus and one of the main ways to transmit digital information in aircraft avionics system.PCI Bus ARINC429 communication card is a common board card used to build ARINC429 bus product simulation and test system.)