Altera SDC and TimeQuest API - Manual (Page 118)

2–108 Chapter 2: SDC and TimeQuest API Package and Commands
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SDC and TimeQuest API Reference Manual © December 2009 Altera Corporation
get_register_info
Usage
get_register_info [-asynch_edges] [-clock_edges] [-fanout_edges] [-is_latch] [-name]
[-synch_edges] [-tch] [-tcl] [-tco] [-th] [-tmin] [-tsu] [-type]
Options
-asynch_edges: Return a list of asynchronous edge IDs
-clock_edges: Return a list of clock edge IDs
-fanout_edges: Return a list of fanout edge IDs
-is_latch: Return "1" if this is a latch node, or "0" otherwise
-name: Return the object name
-synch_edges: Return a list of synchronous edge IDs
-tch: Return the Tch value
-tcl: Return the Tcl value
-tco: Return the Tco value
-th: Return the Th value
-tmin: Return the Tmin value
-tsu: Return the Tsu value
-type: Return the object type
: Register object
Description
Gets information about the specified register (referenced by register ID). Register IDs can be obtained by
Tcl commands such as get_registers.
The -type option returns "reg". The -name, -type, -tco, -tsu, -th, -tch, -tcl, -tmin, -clock_edges, -synch_edges,
-asynch_edges, -fanout_edges and -is_latch options are mutually exclusive.
Example
project_open chiptrip
create_timing_netlist
set registers [get_registers]
foreach_in_collection reg $registers {
set name [get_register_info $reg -name]
set tco [get_register_info $reg -tco]
puts "Tco of $name is $tco"
}
delete_timing_netlist
project_close