Sub-Low Voltage Differential Signaling (SUB_LVDS) - Sub-Low Voltage Differential Signaling (SUB_LVDS) - UG861

Spartan UltraScale+ FPGAs SelectIO Resources User Guide (UG861)
Document ID
UG861
Release Date
2026-04-28
Revision
1.1 English
Table 1. Available I/O Bank Type
HD HP XP5IO
Available Available N/A

The following table lists the allowed attributes for the SUB_LVDS I/O standards. Support is implied for primitives that are derivatives of the primitives listed in the following table (for example: *_DIFF_OUT, *_DCIEN, *_IBUFDISABLE, or *_INTERMDISABLE). Refer to SelectIO IOB Interface Primitives for all supported derivatives.

Table 2. Allowed Attributes for the SUB_LVDS I/O Standards
Attributes Primitives
IBUFDS OBUFDS or OBUFTDS
Allowed Values Default
IOSTANDARD SUB_LVDS
DIFF_TERM (HP I/O banks only)

TRUE

FALSE

 FALSE N/A
DIFF_TERM_ADV (HP I/O banks only)

TERM_NONE

TERM_100

 TERM_NONE N/A