luat平台看门狗电路设计指南，能够使用硬件方式保证air200模块运行的稳定性。(Luat platform watchdog circuit design guide, can use hardware to ensure the stability of air200 module operation.)

Xilinx IP核详解和设计开发 ，对于学习FPGA的同事非常有帮助(Xilinx IP nuclear detailed interpretation and design and development is very helpful for the colleagues to learn from FPGA)