Mobile phone interface multiplexing circuit based on standard micro USB interface
A mobile phone interface and multiplexing circuit technology, which is applied in the field of communication, can solve problems such as inconsistent interface definition, waste of space and cost, and incompatibility of accessories, and achieve the effects of simplifying structural design, reducing product cost, and reducing occupied space
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[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0017] see figure 1 As shown, the present invention is based on the standard Micro USB interface, and X6 is a connector conforming to the Micro USB interface specification. When connecting a USB device or USB HOST, the first pin of X6 is the VBUS signal, and the second pin is the USB D- signal , the third pin is the USB D+ signal, the fourth pin is the USB ID signal, and the fifth pin is the ground signal. In the present invention, different pins of the X6 can be multiplexed as corresponding peripheral signals and realize corresponding functions when connecting different peripheral devices.
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