User guide

Word
Addr
Bit R/W Name Description
0x4
D6
4:0
RW LT VODMAX ovrd Override value for the VMAXRULE parameter. When
enabled, this value substitutes for the VMAXRULE to allow
channel-by-channel override of the device settings. This
only effects the local device TX output for the channel
specified.
This value must be greater than the INITMAINVAL
parameter for proper operation. Note this will also
override the PREMAINVAL parameter value.
5 RW LT VODMAX ovrd
Enable
When set to 1, enables the override value for the
VMAXRULE parameter stored in the LT VODMAX ovrd
register field.
12:8 RW LT VODMin ovrd Override value for the VODMINRULE parameter. When
enabled, this value substitutes for the VMINRULE 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 less than the
INITMAINVAL parameter and greater than the VMINRULE
parameter for proper operation.
13 RW LT VODMin ovrd
Enable
When set to 1, enables the override value for the
VODMINRULE parameter stored in the LT VODMin ovrd
register field.
21:16 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.
22 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.
28:24 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.
29 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.
2-200
Register Definitions
UG-01143
2015.05.11
Altera Corporation
Implementing Protocols in Arria 10 Transceivers
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