顾名思义，output_delay就是指输出端口的数据相对于参数时钟边沿的延时。 对于系统同步，FPGA和下游器件是同一个时钟源，output delay的设置方式如下图所示： set_output_delay -clock [get_clocks {clk}] -min -add_delay -1.0 [get_ports {led[*]}] set_output_delay -clock ...

Every peripheral device (keyboard, modem, monitor, etc.) requires a control circuit that interfaces with the computer's processor (CPU). These circuits are either built into the chips on the ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Your commands, ideas, demands and concepts form the data your system processes and stores. Without user input, a computer simply takes up desktop space and waits for directions, like a lost motorist ...