Copyright 1986-2022 Xilinx, Inc. All Rights Reserved. Copyright 2022-2023 Advanced Micro Devices, Inc. All Rights Reserved.
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| Tool Version : Vivado v.2023.2 (lin64) Build 4029153 Fri Oct 13 20:13:54 MDT 2023
| Date         : Thu Jul  9 00:36:32 2026
| Host         : 685a421e500f running 64-bit unknown
| Command      : report_timing_summary -datasheet -max_paths 10 -file digilent_arty_a7_timing.rpt
| Design       : fpga_top
| Device       : 7a100t-csg324
| Speed File   : -1  PRODUCTION 1.23 2018-06-13
| Design State : Routed
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Timing Summary Report

------------------------------------------------------------------------------------------------
| Timer Settings
| --------------
------------------------------------------------------------------------------------------------

  Enable Multi Corner Analysis               :  Yes
  Enable Pessimism Removal                   :  Yes
  Pessimism Removal Resolution               :  Nearest Common Node
  Enable Input Delay Default Clock           :  No
  Enable Preset / Clear Arcs                 :  No
  Disable Flight Delays                      :  No
  Ignore I/O Paths                           :  No
  Timing Early Launch at Borrowing Latches   :  No
  Borrow Time for Max Delay Exceptions       :  Yes
  Merge Timing Exceptions                    :  Yes
  Inter-SLR Compensation                     :  Conservative

  Corner  Analyze    Analyze    
  Name    Max Paths  Min Paths  
  ------  ---------  ---------  
  Slow    Yes        Yes        
  Fast    Yes        Yes        


------------------------------------------------------------------------------------------------
| Report Methodology
| ------------------
------------------------------------------------------------------------------------------------

No report available as report_methodology has not been run prior. Run report_methodology on the current design for the summary of methodology violations.



check_timing report

Table of Contents
-----------------
1. checking no_clock (58236)
2. checking constant_clock (0)
3. checking pulse_width_clock (0)
4. checking unconstrained_internal_endpoints (16989)
5. checking no_input_delay (1)
6. checking no_output_delay (1)
7. checking multiple_clock (0)
8. checking generated_clocks (0)
9. checking loops (0)
10. checking partial_input_delay (0)
11. checking partial_output_delay (0)
12. checking latch_loops (0)

1. checking no_clock (58236)
----------------------------
 There are 3484 register/latch pins with no clock driven by root clock pin: clk_o_reg/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[0]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[10]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[11]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[12]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[13]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[14]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[15]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[16]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[17]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[18]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[19]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[1]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[20]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[21]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[22]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[23]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[24]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[25]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[26]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[27]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[28]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[29]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[2]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[30]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[31]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[3]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[4]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[5]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[6]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[7]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[8]/Q (HIGH)

 There are 1709 register/latch pins with no clock driven by root clock pin: ptop/u_Controller/ClkDivider/pulse_counter_reg[9]/Q (HIGH)

 There are 64 register/latch pins with no clock driven by root clock pin: ptop/u_pp_potato/processor/csr_unit/time_clk_reg/Q (HIGH)


2. checking constant_clock (0)
------------------------------
 There are 0 register/latch pins with constant_clock.


3. checking pulse_width_clock (0)
---------------------------------
 There are 0 register/latch pins which need pulse_width check


4. checking unconstrained_internal_endpoints (16989)
----------------------------------------------------
 There are 16989 pins that are not constrained for maximum delay. (HIGH)

 There are 0 pins that are not constrained for maximum delay due to constant clock.


5. checking no_input_delay (1)
------------------------------
 There is 1 input port with no input delay specified. (HIGH)

 There are 0 input ports with no input delay but user has a false path constraint.


6. checking no_output_delay (1)
-------------------------------
 There is 1 port with no output delay specified. (HIGH)

 There are 0 ports with no output delay but user has a false path constraint

 There are 0 ports with no output delay but with a timing clock defined on it or propagating through it


7. checking multiple_clock (0)
------------------------------
 There are 0 register/latch pins with multiple clocks.


8. checking generated_clocks (0)
--------------------------------
 There are 0 generated clocks that are not connected to a clock source.


9. checking loops (0)
---------------------
 There are 0 combinational loops in the design.


10. checking partial_input_delay (0)
------------------------------------
 There are 0 input ports with partial input delay specified.


11. checking partial_output_delay (0)
-------------------------------------
 There are 0 ports with partial output delay specified.


12. checking latch_loops (0)
----------------------------
 There are 0 combinational latch loops in the design through latch input



------------------------------------------------------------------------------------------------
| Design Timing Summary
| ---------------------
------------------------------------------------------------------------------------------------

    WNS(ns)      TNS(ns)  TNS Failing Endpoints  TNS Total Endpoints      WHS(ns)      THS(ns)  THS Failing Endpoints  THS Total Endpoints     WPWS(ns)     TPWS(ns)  TPWS Failing Endpoints  TPWS Total Endpoints  
    -------      -------  ---------------------  -------------------      -------      -------  ---------------------  -------------------     --------     --------  ----------------------  --------------------  
      8.649        0.000                      0                    1        0.391        0.000                      0                    1        4.500        0.000                       0                     2  


All user specified timing constraints are met.


------------------------------------------------------------------------------------------------
| Clock Summary
| -------------
------------------------------------------------------------------------------------------------

Clock        Waveform(ns)         Period(ns)      Frequency(MHz)
-----        ------------         ----------      --------------
sck          {0.000 50.000}       100.000         10.000          
sys_clk_pin  {0.000 5.000}        10.000          100.000         


------------------------------------------------------------------------------------------------
| Intra Clock Table
| -----------------
------------------------------------------------------------------------------------------------

Clock             WNS(ns)      TNS(ns)  TNS Failing Endpoints  TNS Total Endpoints      WHS(ns)      THS(ns)  THS Failing Endpoints  THS Total Endpoints     WPWS(ns)     TPWS(ns)  TPWS Failing Endpoints  TPWS Total Endpoints  
-----             -------      -------  ---------------------  -------------------      -------      -------  ---------------------  -------------------     --------     --------  ----------------------  --------------------  
sys_clk_pin         8.649        0.000                      0                    1        0.391        0.000                      0                    1        4.500        0.000                       0                     2  


------------------------------------------------------------------------------------------------
| Inter Clock Table
| -----------------
------------------------------------------------------------------------------------------------

From Clock    To Clock          WNS(ns)      TNS(ns)  TNS Failing Endpoints  TNS Total Endpoints      WHS(ns)      THS(ns)  THS Failing Endpoints  THS Total Endpoints  
----------    --------          -------      -------  ---------------------  -------------------      -------      -------  ---------------------  -------------------  


------------------------------------------------------------------------------------------------
| Other Path Groups Table
| -----------------------
------------------------------------------------------------------------------------------------

Path Group    From Clock    To Clock          WNS(ns)      TNS(ns)  TNS Failing Endpoints  TNS Total Endpoints      WHS(ns)      THS(ns)  THS Failing Endpoints  THS Total Endpoints  
----------    ----------    --------          -------      -------  ---------------------  -------------------      -------      -------  ---------------------  -------------------  


------------------------------------------------------------------------------------------------
| Timing Details
| --------------
------------------------------------------------------------------------------------------------


---------------------------------------------------------------------------------------------------
From Clock:  sys_clk_pin
  To Clock:  sys_clk_pin

Setup :            0  Failing Endpoints,  Worst Slack        8.649ns,  Total Violation        0.000ns
Hold  :            0  Failing Endpoints,  Worst Slack        0.391ns,  Total Violation        0.000ns
PW    :            0  Failing Endpoints,  Worst Slack        4.500ns,  Total Violation        0.000ns
---------------------------------------------------------------------------------------------------


Max Delay Paths
--------------------------------------------------------------------------------------
Slack (MET) :             8.649ns  (required time - arrival time)
  Source:                 clk_o_reg/C
                            (rising edge-triggered cell FDRE clocked by sys_clk_pin  {rise@0.000ns fall@5.000ns period=10.000ns})
  Destination:            clk_o_reg/D
                            (rising edge-triggered cell FDRE clocked by sys_clk_pin  {rise@0.000ns fall@5.000ns period=10.000ns})
  Path Group:             sys_clk_pin
  Path Type:              Setup (Max at Slow Process Corner)
  Requirement:            10.000ns  (sys_clk_pin rise@10.000ns - sys_clk_pin rise@0.000ns)
  Data Path Delay:        1.344ns  (logic 0.580ns (43.139%)  route 0.764ns (56.861%))
  Logic Levels:           1  (LUT1=1)
  Clock Path Skew:        0.000ns (DCD - SCD + CPR)
    Destination Clock Delay (DCD):    4.928ns = ( 14.928 - 10.000 ) 
    Source Clock Delay      (SCD):    5.229ns
    Clock Pessimism Removal (CPR):    0.301ns
  Clock Uncertainty:      0.035ns  ((TSJ^2 + TIJ^2)^1/2 + DJ) / 2 + PE
    Total System Jitter     (TSJ):    0.071ns
    Total Input Jitter      (TIJ):    0.000ns
    Discrete Jitter          (DJ):    0.000ns
    Phase Error              (PE):    0.000ns

    Location             Delay type                Incr(ns)  Path(ns)    Netlist Resource(s)
  -------------------------------------------------------------------    -------------------
                         (clock sys_clk_pin rise edge)
                                                      0.000     0.000 r  
    E3                                                0.000     0.000 r  clk (IN)
                         net (fo=0)                   0.000     0.000    clk
    E3                   IBUF (Prop_ibuf_I_O)         1.482     1.482 r  clk_IBUF_inst/O
                         net (fo=1, routed)           2.025     3.506    clk_IBUF
    BUFGCTRL_X0Y16       BUFG (Prop_bufg_I_O)         0.096     3.602 r  clk_IBUF_BUFG_inst/O
                         net (fo=1, routed)           1.626     5.229    clk_IBUF_BUFG
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/C
  -------------------------------------------------------------------    -------------------
    SLICE_X52Y97         FDRE (Prop_fdre_C_Q)         0.456     5.685 f  clk_o_reg/Q
                         net (fo=3, routed)           0.764     6.449    clk_o
    SLICE_X52Y97         LUT1 (Prop_lut1_I0_O)        0.124     6.573 r  clk_o_i_1/O
                         net (fo=1, routed)           0.000     6.573    clk_o_i_1_n_0
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/D
  -------------------------------------------------------------------    -------------------

                         (clock sys_clk_pin rise edge)
                                                     10.000    10.000 r  
    E3                                                0.000    10.000 r  clk (IN)
                         net (fo=0)                   0.000    10.000    clk
    E3                   IBUF (Prop_ibuf_I_O)         1.411    11.411 r  clk_IBUF_inst/O
                         net (fo=1, routed)           1.920    13.331    clk_IBUF
    BUFGCTRL_X0Y16       BUFG (Prop_bufg_I_O)         0.091    13.422 r  clk_IBUF_BUFG_inst/O
                         net (fo=1, routed)           1.505    14.928    clk_IBUF_BUFG
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/C
                         clock pessimism              0.301    15.229    
                         clock uncertainty           -0.035    15.193    
    SLICE_X52Y97         FDRE (Setup_fdre_C_D)        0.029    15.222    clk_o_reg
  -------------------------------------------------------------------
                         required time                         15.222    
                         arrival time                          -6.573    
  -------------------------------------------------------------------
                         slack                                  8.649    





Min Delay Paths
--------------------------------------------------------------------------------------
Slack (MET) :             0.391ns  (arrival time - required time)
  Source:                 clk_o_reg/C
                            (rising edge-triggered cell FDRE clocked by sys_clk_pin  {rise@0.000ns fall@5.000ns period=10.000ns})
  Destination:            clk_o_reg/D
                            (rising edge-triggered cell FDRE clocked by sys_clk_pin  {rise@0.000ns fall@5.000ns period=10.000ns})
  Path Group:             sys_clk_pin
  Path Type:              Hold (Min at Fast Process Corner)
  Requirement:            0.000ns  (sys_clk_pin rise@0.000ns - sys_clk_pin rise@0.000ns)
  Data Path Delay:        0.482ns  (logic 0.186ns (38.550%)  route 0.296ns (61.450%))
  Logic Levels:           1  (LUT1=1)
  Clock Path Skew:        0.000ns (DCD - SCD - CPR)
    Destination Clock Delay (DCD):    2.000ns
    Source Clock Delay      (SCD):    1.484ns
    Clock Pessimism Removal (CPR):    0.515ns

    Location             Delay type                Incr(ns)  Path(ns)    Netlist Resource(s)
  -------------------------------------------------------------------    -------------------
                         (clock sys_clk_pin rise edge)
                                                      0.000     0.000 r  
    E3                                                0.000     0.000 r  clk (IN)
                         net (fo=0)                   0.000     0.000    clk
    E3                   IBUF (Prop_ibuf_I_O)         0.250     0.250 r  clk_IBUF_inst/O
                         net (fo=1, routed)           0.644     0.894    clk_IBUF
    BUFGCTRL_X0Y16       BUFG (Prop_bufg_I_O)         0.026     0.920 r  clk_IBUF_BUFG_inst/O
                         net (fo=1, routed)           0.565     1.484    clk_IBUF_BUFG
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/C
  -------------------------------------------------------------------    -------------------
    SLICE_X52Y97         FDRE (Prop_fdre_C_Q)         0.141     1.625 f  clk_o_reg/Q
                         net (fo=3, routed)           0.296     1.922    clk_o
    SLICE_X52Y97         LUT1 (Prop_lut1_I0_O)        0.045     1.967 r  clk_o_i_1/O
                         net (fo=1, routed)           0.000     1.967    clk_o_i_1_n_0
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/D
  -------------------------------------------------------------------    -------------------

                         (clock sys_clk_pin rise edge)
                                                      0.000     0.000 r  
    E3                                                0.000     0.000 r  clk (IN)
                         net (fo=0)                   0.000     0.000    clk
    E3                   IBUF (Prop_ibuf_I_O)         0.438     0.438 r  clk_IBUF_inst/O
                         net (fo=1, routed)           0.699     1.136    clk_IBUF
    BUFGCTRL_X0Y16       BUFG (Prop_bufg_I_O)         0.029     1.165 r  clk_IBUF_BUFG_inst/O
                         net (fo=1, routed)           0.835     2.000    clk_IBUF_BUFG
    SLICE_X52Y97         FDRE                                         r  clk_o_reg/C
                         clock pessimism             -0.515     1.484    
    SLICE_X52Y97         FDRE (Hold_fdre_C_D)         0.091     1.575    clk_o_reg
  -------------------------------------------------------------------
                         required time                         -1.575    
                         arrival time                           1.967    
  -------------------------------------------------------------------
                         slack                                  0.391    





Pulse Width Checks
--------------------------------------------------------------------------------------
Clock Name:         sys_clk_pin
Waveform(ns):       { 0.000 5.000 }
Period(ns):         10.000
Sources:            { clk }

Check Type        Corner  Lib Pin  Reference Pin  Required(ns)  Actual(ns)  Slack(ns)  Location        Pin
Min Period        n/a     BUFG/I   n/a            2.155         10.000      7.845      BUFGCTRL_X0Y16  clk_IBUF_BUFG_inst/I
Min Period        n/a     FDRE/C   n/a            1.000         10.000      9.000      SLICE_X52Y97    clk_o_reg/C
Low Pulse Width   Slow    FDRE/C   n/a            0.500         5.000       4.500      SLICE_X52Y97    clk_o_reg/C
Low Pulse Width   Fast    FDRE/C   n/a            0.500         5.000       4.500      SLICE_X52Y97    clk_o_reg/C
High Pulse Width  Slow    FDRE/C   n/a            0.500         5.000       4.500      SLICE_X52Y97    clk_o_reg/C
High Pulse Width  Fast    FDRE/C   n/a            0.500         5.000       4.500      SLICE_X52Y97    clk_o_reg/C



------------------------------------------------------------------------------------------------
| Data sheet
| ----------
------------------------------------------------------------------------------------------------

Setup between Clocks

------------+-------------+---------------+---------+---------------+---------+---------------+---------+---------------+---------+
Source      | Destination |  Src:Rise     | Process |  Src:Rise     | Process |  Src:Fall     | Process |  Src:Fall     | Process |
Clock       | Clock       | Dest:Rise(ns) | Corner  | Dest:Fall(ns) | Corner  | Dest:Rise(ns) | Corner  | Dest:Fall(ns) | Corner  |
------------+-------------+---------------+---------+---------------+---------+---------------+---------+---------------+---------+
sys_clk_pin | sys_clk_pin |         1.351 | SLOW    |               |         |               |         |               |         |
------------+-------------+---------------+---------+---------------+---------+---------------+---------+---------------+---------+



