cnt4.mfd

来自「《Verilog-HDL实践与应用系统设计》一书中的光盘源文件」· MFD 代码 · 共 49 行

MDF Database:  version 1.0
MDF_INFO | CNT4 | XC9536-5-PC44
MACROCELL | 0 | 2 | N18
ATTRIBUTES | 8782642 | 0
INPUTS | 3 | CLK  | RSTB  | Q<0>".PIN
INPUTP | 3 | 2 | 1 | 5
EQ | 4 | 
    "Q<0>"  :=  /"Q<0>".PIN
    "Q<0>".CLKF  =  CLK
    "Q<0>".RSTF  =  /RSTB
    "Q<0>".PRLD  =  GND

MACROCELL | 0 | 4 | N19
ATTRIBUTES | 8782642 | 0
INPUTS | 3 | Q<1>".PIN  | RSTB  | Q<0>".PIN
INPUTP | 3 | 6 | 1 | 5
EQ | 4 | 
    "Q<1>"  :=  /"Q<1>".PIN
    "Q<1>".CLKF  =  /"Q<0>".PIN
    "Q<1>".RSTF  =  /RSTB
    "Q<1>".PRLD  =  GND

MACROCELL | 0 | 6 | N20
ATTRIBUTES | 8782642 | 0
INPUTS | 3 | Q<2>".PIN  | RSTB  | Q<1>".PIN
INPUTP | 3 | 7 | 1 | 6
EQ | 4 | 
    "Q<2>"  :=  /"Q<2>".PIN
    "Q<2>".CLKF  =  /"Q<1>".PIN
    "Q<2>".RSTF  =  /RSTB
    "Q<2>".PRLD  =  GND

MACROCELL | 0 | 5 | N21
ATTRIBUTES | 8782642 | 0
INPUTS | 3 | Q<3>".PIN  | RSTB  | Q<2>".PIN
INPUTP | 3 | 8 | 1 | 7
EQ | 4 | 
    "Q<3>"  :=  /"Q<3>".PIN
    "Q<3>".CLKF  =  /"Q<2>".PIN
    "Q<3>".RSTF  =  /RSTB
    "Q<3>".PRLD  =  GND

PIN | RSTB | 1 | 0 | 64 | 4 | 0 | 2 | 0 | 4 | 0 | 6 | 0 | 5
PIN | CLK | 0 | 0 | 64 | 1 | 0 | 2
PIN | Q<0> | 0 | 2 | 64 | 2 | 0 | 2 | 0 | 4
PIN | Q<1> | 0 | 4 | 64 | 2 | 0 | 4 | 0 | 6
PIN | Q<2> | 0 | 6 | 64 | 2 | 0 | 6 | 0 | 5
PIN | Q<3> | 0 | 5 | 64 | 1 | 0 | 5