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📄 uc_interface.srr

📁 Xilinx ISE 官方源代码盘第十章
💻 SRR
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mien              clk (rising)     NA             7.271       1000.000     992.729 
mif_bit_reset     clk (rising)     NA             7.271       1000.000     992.729 
msta              clk (rising)     NA             7.271       1000.000     992.729 
mtx               clk (rising)     NA             7.271       1000.000     992.729 
rsta              clk (rising)     NA             7.271       1000.000     992.729 
txak              clk (rising)     NA             7.271       1000.000     992.729 
===================================================================================



====================================
Detailed Report for Clock: clk
====================================



Starting Points with worst slack 
********************************

                                                               Arrival            
Instance                     Type     Pin     Net              Time        Slack  
                                                                                  
----------------------------------------------------------------------------------
r_w                          Port     r_w     r_w              0.000       989.769
prs_state_h.prs_state[1]     FDC      Q       prs_state[1]     2.322       989.980
mien                         FDCE     Q       mien_c           2.322       990.547
data_en                      FDC      Q       data_en          3.375       991.796
stat_en                      FDC      Q       stat_en          3.305       991.866
cntrl_en                     FDC      Q       cntrl_en         2.779       992.392
prs_state_h.prs_state[0]     FDC      Q       prs_state[0]     2.451       992.672
madr_1[1]                    FDCE     Q       madr_1[1]        2.322       992.729
madr_1[2]                    FDCE     Q       madr_1[2]        2.322       992.729
madr_1[3]                    FDCE     Q       madr_1[3]        2.322       992.729
==================================================================================


Ending Points with worst slack 
******************************

                                                                       Required            
Instance          Type     Pin             Net                         Time         Slack  
                                                                                           
-------------------------------------------------------------------------------------------
data_bus[7:0]     Port     data_bus[0]     data_bus[0]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[1]     data_bus[1]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[2]     data_bus[2]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[3]     data_bus[3]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[4]     data_bus[4]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[5]     data_bus[5]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[6]     data_bus[6]                 1000.000     989.769
data_bus[7:0]     Port     data_bus[7]     data_bus[7]                 1000.000     989.769
irq               Port     irq             irq                         1000.000     990.547
data_out[3]       FDCE     D               DATA_DIR.data_out_14[3]     999.745      991.796
===========================================================================================



Worst Paths Information
***********************


Path information for path number 1: 
    = Required time:                      1000.000

    - Propagation  time:                  10.231
    = Slack (critical) :                  989.769

    Starting point:                       r_w / r_w
    Ending point:                         data_bus[7:0] / data_bus[0]
    The start point is clocked by         clk [rising]
    The end   point is clocked by         clk [rising]

Instance / Net                  Pin             Pin               Arrival     Fan
Name                  Type      Name            Dir     Delay     Time        Out
---------------------------------------------------------------------------------
r_w                   Port      r_w             In      0.000     0.000          
r_w                   Net                                                     1  
r_w_ibuf              IBUF      I               In                0.000          
r_w_ibuf              IBUF      O               Out     2.534     2.534          
r_w_c                 Net                                                     9  
un2_data_bus_i        LUT2      I1              In                2.534          
un2_data_bus_i        LUT2      O               Out     1.959     4.492          
un2_data_bus_i        Net                                                     8  
data_bus_iobuf[0]     IOBUF     T               In                4.492          
data_bus_iobuf[0]     IOBUF     IO              Out     5.739     10.231         
data_bus[0]           Net                                                     1  
data_bus[7:0]         Port      data_bus[0]     Out               10.231         
=================================================================================




====================================
Detailed Report for Clock: System
====================================



Starting Points with worst slack 
********************************

                                      Arrival            
Instance     Type     Pin     Net     Time        Slack  
                                                         
---------------------------------------------------------
mif          Port     mif     mif     0.000       990.762
=========================================================


Ending Points with worst slack 
******************************

                                                             Required            
Instance        Type     Pin     Net                         Time         Slack  
                                                                                 
---------------------------------------------------------------------------------
irq             Port     irq     irq                         1000.000     990.762
data_out[1]     FDCE     D       DATA_DIR.data_out_14[1]     999.745      994.854
=================================================================================



Worst Paths Information
***********************


Path information for path number 1: 
    = Required time:                      1000.000

    - Propagation  time:                  9.238
    = Slack (non-critical) :              990.762

    Starting point:                       mif / mif
    Ending point:                         irq / irq
    The start point is clocked by         System [rising]
    The end   point is clocked by         System [rising]

Instance / Net               Pin      Pin               Arrival     Fan
Name               Type      Name     Dir     Delay     Time        Out
-----------------------------------------------------------------------
mif                Port      mif      In      0.000     0.000          
mif                Net                                              1  
mif_ibuf           IBUF      I        In                0.000          
mif_ibuf           IBUF      O        Out     2.107     2.107          
mif_c              Net                                              2  
N_278_i            LUT2      I0       In                2.107          
N_278_i            LUT2      O        Out     1.392     3.499          
N_278_i            Net                                              1  
irq_obuft          OBUFT     T        In                3.499          
irq_obuft          OBUFT     O        Out     5.739     9.238          
irq                Net                                              1  
irq                Port      irq      Out               9.238          
=======================================================================




##### END TIMING REPORT #####

---------------------------------------
Resource Usage Report for uC_interface 

Mapping to part: xc2s15cs144-5
Cell usage:
FDP             5 uses
FDC             7 uses
FDCE            33 uses
GND             1 use

I/O primitives:
IBUF           45 uses
IOBUF          8 uses
OBUFT          2 uses
OBUF           26 uses

BUFGP          1 use

I/O Register bits:                  22
Register bits not including I/Os:   23 (5%)

Global Clock Buffers: 1 of 4 (25%)


Mapping Summary:
Total  LUTs: 57 (14%)

Mapper successful!
Process took 1.547 seconds realtime, 1.546 seconds cputime

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