门自动分配是从逻辑图开始的成套印制电路板全自动设计的重要环节。本文采用直接结合度和间接结合度加权算法。在分配中,既考虑有共同信号门,又计及同时与某器件有共同信号的几个门,合理地解决了门与门,门与其他器件联系的“紧密”与“松散”的问题。还采用自动分配与手工分配多种工作方式,以增强灵活性和实用性。 Automatic gate assignment is an important part of the fully automated design of printed circuit boards from the logic diagram. In this paper, the direct binding degree and indirect binding degree weighted algorithm. In the distribution, considering both the common signal gate, but also taking into account the same signal with a few devices at the same time, a reasonable solution to the door and door, door and other devices linked to the “close” and “loose” issue. It also uses automatic assignment and manual assignment of multiple ways of working to enhance flexibility and practicality.