Altera 40-Gbps Ethernet MAC and PHY MegaCore Function - Manual (Page 189)

Word
Addr
Bit R/W Name Description
20:16 RW
LT VPOST ovrd
Override value for the VPOSTRULE parameter. When
enabled, this value substitutes for the VPOSTRULE to allow
channel-by-channel override of the device settings. This
override only effects the local device TX output for this
channel.
The value to be substituted must be greater than the
INITPOSTVAL parameter for proper operation.
21 RW
LT VPOST ovrd
Enable
When set to 1, enables the override value for the
VPOSTRULE parameter stored in the
LT VPOST ovrd
register field.
27:24 RW
LT VPre ovrd
Override value for the VPRERULE parameter. When
enabled, this value substitutes for the VPOSTRULE to allow
channel-by-channel override of the device settings. This
override only effects the local device TX output for this
channel.
The value greater than the INITPREVAL parameter for
proper operation.
28 RW
LT VPre ovrd
Enable
When set to 1, enables the override value for the VPRERULE
parameter stored in the
LT VPre ovrd
register field.
C-16 10GBASE-KR PHY Register Definitions
UG-01088
2014.12.15
Altera Corporation 10GBASE-KR Registers
Send Feedback