Altera Quartus II Scripting - Manual (Page 145)

Chapter 3: Tcl Packages & Commands 3–15
advanced_timing
© July 2013 Altera Corporation Quartus II Scripting Reference Manual
get_delays_from_clocks
Usage
get_delays_from_clocks
Options
: Node
Description
Returns delays from clock pins to the specified register node in the following form:
{{clock} {max_delay} {min_delay}}
Example
# Print delays between clocks and registers
load_package advanced_timing
project_open
create_timing_netlist
create_p2p_delays
foreach_in_collection node [get_timing_nodes -type reg] {
set reg_name [get_timing_node_info -info name $node]
set delays_from_clock [get_delays_from_clocks $node]
puts "register $reg_name has delays from clocks:"
foreach delay $delays_from_clock {
set clock_name [get_timing_node_info -info name [lindex $delay \
0]]
set longest [lindex $delay 1]
set shortest [lindex $delay 2]
puts "-> clock is $clock_name"
puts "-> longest delay is $longest"
puts "-> shortest delay is $shortest"
}
}
project_close