// Slow clock singnal (SCLK) generator
module SCLK_GEN (
CLK_IN,
CLK_OUT
);
input CLK_IN;
output CLK_OUT;
parameter MSB = 24;
reg [MSB-1:0] CNT;
wire CLK_OUT;
assign CLK_OUT = CNT[MSB-1];
always @ ( posedge CLK_IN )
CNT <= CNT + 1'd1;
endmodule