Control interface expanded circuit

The invention discloses a control interface expanded circuit. The control interface expanded circuit is used for electrically connecting multiple storage devices and a control circuit, wherein the control circuit comprises a first control pin position and a second control pin position, the control interface expanded circuit comprises a memory module, the memory module comprises multiple memory areas, each memory area corresponds to one of the multiple storage devices, and each memory area is electrically connected with at least one corresponding storage device through at least one storage output pin position; each memory area is provided with a first pin position and a second pin position, the first pin positions of the multiple memory areas are electrically connected with the first control pin position of the control circuit, and the second pin positions of the multiple memory areas are electrically connected with the second control pin position of the control circuit. 本发明公开了种控制接口扩展电路，用于电性连接多个存储装置以及控制电路，其中，所