The following are the ports that are used to calibrate the IO Delays for Versal RGMII Interface.
Table 2-2: IO Delay Calibration Ports for Ethernet RGMII Interface
|
Signal Name
|
Direction
|
Description
|
|
idelay_cntvalue_in(4:0)
|
In
|
CNTVALUEIN input of all the IDELAYS that are driven by rgmii_rxd[3:0] and rgmii_rx_ctl
|
|
idelay_load_in
|
In
|
LOAD input of all the IDELAYS that are driven by rgmii_rxd[3:0] and rgmii_rxc
|
|
odelay_cntvalue_in(4:0)
|
In
|
CNTVALUEIN input of the ODELAY that drives rgmii_tx_clk
|
|
odelay_load_in
|
In
|
LOAD input of the ODELAY that drives rgmii_tx_clk
|