xkcon.drc.rpt

用VHDL语言写的程序包含如下功能：1.键盘扫描2.控制AD转换3.产生PWM信号与51系列CPU接口

; Nodes with more than specified number of fan-outs ; c_st~8                             ; 31      ;
; Nodes with more than specified number of fan-outs ; cs                                 ; 41      ;
; Nodes with more than specified number of fan-outs ; port_no[0]                         ; 48      ;
; Nodes with more than specified number of fan-outs ; port_no[2]                         ; 49      ;
; Nodes with more than specified number of fan-outs ; port_no[1]                         ; 49      ;
; Top nodes with highest fan-out                    ; port_no[1]                         ; 49      ;
; Top nodes with highest fan-out                    ; port_no[2]                         ; 49      ;
; Top nodes with highest fan-out                    ; port_no[0]                         ; 48      ;
; Top nodes with highest fan-out                    ; cs                                 ; 41      ;
; Top nodes with highest fan-out                    ; c_st~7                             ; 31      ;
; Top nodes with highest fan-out                    ; c_st~8                             ; 31      ;
; Top nodes with highest fan-out                    ; wr                                 ; 29      ;
; Top nodes with highest fan-out                    ; count_ad[0]                        ; 27      ;
; Top nodes with highest fan-out                    ; adflag                             ; 26      ;
; Top nodes with highest fan-out                    ; count_ad[1]                        ; 25      ;
; Top nodes with highest fan-out                    ; count_ad[12]                       ; 25      ;
; Top nodes with highest fan-out                    ; count_ad[2]                        ; 23      ;
; Top nodes with highest fan-out                    ; clk2mhz                            ; 23      ;
; Top nodes with highest fan-out                    ; clk200khz                          ; 22      ;
; Top nodes with highest fan-out                    ; count_ad[3]                        ; 21      ;
; Top nodes with highest fan-out                    ; count_ad[4]                        ; 19      ;
; Top nodes with highest fan-out                    ; count_ad[5]                        ; 17      ;
; Top nodes with highest fan-out                    ; begin_ad                           ; 16      ;
; Top nodes with highest fan-out                    ; c_st~9                             ; 16      ;
; Top nodes with highest fan-out                    ; count_ad[6]                        ; 15      ;
; Top nodes with highest fan-out                    ; count_ad[7]                        ; 13      ;
; Top nodes with highest fan-out                    ; reset                              ; 13      ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[1]    ; 12      ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[0]    ; 12      ;
; Top nodes with highest fan-out                    ; count_ad[8]                        ; 11      ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[2]    ; 11      ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[3]    ; 10      ;
; Top nodes with highest fan-out                    ; count_ad[10]                       ; 9       ;
; Top nodes with highest fan-out                    ; count_ad[9]                        ; 9       ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[4]    ; 9       ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[5]    ; 8       ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[6]    ; 8       ;
; Top nodes with highest fan-out                    ; cpu_write~20sexp                   ; 8       ;
; Top nodes with highest fan-out                    ; cpu_read~1044                      ; 8       ;
; Top nodes with highest fan-out                    ; outpb~78sexp                       ; 8       ;
; Top nodes with highest fan-out                    ; lpm_counter:scan_cnt_rtl_0|dffs[0] ; 7       ;
; Top nodes with highest fan-out                    ; \divider:count_divider[5]          ; 7       ;
; Top nodes with highest fan-out                    ; clk8mhz                            ; 7       ;
; Top nodes with highest fan-out                    ; \divider:count_divider[0]          ; 7       ;
; Top nodes with highest fan-out                    ; \divider:count_divider[3]          ; 7       ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[7]    ; 7       ;
; Top nodes with highest fan-out                    ; lpm_counter:scan_cnt_rtl_0|dffs[1] ; 7       ;
; Top nodes with highest fan-out                    ; keyin[3]                           ; 6       ;
; Top nodes with highest fan-out                    ; databus[1]~6(tri-state)            ; 6       ;
; Top nodes with highest fan-out                    ; lpm_counter:count_rtl_1|dffs[8]    ; 6       ;
; Top nodes with highest fan-out                    ; \divider:count_divider[4]          ; 6       ;
; Top nodes with highest fan-out                    ; databus[0]~7(tri-state)            ; 6       ;
; Top nodes with highest fan-out                    ; count_ad[11]                       ; 6       ;
; Top nodes with highest fan-out                    ; databus[2]~5(tri-state)            ; 6       ;
; Top nodes with highest fan-out                    ; lpm_counter:scan_cnt_rtl_0|dffs[2] ; 6       ;
+---------------------------------------------------+------------------------------------+---------+


+---------------------------+
; Design Assistant Messages ;
+---------------------------+
Info: *******************************************************************
Info: Running Quartus II Design Assistant
    Info: Version 5.0 Build 148 04/26/2005 SJ Full Version
    Info: Processing started: Sat Nov 12 16:53:53 2005
Info: Command: quartus_drc --read_settings_files=on --write_settings_files=off xkcon -c xkcon
Critical Warning: Design Assistant warning: Clock signal should be a global signal. Found 4 node(s) related to this rule.
    Critical Warning: Node  "clk200khz"
    Critical Warning: Node  "clk2mhz"
    Critical Warning: Node  "wr"
    Critical Warning: Node  "ale"
Warning: Design Assistant warning: Clock signal source should drive only input clock ports. Found 2 nodes related to this rule.
    Warning: Node  "clk200khz"
    Warning: Node  "clk2mhz"
Warning: Design Assistant warning: Clock signal source should not drive registers that are triggered by different clock edges. Found 1 node(s) related to this rule.
    Warning: Node  "clk2mhz"
Warning: Design Assistant warning: External reset should be synchronized using two cascaded registers. Found 1 node(s) related to this rule.
    Warning: Node  "reset"
Info: Design Assistant information: Nodes with more than specified number of fan-outs. Found 6 node(s) with highest fan-out.
    Info: Node "c_st~7" has 31 fan-out(s)
    Info: Node "c_st~8" has 31 fan-out(s)
    Info: Node "cs" has 41 fan-out(s)
    Info: Node "port_no[0]" has 48 fan-out(s)
    Info: Node "port_no[2]" has 49 fan-out(s)
    Info: Node "port_no[1]" has 49 fan-out(s)
Info: Design Assistant information: Top nodes with highest fan-out. Found 50 node(s) with highest fan-out.
    Info: Node "port_no[1]" has 49 fan-out(s)
    Info: Node "port_no[2]" has 49 fan-out(s)
    Info: Node "port_no[0]" has 48 fan-out(s)
    Info: Node "cs" has 41 fan-out(s)
    Info: Node "c_st~7" has 31 fan-out(s)
    Info: Node "c_st~8" has 31 fan-out(s)
    Info: Node "wr" has 29 fan-out(s)
    Info: Node "count_ad[0]" has 27 fan-out(s)
    Info: Node "adflag" has 26 fan-out(s)
    Info: Node "count_ad[1]" has 25 fan-out(s)
    Info: Node "count_ad[12]" has 25 fan-out(s)
    Info: Node "count_ad[2]" has 23 fan-out(s)
    Info: Node "clk2mhz" has 23 fan-out(s)
    Info: Node "clk200khz" has 22 fan-out(s)
    Info: Node "count_ad[3]" has 21 fan-out(s)
    Info: Node "count_ad[4]" has 19 fan-out(s)
    Info: Node "count_ad[5]" has 17 fan-out(s)
    Info: Node "begin_ad" has 16 fan-out(s)
    Info: Node "c_st~9" has 16 fan-out(s)
    Info: Node "count_ad[6]" has 15 fan-out(s)
    Info: Node "count_ad[7]" has 13 fan-out(s)
    Info: Node "reset" has 13 fan-out(s)
    Info: Node "lpm_counter:count_rtl_1|dffs[1]" has 12 fan-out(s)
    Info: Node "lpm_counter:count_rtl_1|dffs[0]" has 12 fan-out(s)
    Info: Node "count_ad[8]" has 11 fan-out(s)
    Info: Node "lpm_counter:count_rtl_1|dffs[2]" has 11 fan-out(s)
    Info: Node "lpm_counter:count_rtl_1|dffs[3]" has 10 fan-out(s)
    Info: Node "count_ad[10]" has 9 fan-out(s)
    Info: Node "count_ad[9]" has 9 fan-out(s)
    Info: Node "lpm_counter:count_rtl_1|dffs[4]" has 9 fan-out(s)
    Info: Truncated list of Design Assistant messages to 30 messages. Go to sections under Design Assistant section of Compilation Report for complete lists of Design Assistant messages generated.
Info: Design Assistant information: finished post-fitting analysis of current design -- generated 56 information messages and 8 warning messages
Info: Quartus II Design Assistant was successful. 0 errors, 12 warnings
    Info: Processing ended: Sat Nov 12 16:53:53 2005
    Info: Elapsed time: 00:00:01