Lines Matching full:pcb

77       # RX and TX delays are provided by the PCB. See below
80       # RX and TX delays are not provided by the PCB. This is the most
84       # TX delay is provided by the PCB. See below
87       # RX delay is provided by the PCB. See below
298 # One option is to make the clock traces on the PCB longer than the
301 # 'rgmii' should be used, so indicating the PCB adds the delays.
303 # If the PCB does not add these delays via extra long traces,
310 # internally, while the PCB implements the other delay.
313 # PCB between the MAC and the PHY, if the PCB implements delays or
321 # When the PCB does not implement the delays, the MAC or PHY must.  As
326 # the MAC and PHY to add these delays when the PCB does not. As stated
348 # PCB.  The inability to disable the delays in the MAC does not change
350 # 'rgmii' is now invalid, it cannot be supported, since both the PCB
369 # these properties should have a value near to 2000ps. If the PCB is
371 # tune the delay added by the PCB.