Assist signals are used to support the functionality of PCIe PHY IP according to the MAC LTSSM states.
Name | Width | Direction | Clock Domain | Description |
---|---|---|---|---|
as_mac_in_detect | 1 | Input | pclk | Tell the PHY to switch the Receiver Termination
between VTT and GND. Set to 1 when MAC is in:
Set to 0 when in other states. |
as_cdr_hold_req | 1 | Input | pclk | Tell the PHY when to hold CDR. Set to 1 when MAC
is in:
Set to 0 when in other states. |
|