Chapter 2
What’s New in PlanAhead Software
PlanAhead Software 13.2
GUI and Project Improvements
Clock Domain Interaction Report
The PlanAhead? software 13.2 has added the capability to analyze timing paths that cross
between clock domains defined in UCF as PERIOD constraints. The Clock Domain
Interaction report is based on the static timing analysis estimation engine that is available
in PlanAhead, and is not provided by the signoff TRACE timing tool. The PlanAhead
timing analysis engine builds a matrix of all possible combinations that can exist between
clock constraints and detects if there are paths between them. There is a graphical report
with a color coded table that indicates whether paths were found, and whether they were
properly constrained, partially constrained, or unconstrained. There is also an ASCII
version of the report. The report can be generated by selecting Tools > Timing > Report
Clock Interaction or by invoking the report_clock_interaction Tcl command.
Invoke TRACE After Implementation
The PlanAhead software has added the ability to call TRACE without re-running the entire
implementation flow. In prior releases, if you wanted to re-run TRACE to generate a TWR
or TWX timing report file with different options than those set in the run strategy, you
would have to either re-run the entire implementation run or manually go to the run
directory and invoke TRACE with the new options you wish to use. The PlanAhead
software has added a shortcut in the Graphical User Interface (GUI) to run TRACE with
different options on a post-implementation design.
Global Include Files
Verilog support for RTL development in the PlanAhead software now includes support for
global include files similar to that of Project Navigator.
Tool Tip Localization
The GUI tool tips now include Chinese and Japanese language versions of all the text in the
tool tips. These can be enabled in Tools > Options > General under the Language &
Tooltips section.
Schematic View Default for Opened RTL Design
When the RTL design is opened, the default layout view now opens to the schematic view.
ISE Design Suite 13: Release Notes Guide
UG631 (v 13.2)
29
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