pwm_width_i CLOCK_50 rst_ni KEY0 clk_i en_pwm_pi rst_ni pwm_o MUV pwm en_pi pwm_width_i 8 pwm_o rst_ni clk_i clk_i LEDR[0] LEDR[1] LEDR[7] clk_i n m prescaler cntdnmodm en_pi count_o n tc_o rst_ni clk_i 1‘ OPEN rst_ni SW[7..0] L H pwm_width_i GPO_1[1] GPO_1[2] GPO_1[0] clk_i en_pwm_pi pwm_o