IN_TERM |
|
---|---|
Applied To |
Ports |
Constraint Values |
• NONE • UNTUNED_SPLIT_40 • UNTUNED_SPLIT_50 • UNTUNED_SPLIT_60 |
UCF Example |
NET a[0] IN_TERM = UNTUNED_SPLIT_50; |
XDC Example |
set_property IN_TERM UNTUNED_SPLIT_50 [get_ports [list\ clk]] |
Applied To |
Ports |
Constraint Values |
• NONE • UNTUNED_25 • UNTUNED_50 • UNTUNED_75 |
UCF Example |
net q[0] OUT_TERM = UNTUNED_50; |
XDC Example |
The Vivado Design Suite does not support this constraint in XDC. |
IOBDELAY |
|
---|---|
Applied To |
Port nets |
Constraint Values |
NONE |
UCF Example |
net b[0] IOBDELAY = NONE; |
XDC Example |
set_property IOBDELAY NONE [get_nets b[0]] Note: You cannot set IOBDELAY on ports. However, you can set IOBDELAY on cells such as input buffers. |
BOTH |
|
---|---|
Applied To |
Port nets |
Constraint Values |
BOTH |
UCF Example |
net b[0] IOBDELAY = BOTH; |
XDC Example |
set_property IOBDELAY BOTH [get_nets b[0]] Note: You cannot set IOBDELAY on ports. However, you can set IOBDELAY on cells such as input buffers. |
IBUF |
|
---|---|
Applied To |
Port nets |
Constraint Values |
IBUF |
UCF Example |
net b[0] IOBDELAY = IBUF; |
XDC Example |
set_property IOBDELAY IBUF [get_nets b[0]] Note: You cannot set IOBDELAY on ports. However, you can set IOBDELAY on cells such as input buffers. |
IFD |
|
---|---|
Applied To |
Port nets |
Constraint Values |
IFD |
UCF Example |
net b[0] IOBDELAY = IFD; |
XDC Example |
set_property IOBDELAY IFD [get_nets b[0]] Note: You cannot set IOBDELAY on ports. However, you can set IOBDELAY on cells such as input buffers |
KEEPER |
|
---|---|
Applied To |
Port nets |
Constraint Values |
• TRUE • FALSE • YES • NO |
UCF Example |
NET n1 KEEPER = TRUE; |
XDC Example |
set_property KEEPER true [get_ports n1] |
PULLDOWN |
|
---|---|
Applied To |
Port nets |
Constraint Values |
• TRUE • FALSE • YES • NO |
UCF Example |
NET n1 PULLDOWN = TRUE; |
XDC Example |
set_property PULLDOWN true [get_ports n1] |
PULLUP |
|
---|---|
Applied To |
Port nets |
Constraint Values |
• TRUE • FALSE • YES • NO |
UCF Example |
NET n1 PULLUP = TRUE; |
XDC Example |
set_property PULLUP true [get_ports n1] |
VCCAUX_IO |
|
---|---|
Applied To |
Ports |
Constraint Values |
• NORMAL • HIGH • DONTCARE |
UCF Example |
NET d[0] VCCAUX_IO = HIGH; |
XDC Example |
set_property VCCAUX_IO HIGH [get_ports d[0]] |