Circuit and method for squelching and unsquelching serial port ingress traffic

    公开(公告)号:US10164887B2

    公开(公告)日:2018-12-25

    申请号:US15334142

    申请日:2016-10-25

    IPC分类号: H04L29/06 H04L12/801

    摘要: Various embodiments relate to an apparatus and method for squelching and unsquelching serial port ingress traffic, including a squelch timer, an idle timer and a state machine which is configured to enable squelch and enable a data path, load and start the squelch timer when a character is received by the serial port, load and start the idle timer, activate a squelch state when the squelch timer expires before the idle timer and disable the data path.