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https://opencores.org/ocsvn/single-14-segment-display-driver-w-decoder/single-14-segment-display-driver-w-decoder/trunk
Subversion Repositories single-14-segment-display-driver-w-decoder
[/] [single-14-segment-display-driver-w-decoder/] [trunk/] [Project/] [Lattice_FPGA_Build/] [impl1/] [synlog/] [impl1_fpga_mapper.srr_Min] - Rev 9
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##### START OF TIMING REPORT #####[
# Timing Report written on Tue Jan 17 23:41:24 2017
#
Top view: DisplayDriverWrapper
Requested Frequency: 433.9 MHz
Wire load mode: top
Paths requested: 5
Constraint File(s):
@N: MT320 |Timing report estimates place and route data. Please look at the place and route timing report for final timing.
@N: MT322 |Clock constraints cover only FF-to-FF paths associated with the clock.
Performance Summary
*******************
Worst slack in design: 0.439
Requested Estimated Requested Estimated Clock Clock
Starting Clock Frequency Frequency Period Period Slack Type Group
----------------------------------------------------------------------------------------------------------------------------------
DisplayDriverWrapper|clk 433.9 MHz 368.8 MHz 2.305 2.712 -0.407 inferred Autoconstr_clkgroup_0
==================================================================================================================================
Clock Relationships
*******************
Clocks | rise to rise | fall to fall | rise to fall | fall to rise
------------------------------------------------------------------------------------------------------------------------------------------
Starting Ending | constraint slack | constraint slack | constraint slack | constraint slack
------------------------------------------------------------------------------------------------------------------------------------------
DisplayDriverWrapper|clk DisplayDriverWrapper|clk | 0.000 0.439 | No paths - | No paths - | No paths -
==========================================================================================================================================
Note: 'No paths' indicates there are no paths in the design for that pair of clock edges.
'Diff grp' indicates that paths exist but the starting clock and ending clock are in different clock groups.
Interface Information
*********************
No IO constraint found
====================================
Detailed Report for Clock: DisplayDriverWrapper|clk
====================================
Starting Points with Worst Slack
********************************
Starting Arrival
Instance Reference Type Pin Net Time Slack
Clock
----------------------------------------------------------------------------------------------------------------------
bttn_state_fifo[1] DisplayDriverWrapper|clk FD1S3JX Q bttn_state_fifo[1] 0.587 0.439
bttn_state_fifo[2] DisplayDriverWrapper|clk FD1S3JX Q bttn_state_fifo[2] 0.587 0.439
bttn_state_fifo_0io[0] DisplayDriverWrapper|clk IFS1P3JX Q bttn_state_fifo[0] 0.587 0.439
symbol_scan_cntr[7] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[7] 0.559 0.884
symbol_scan_cntr[0] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[0] 0.653 0.979
symbol_scan_cntr[1] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[1] 0.653 0.979
symbol_scan_cntr[2] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[2] 0.653 0.979
symbol_scan_cntr[3] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[3] 0.653 0.979
symbol_scan_cntr[4] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[4] 0.653 0.979
symbol_scan_cntr[5] DisplayDriverWrapper|clk FD1P3DX Q symbol_scan_cntr[5] 0.653 0.979
======================================================================================================================
Ending Points with Worst Slack
******************************
Starting Required
Instance Reference Type Pin Net Time Slack
Clock
-------------------------------------------------------------------------------------------------------------------------------
bttn_state_fifo[1] DisplayDriverWrapper|clk FD1S3JX D bttn_state_fifo[0] 0.148 0.439
bttn_state_fifo[2] DisplayDriverWrapper|clk FD1S3JX D bttn_state_fifo[1] 0.148 0.439
bttn_state_fifo[3] DisplayDriverWrapper|clk FD1S3JX D bttn_state_fifo[2] 0.148 0.439
bttn_state DisplayDriverWrapper|clk FD1S3AX D bttn_stateand 0.148 0.679
symbol_scan_cntr[7] DisplayDriverWrapper|clk FD1P3DX D symbol_scan_cntr_s[7] 0.148 0.884
symbol_scan_cntr[0] DisplayDriverWrapper|clk FD1P3DX SP bttn_state_fifo_0io_RNIB9K02[0] 0.128 0.933
symbol_scan_cntr[1] DisplayDriverWrapper|clk FD1P3DX SP bttn_state_fifo_0io_RNIB9K02[0] 0.128 0.933
symbol_scan_cntr[2] DisplayDriverWrapper|clk FD1P3DX SP bttn_state_fifo_0io_RNIB9K02[0] 0.128 0.933
symbol_scan_cntr[3] DisplayDriverWrapper|clk FD1P3DX SP bttn_state_fifo_0io_RNIB9K02[0] 0.128 0.933
symbol_scan_cntr[4] DisplayDriverWrapper|clk FD1P3DX SP bttn_state_fifo_0io_RNIB9K02[0] 0.128 0.933
===============================================================================================================================
Worst Path Information
***********************
Path information for path number 1:
Propagation time: 0.587
+ Clock delay at starting point: 0.000 (ideal)
- Requested Period: 0.000
- Hold time: 0.148
- Clock delay at ending point: 0.000 (ideal)
= Slack (critical) : 0.439
Number of logic level(s): 0
Starting point: bttn_state_fifo[1] / Q
Ending point: bttn_state_fifo[2] / D
The start point is clocked by DisplayDriverWrapper|clk [rising] on pin CK
The end point is clocked by DisplayDriverWrapper|clk [rising] on pin CK
Instance / Net Pin Pin Arrival No. of
Name Type Name Dir Delay Time Fan Out(s)
------------------------------------------------------------------------------------
bttn_state_fifo[1] FD1S3JX Q Out 0.587 0.587 -
bttn_state_fifo[1] Net - - - - 3
bttn_state_fifo[2] FD1S3JX D In 0.000 0.587 -
====================================================================================
##### END OF TIMING REPORT #####]
Constraints that could not be applied
None