SRL16是Virtex器件中的一个移位寄存器查找表。它有4个输入用来选择输出序列的长度。使用XCV50-6器件实现，共占用5个Slice。用来生成gold码。-SRL16 Virtex devices is a shift register lookup table. It has four input used to select the output sequence length. Use XCV50-6 device, occupying a total of five Slice.

通信扩频码GOLD码序列的产生，码长度可以手动设置，VHDL语音实现。-GOLD generate communication code sequence spreading code, the code length can be set manually, VHDL voice implementation.