Intel® Quartus® Prime Pro Edition用户指南: 设计编译

ID 683236
日期 12/16/2019
Public
文档目录

1.8.2.3. VHDL等待概念

Intel® Quartus® Prime软件支持每处理块一个VHDL wait until状态。 然而, Intel® Quartus® Prime软件不支持其他VHDL wait概念,如wait forwait on状态,或具有多个wait状态的处理。

VHDL wait until概念实例

architecture dff_arch of ls_dff is
begin
output: process begin
wait until (CLK'event and CLK='1');
Q <= D;
Qbar <= not D;
end process output;
end dff_arch;