top_uart.syr

uart的代码

    Related source file is "F:/RHicdemo/sp3s_demo/pro104/rtl/verilog/uart_clk_50m.v".
    Found 9-bit up counter for signal <clk_cnt>.
    Found 1-bit register for signal <pulse>.
    Summary:
	inferred   1 Counter(s).
	inferred   1 D-type flip-flop(s).
Unit <uart_clk_50m> synthesized.


Synthesizing Unit <top_uart>.
    Related source file is "F:/RHicdemo/sp3s_demo/pro104/rtl/verilog/top_uart.v".
WARNING:Xst:646 - Signal <tbre> is assigned but never used.
WARNING:Xst:646 - Signal <parity_error1> is assigned but never used.
WARNING:Xst:646 - Signal <parity_error2> is assigned but never used.
WARNING:Xst:646 - Signal <framing_error1> is assigned but never used.
WARNING:Xst:646 - Signal <framing_error2> is assigned but never used.
WARNING:Xst:646 - Signal <tsre> is assigned but never used.
WARNING:Xst:646 - Signal <data_ready1> is assigned but never used.
WARNING:Xst:646 - Signal <data_ready2> is assigned but never used.
WARNING:Xst:1780 - Signal <dout1> is never used or assigned.
WARNING:Xst:1780 - Signal <dout2> is never used or assigned.
WARNING:Xst:646 - Signal <sdo> is assigned but never used.
    Found 9-bit up counter for signal <char_cnt>.
    Found 14-bit up counter for signal <clk16x_cnt>.
    Summary:
	inferred   2 Counter(s).
Unit <top_uart> synthesized.


=========================================================================
HDL Synthesis Report

Macro Statistics
# ROMs                                                 : 1
 512x8-bit ROM                                         : 1
# Adders/Subtractors                                   : 1
 4-bit adder                                           : 1
# Counters                                             : 10
 14-bit up counter                                     : 1
 4-bit up counter                                      : 7
 9-bit up counter                                      : 2
# Registers                                            : 56
 1-bit register                                        : 50
 4-bit register                                        : 1
 8-bit register                                        : 5
# Comparators                                          : 8
 4-bit comparator greatequal                           : 4
 4-bit comparator lessequal                            : 4
# Multiplexers                                         : 23
 1-bit 4-to-1 multiplexer                              : 20
 4-bit 4-to-1 multiplexer                              : 1
 8-bit 4-to-1 multiplexer                              : 2
# Xors                                                 : 4
 1-bit xor2                                            : 4

=========================================================================

=========================================================================
*                       Advanced HDL Synthesis                          *
=========================================================================

WARNING:Xst:1291 - FF/Latch <data_ready> is unconnected in block <uart_rx_inst1>.
WARNING:Xst:1291 - FF/Latch <framing_error> is unconnected in block <uart_rx_inst1>.
WARNING:Xst:1291 - FF/Latch <parity_error> is unconnected in block <uart_rx_inst1>.
WARNING:Xst:1291 - FF/Latch <parity> is unconnected in block <uart_rx_inst1>.
WARNING:Xst:1291 - FF/Latch <data_ready> is unconnected in block <uart_rx_inst2>.
WARNING:Xst:1291 - FF/Latch <framing_error> is unconnected in block <uart_rx_inst2>.
WARNING:Xst:1291 - FF/Latch <parity_error> is unconnected in block <uart_rx_inst2>.
WARNING:Xst:1291 - FF/Latch <parity> is unconnected in block <uart_rx_inst2>.
WARNING:Xst:1291 - FF/Latch <tbre> is unconnected in block <uart_tx_inst>.
WARNING:Xst:1291 - FF/Latch <sdo> is unconnected in block <uart_tx_inst>.
WARNING:Xst:1291 - FF/Latch <tsre> is unconnected in block <uart_tx_inst>.

=========================================================================
Advanced HDL Synthesis Report

Macro Statistics
# ROMs                                                 : 1
 512x8-bit ROM                                         : 1
# Adders/Subtractors                                   : 1
 4-bit adder                                           : 1
# Counters                                             : 10
 14-bit up counter                                     : 1
 4-bit up counter                                      : 7
 9-bit up counter                                      : 2
# Registers                                            : 71
 Flip-Flops                                            : 71
# Comparators                                          : 8
 4-bit comparator greatequal                           : 4
 4-bit comparator lessequal                            : 4
# Multiplexers                                         : 23
 1-bit 4-to-1 multiplexer                              : 20
 4-bit 4-to-1 multiplexer                              : 1
 8-bit 4-to-1 multiplexer                              : 2
# Xors                                                 : 4
 1-bit xor2                                            : 4

=========================================================================

=========================================================================
*                         Low Level Synthesis                           *
=========================================================================
Loading device for application Rf_Device from file '3s200.nph' in environment D:\Xilinx.
WARNING:Xst:1291 - FF/Latch <clk16x_cnt_12> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <clk16x_cnt_13> is unconnected in block <top_uart>.

Optimizing unit <top_uart> ...

Optimizing unit <uart_tx> ...

Optimizing unit <uart_rx> ...

Mapping all equations...
WARNING:Xst:1710 - FF/Latch  <uart_tx_inst/din_latch1_0> (without init value) has a constant value of 0 in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/wrn1> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbre> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/clk1x_enable> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_0> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_1> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_2> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_3> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_4> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_5> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_6> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tbr_7> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/wrn2> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/sdo> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsre> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_0> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_1> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_2> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_3> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_4> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_5> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_6> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/tsr_7> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/parity> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/no_bits_sent_0> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/no_bits_sent_1> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/no_bits_sent_2> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/no_bits_sent_3> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/clkdiv_0> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/clkdiv_1> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/clkdiv_2> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_tx_inst/clkdiv_3> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst2/data_ready> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst2/framing_error> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst2/parity_error> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst2/parity> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst1/data_ready> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst1/framing_error> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst1/parity_error> is unconnected in block <top_uart>.
WARNING:Xst:1291 - FF/Latch <uart_rx_inst1/parity> is unconnected in block <top_uart>.
Building and optimizing final netlist ...
Found area constraint ratio of 100 (+ 5) on block top_uart, actual ratio is 8.
FlipFlop uart_tx_inst/sent_bit_0 has been replicated 3 time(s)
FlipFlop uart_tx_inst/sent_bit_1 has been replicated 3 time(s)

=========================================================================
*                            Final Report                               *
=========================================================================
Final Results
RTL Top Level Output File Name     : top_uart.ngr
Top Level Output File Name         : top_uart
Output Format                      : NGC
Optimization Goal                  : Speed
Keep Hierarchy                     : NO

Design Statistics
# IOs                              : 22

Cell Usage :
# BELS                             : 341
#      GND                         : 1
#      INV                         : 11
#      LUT1                        : 1
#      LUT1_L                      : 10
#      LUT2                        : 14
#      LUT2_D                      : 1
#      LUT2_L                      : 4
#      LUT3                        : 64
#      LUT3_L                      : 15
#      LUT4                        : 126
#      LUT4_D                      : 7
#      LUT4_L                      : 30
#      MUXCY                       : 11
#      MUXF5                       : 30
#      MUXF6                       : 4
#      VCC                         : 1
#      XORCY                       : 11
# FlipFlops/Latches                : 118
#      FDC                         : 51
#      FDCE                        : 59
#      FDP                         : 8
# Clock Buffers                    : 5
#      BUFG                        : 4
#      BUFGP                       : 1
# IO Buffers                       : 21
#      IBUF                        : 2
#      IBUFG                       : 1
#      OBUF                        : 18
=========================================================================

Device utilization summary:
---------------------------

Selected Device : 3s200pq208-4 

 Number of Slices:                     148  out of   1920     7%  
 Number of Slice Flip Flops:           118  out of   3840     3%  
 Number of 4 input LUTs:               272  out of   3840     7%  
 Number of bonded IOBs:                 22  out of    141    15%  
 Number of GCLKs:                        5  out of      8    62%  


=========================================================================
TIMING REPORT

NOTE: THESE TIMING NUMBERS ARE ONLY A SYNTHESIS ESTIMATE.
      FOR ACCURATE TIMING INFORMATION PLEASE REFER TO THE TRACE REPORT
      GENERATED AFTER PLACE-and-ROUTE.

Clock Information:
------------------
-----------------------------------+------------------------+-------+
Clock Signal                       | Clock buffer(FF name)  | Load  |