Communication signal level shifting circuit

The utility model relates to a communication signal level shifting circuit, include that microprocessor communication interface, communication signal send converting circuit, communication signal receives converting circuit, communication integrated circuit uplink interface constitution, wherein, microprocessor communication interface sends converting circuit with communication signal respectivelyand communication signal receipt converting circuit is continuous, the rear end that communication signal sent converting circuit and communication signal receipt converting circuit is connected to on the communication integrated circuit uplink interface. Through adopting communication signal level shifting circuit, make microprocessor and communication integrated circuit's signal level matching,the security that has improved microprocessor, stabilizing of communication data is better, and the reliability of circuit is higher. 本实用新型涉及种通信信号电平转换电路，包括微处理器通信接口、通信信号发送转换电路、通信信号接收转换电路、通信集成电路上行接口组成，其中，微处理器通信接口分别与通信信号发送转换电路和通