Introduction - If you have any usage issues, please Google them yourself
The module is based on verilog pulsed high-low to keep the trigger module includes both debounce function. Mainly on the development board for many of today' s switches are spring-loaded hand down low by the hand of a song becomes a high level. As long as the press release, the module will automatically output a low level. (Switch on the board is high normal) while the input debounce clk is 50Mhz part when you can delay 21ms to determine whether the switch is pressed