Re: [討論] HDL有這種語法?
※ 引述《CuckooBoy (阿書)》之銘言:
: ※ 引述《zxvc (zxvc)》之銘言:
: : Xilinx ISE合得出來,只要你選到支援DDR的FGPA/CPLD晶片:
: : http://web.cc.ncu.edu.tw/~93501025/DDR.png

: : Quartus II我不清楚。
: 我不太熟verilog...
: 不過,感覺你的寫法類似...
: process(clock) begin
: if clock='1' then
: x<='1';
: else
: x<='0';
: end if;
: end process;
: 如果是這樣的話....一般不支援DDR的FGPA/CPLD晶片也可以做
不一樣,請注意圖中Post-fit simulation的結果,
這並不是一個Combinational logic。
Q訊號是在Clock的正緣與負緣sample資料。
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