altpll0_inst.v

用来实现VGA发生时序

altpll0	altpll0_inst (
	.areset ( areset_sig ),
	.inclk0 ( inclk0_sig ),
	.pllena ( pllena_sig ),
	.c0 ( c0_sig ),
	.c1 ( c1_sig ),
	.locked ( locked_sig )
	);