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📄 uart_test.srr

📁 主芯片:Actel的FPGA030,Verilog语言,串口发送和接收的例程
💻 SRR
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=========================================================================================



Worst Path Information
***********************


Path information for path number 1: 
    Requested Period:                        10.000
    - Setup time:                            0.428
    = Required time:                         9.572

    - Propagation time:                      0.839
    = Slack (non-critical) :                 8.733

    Number of logic level(s):                0
    Starting point:                          WR_R1 / Q
    Ending point:                            WR_R2 / D
    The start point is clocked by            send|clkout_inferred_clock [rising] on pin CLK
    The end   point is clocked by            send|clkout_inferred_clock [rising] on pin CLK

Instance / Net              Pin      Pin               Arrival     No. of    
Name               Type     Name     Dir     Delay     Time        Fan Out(s)
-----------------------------------------------------------------------------
WR_R1              DFN1     Q        Out     0.550     0.550       -         
WR_R1              Net      -        -       0.288     -           2         
WR_R2              DFN1     D        In      -         0.839       -         
=============================================================================
Total path delay (propagation time + setup) of 1.267 is 0.979(77.2%) logic and 0.288(22.8%) route.




====================================
Detailed Report for Clock: uart_test|clock
====================================



Starting Points with Worst Slack
********************************

                     Starting                                            Arrival           
Instance             Reference           Type       Pin     Net          Time        Slack 
                     Clock                                                                 
-------------------------------------------------------------------------------------------
uartrec.count[0]     uart_test|clock     DFN1E0     Q       count[0]     0.550       -0.974
uartrec.count[1]     uart_test|clock     DFN1E0     Q       count[1]     0.550       -0.352
uartrec.count[2]     uart_test|clock     DFN1E0     Q       count[2]     0.550       0.208 
uartrec.cnt[3]       uart_test|clock     DFN1       Q       cnt[3]       0.550       0.333 
uartrec.cnt[13]      uart_test|clock     DFN1       Q       cnt[13]      0.550       0.560 
uartrec.cnt[0]       uart_test|clock     DFN1       Q       cnt[0]       0.550       0.581 
uartrec.cnt[10]      uart_test|clock     DFN1       Q       cnt[10]      0.550       0.664 
uartrec.count[3]     uart_test|clock     DFN1E0     Q       count[3]     0.550       0.686 
uartrec.cnt[8]       uart_test|clock     DFN1       Q       cnt[8]       0.550       1.186 
uartrec.cnt[9]       uart_test|clock     DFN1       Q       cnt[9]       0.550       1.194 
===========================================================================================


Ending Points with Worst Slack
******************************

                         Starting                                                  Required           
Instance                 Reference           Type       Pin     Net                Time         Slack 
                         Clock                                                                        
------------------------------------------------------------------------------------------------------
uartrec.StartF           uart_test|clock     DFN1E0     D       StartF_6           9.572        -0.328
uartrec.count_bit[3]     uart_test|clock     DFN1       D       count_bit_1[3]     9.598        0.060 
uartrec.UartBuff[8]      uart_test|clock     DFN1E1     E       UartBuff_15_e      9.546        0.333 
uartrec.UartBuff[1]      uart_test|clock     DFN1E1     E       N_87_i             9.546        0.429 
uartrec.UartBuff[2]      uart_test|clock     DFN1E1     E       N_89_i             9.546        0.429 
uartrec.UartBuff[3]      uart_test|clock     DFN1E1     E       N_91_i             9.546        0.429 
uartrec.UartBuff[4]      uart_test|clock     DFN1E1     E       N_93_i             9.546        0.429 
uartrec.UartBuff[5]      uart_test|clock     DFN1E1     E       N_95_i             9.546        0.429 
uartrec.UartBuff[6]      uart_test|clock     DFN1E1     E       N_97_i             9.546        0.429 
uartrec.UartBuff[7]      uart_test|clock     DFN1E1     E       N_99_i             9.546        0.429 
======================================================================================================



Worst Path Information
***********************


Path information for path number 1: 
    Requested Period:                        10.000
    - Setup time:                            0.402
    = Required time:                         9.598

    - Propagation time:                      10.572
    = Slack (critical) :                     -0.974

    Number of logic level(s):                10
    Starting point:                          uartrec.count[0] / Q
    Ending point:                            uartrec.RI / D
    The start point is clocked by            uart_test|clock [rising] on pin CLK
    The end   point is clocked by            uart_test|clock [rising] on pin CLK

Instance / Net                                                      Pin      Pin               Arrival     No. of    
Name                                                     Type       Name     Dir     Delay     Time        Fan Out(s)
---------------------------------------------------------------------------------------------------------------------
uartrec.count[0]                                         DFN1E0     Q        Out     0.550     0.550       -         
count[0]                                                 Net        -        -       1.140     -           7         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_8      NOR2B      B        In      -         1.690       -         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_8      NOR2B      Y        Out     0.469     2.158       -         
N_7                                                      Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_9      XOR2       A        In      -         2.398       -         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_9      XOR2       Y        Out     0.365     2.763       -         
I_9_0                                                    Net        -        -       0.884     -           4         
uartrec.count_bit_4.resyn_0.uartrec.bit_collect34        NOR3A      C        In      -         3.647       -         
uartrec.count_bit_4.resyn_0.uartrec.bit_collect34        NOR3A      Y        Out     0.479     4.126       -         
bit_collect34                                            Net        -        -       0.955     -           5         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_1      AND2       B        In      -         5.081       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_1      AND2       Y        Out     0.469     5.550       -         
DWACT_ADD_CI_0_TMP[0]                                    Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_19     NOR2B      A        In      -         5.838       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_19     NOR2B      Y        Out     0.384     6.222       -         
DWACT_ADD_CI_0_g_array_1[0]                              Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_21     NOR2B      A        In      -         6.510       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_21     NOR2B      Y        Out     0.384     6.895       -         
DWACT_ADD_CI_0_g_array_12[0]                             Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_17     XOR2       B        In      -         7.135       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_17     XOR2       Y        Out     0.700     7.834       -         
RI18lto3                                                 Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.RI18lto3             OA1        C        In      -         8.123       -         
uartrec.count_bit_4.resyn_0.uartrec.RI18lto3             OA1        Y        Out     0.497     8.620       -         
RI18                                                     Net        -        -       0.602     -           3         
uartrec.count_bit_4.resyn_0.uartrec.un1_RXD[0]           MX2C       B        In      -         9.222       -         
uartrec.count_bit_4.resyn_0.uartrec.un1_RXD[0]           MX2C       Y        Out     0.437     9.659       -         
un1_RXD[0]                                               Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.RI_5                 MX2A       A        In      -         9.899       -         
uartrec.count_bit_4.resyn_0.uartrec.RI_5                 MX2A       Y        Out     0.432     10.332      -         
RI_5                                                     Net        -        -       0.240     -           1         
uartrec.RI                                               DFN1E0     D        In      -         10.572      -         
=====================================================================================================================
Total path delay (propagation time + setup) of 10.974 is 5.568(50.7%) logic and 5.406(49.3%) route.


Path information for path number 2: 
    Requested Period:                        10.000
    - Setup time:                            0.402
    = Required time:                         9.598

    - Propagation time:                      10.539
    = Slack (non-critical) :                 -0.941

    Number of logic level(s):                10
    Starting point:                          uartrec.count[0] / Q
    Ending point:                            uartrec.RI / D
    The start point is clocked by            uart_test|clock [rising] on pin CLK
    The end   point is clocked by            uart_test|clock [rising] on pin CLK

Instance / Net                                                      Pin      Pin               Arrival     No. of    
Name                                                     Type       Name     Dir     Delay     Time        Fan Out(s)
---------------------------------------------------------------------------------------------------------------------
uartrec.count[0]                                         DFN1E0     Q        Out     0.550     0.550       -         
count[0]                                                 Net        -        -       1.140     -           7         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_8      NOR2B      B        In      -         1.690       -         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_8      NOR2B      Y        Out     0.469     2.158       -         
N_7                                                      Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_9      XOR2       A        In      -         2.398       -         
uartrec.count_bit_4.resyn_0.uartrec.un9_count_1.I_9      XOR2       Y        Out     0.365     2.763       -         
I_9_0                                                    Net        -        -       0.884     -           4         
uartrec.count_bit_4.resyn_0.uartrec.bit_collect34        NOR3A      C        In      -         3.647       -         
uartrec.count_bit_4.resyn_0.uartrec.bit_collect34        NOR3A      Y        Out     0.479     4.126       -         
bit_collect34                                            Net        -        -       0.955     -           5         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_1      AND2       B        In      -         5.081       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_1      AND2       Y        Out     0.469     5.550       -         
DWACT_ADD_CI_0_TMP[0]                                    Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_19     NOR2B      A        In      -         5.838       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_19     NOR2B      Y        Out     0.384     6.222       -         
DWACT_ADD_CI_0_g_array_1[0]                              Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_21     NOR2B      A        In      -         6.510       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_21     NOR2B      Y        Out     0.384     6.895       -         
DWACT_ADD_CI_0_g_array_12[0]                             Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_17     XOR2       B        In      -         7.135       -         
uartrec.count_bit_4.resyn_0.uartrec.count_bit_4.I_17     XOR2       Y        Out     0.700     7.834       -         
RI18lto3                                                 Net        -        -       0.288     -           2         
uartrec.count_bit_4.resyn_0.uartrec.RI18lto3             OA1        C        In      -         8.123       -         
uartrec.count_bit_4.resyn_0.uartrec.RI18lto3             OA1        Y        Out     0.497     8.620       -         
RI18                                                     Net        -        -       0.602     -           3         
uartrec.count_bit_4.resyn_0.uartrec.RI_2_sqmuxa          NOR3A      C        In      -         9.222       -         
uartrec.count_bit_4.resyn_0.uartrec.RI_2_sqmuxa          NOR3A      Y        Out     0.479     9.701       -         
RI_2_sqmuxa                                              Net        -        -       0.240     -           1         
uartrec.count_bit_4.resyn_0.uartrec.RI_5                 MX2A       S        In      -         9.941       -         
uartrec.count_bit_4.resyn_0.uartrec.RI_5                 MX2A       Y        Out     0.358     10.299      -         
RI_5                                                     Net        -        -       0.240     -           1         
uartrec.RI                                               DFN1E0     D        In      -         10.539      -         
=====================================================================================================================
Total path delay (propagation time + setup) of 10.942 is 5.535(50.6%) logic and 5.406(49.4%) route.


Path information for path number 3: 
    Requested Period:                        10.000
    - Setup time:                            0.402
    = Required time:                         9.598

    - Propagation time:                      10.124
    = Slack (non-critical) :                 -0.526

    Number of logic level(s):                9
    Starting point:                          uartrec.count[0] / Q
    Ending point:                            uartrec.RI / D
    The start point is clocked by            uart_test|clock [rising] on pin CLK
    The end   point is clocked by            uart_test|clock [rising] on pin CLK

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