基于Nios II实现基本的定时器功能。-The timer is based on Nios II for numbering.

ALTERA FPGA 构建nios ii CPU ——中断法定时器 本例子教你学会FPGA NIOS中断，熟悉中断，逐步深入。-ALTERA FPGA build nios ii CPU- to interrupt method timer this example teach you to learn to FPGA NIOS interrupt, familiar interrupt gradually deepened.