Awakening method between mobile terminal modules and multi-mode terminal using the same
A technology between mobile terminals and modules, applied in the field of mobile communication, can solve the problems of multi-signal lines, occupancy, multi-I/O ports, etc., and achieve the effect of saving I/O port resources and reducing costs
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[0038] First, the principle of the present invention is briefly explained. In the present invention, two signal lines are set between two modules that need to wake up each other, and a hardware interrupt is adopted to realize interrupt wake-up and state detection of the other side through the two signal lines.
[0039] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0040] refer to figure 1 , shows a schematic structural diagram of an embodiment of a multi-mode terminal in the present invention. As shown in the figure, the multi-mode terminal includes a GSM module 10 and a CDMA module 20, both of which are independent communication modules.
[0041] The serial bus UART is connected between the GSM module 10 and the CDMA module 20, and the GPIO3 of the GSM module 10 is connected with the GPIO13 of the CDMA module 20 as a power supply port; the reset signal of the GSM module 10 is passed through its GPIO4 Send to the GPIO1
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