一个关于Spartan-3A的电路设计原理图，特别能帮助FPGA设计人员进行设计开发。具有绝对高的参考价值。-One on the Spartan-3A schematic circuit design, in particular, can help FPGA designers to design and development. Absolutely a high reference value.

Spartan-3AN开发板的Schematic原理图-Spartan-3AN Development Board Schematic diagram