Microphone (MIC) switching circuit of vehicle-mounted multimedia terminal

The invention provides a microphone (MIC) switching circuit of a vehicle-mounted multimedia terminal. The MIC switching circuit is used for being connected with the vehicle-mounted multimedia terminal, and is characterized by comprising a first analog toggle switch, a second analog toggle switch and a MIC module, wherein the vehicle-mounted multimedia terminal is respectively connected with the first analog toggle switch and the second analog toggle switch, the first analog toggle switch is connected with the second analog switch, and the second analog switch is connected with the MIC module. According to the circuit of the invention, the cost is reduced, reliability of the circuit is improved, and the complexity of the circuit is reduced. 本发明提供了种车载多媒体终端的MIC切换电路，用于与车载多媒体终端连接，其特征在于：包括第模拟切换开关、第二模拟切换开关以及麦克风模块，所述车载多媒体终端分别连接所述第模拟切换开关以及第二模拟切换开关，所述第模拟开关连接至所述第二模拟开关，所述第二模拟开关连接至所述麦克风模块；降低成本，提高电路的可靠性，并且降低电路的复杂程度。