Parameter Changes from v2.0 to v3.0 - 4.1 English

GMII to RGMII Product Guide (PG160)

Document ID
PG160
Release Date
2022-06-15
Version
4.1 English
Table A-4:      Parameters Modified

Parameter Name

Changes

What to do

C_PHYADDR

Data type changed from std_logic_vector to integer

When mapping value to this parameter, use integer data type for the corresponding PHY Address

Table A-5:      Parameters Added

Parameter Name

Description

Default Value

Allowable Values

C_RGMII_TXC_SKEW_EN

Provide 2 ns skew on RGMII TXC with respect to RGMII TXD

0

0 = rgmii_txc is edge aligned with respect to rgmii_txd

1 = rgmii_txc is delayed by 2 ns with respect to rgmii_txd

C_RGMII_TXC_ODELAY_VAL

ODELAY value passed on to ODELAY2 primitive used to provide the skew on RGMII TXC

26

This is valid only when C_RGMII_TXC_SKEW_EN = 1. Specifies the ODELAY tap value to be used to provide skew on RGMII TXC