Introduction - If you have any usage issues, please Google them yourself
Music player, each module written in VHDL, with pause function. jishu module generates eight incremented address signal according to the clock signal, transmitted music module. music module storing music data, based on the obtained address output scale. will scale the output signal is received after tonetab current scale is how much is a high octave, for digital display, while the frequency of this scale needs to pass the sub speaker module. speaker module in accordance with the received frequency-dividing the frequency dividing ratio of the clock 2M, and then sent to the buzzer sound.