Altera Quartus II Scripting Manuale Utente Scaricare il pdf (Pagina 406)

3–276 Chapter 3: Tcl Packages & Commands

rtl

Quartus II Scripting Reference Manual © July 2013 Altera Corporation

get_rtl_fanouts

Usage

get_rtl_fanouts [-inverting_paths] [-non_inverting_paths] <filter>

Options

-inverting_paths: Only follow inverting combinational paths

-non_inverting_paths: Only follow non-inverting combinational paths

<filter>: Valid starting nodes (string patterns are matched using Tcl string matching

or collection)

Description

Returns a collection of fanout pins starting from the <filter> in the design.

When the -non_inverting_paths option is used, get_fanouts does not follow any paths that include an odd

number of inverters. Similarly, when the -inverting_paths option is used, get_fanouts does not follow any

paths that include an even number of inverters. Both the -non_inverting_paths and -inverting_paths

options are mutually exclusive.

The filter for the collection is a Tcl list of wildcards, and must follow standard Tcl substitution rules.

Example

set fanouts [get_rtl_fanouts $item]

foreach_in_collection fanout $fanouts {

lappend fanout_list [get_rtl_pin_info $fanout -name]

}

get_rtl_fanouts inst1 -non_inverting_paths

1 2 ... 401 402 403 404 405 406 407 408 409 410 411 ... 633 634

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