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Terminal supporting dual network data transmission and realization method thereof

A data transmission and terminal technology, which is used in electrical digital data processing, electrical components, wireless communications, etc.

Active Publication Date: 2016-08-24
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, when equipment manufacturers develop and produce equipment, they also use these USB interfaces to download programs and other factory-mode operations. For these applications in different scenarios, USB is used for transmission. At present, there is no compatible support on the market. A terminal that communicates via USB in all the above scenarios

Method used

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  • Terminal supporting dual network data transmission and realization method thereof
  • Terminal supporting dual network data transmission and realization method thereof
  • Terminal supporting dual network data transmission and realization method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] The terminal supporting dual-network data transmission in the embodiment of the present invention includes: a first processor, a second processor, and a PMIC; wherein, the first processor supports setting as a universal serial bus master device USB host and / or a general-purpose The serial bus drives the device USB device, and the second processor supports setting as a USB device, wherein the first processor is used to perform the communication in USB mode after triggering the communication between the first processor and the second processor. USB communication. And the PMIC is used to transmit control commands and / or status information through the communication channel established with the first processor, so as to trigger the communication between the first processor and the second processor, and the communication of USB charging and / or Or USB normal communication. It should be pointed out here that the second processor also supports setting as a USB host, but in this...

Embodiment 2

[0069] Based on the first embodiment, in the scenario of triggering the communication between the first processor and the second processor, the terminal in the embodiment of the present invention further includes: a detection signal output circuit; and a first processor, used as a USB When the host uses USB to communicate with the second processor as a USB device, it outputs the first control line (or called control line 1) to enable the detection signal output circuit to output an active high level. Wherein, the detection signal output circuit is configured to output an active high level and provide it to the VBUS pin of the second processor. and the second processor is configured to change the level of its own D+ data line / D- data line after its own VBUS pin is powered on. And the first processor is further configured to detect that the level of the second processor has changed, determine that the current USB device is plugged in, and initiate an enumeration process to estab...

Embodiment 3

[0071]Based on Embodiment 1, in the scenario of triggering USB charging communication, the terminal in the embodiment of the present invention further includes: a USB socket X1 connected to the PMIC; the PMIC is further used for: detecting that the USB After the voltage on the VBUS of the socket X1 is reached, the interaction of the charging protocol is performed. After the interaction is completed, when it is judged that the external device inserted into the USB socket X1 is a charger, the charging channel is opened so that the charger can charge the battery.

[0072] Alternatively, the PMIC is also used to perform charging protocol interaction after detecting the voltage on the VBUS inserted into the USB socket X1. After the interaction is completed, when it is determined that the external device inserted into the USB socket X1 is a PC, Notify the first processor through the communication channel; correspondingly, the first processor is further configured to apply the voltage...

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Abstract

The invention discloses a terminal and method supporting dual network data transmission, wherein the terminal comprises a first processor, a second processor and a PMIC (Power Management Integrated Circuit), wherein the first processor supports to be set into a USB (Universal Serial Bus) host and / or a USB device; the second processor supports to be set into a USB device; the first processor is used for performing USB communication in a USB mode after the communication between the first processor and the second processor is triggered; and the PMIC is used for transmitting a control command and / or state information through a communication passage built between the PMIC and the first processor so as to trigger the communication between the first processor and the second processor, the USB charging communication and / or the USB normal communication.

Description

technical field [0001] The invention relates to download technology, in particular to a terminal supporting dual-network data transmission and a method for realizing the same. Background technique [0002] At present, the application of smart mobile devices is becoming more and more extensive, and the functions of smart phones and tablet computers are becoming more and more powerful. As people's demand for data transmission rate increases day by day, many mobile devices use dual modems (modem) to realize dual-channel data downloading. For example, mobile devices can access the Internet through two different Universal Subscriber Identity Cards (USIM) Download to form dual-channel download data. Since the final dual-channel data needs to be aggregated together for data aggregation and other processing, this involves which physical channel is used for data transmission. [0003] Such as figure 1 As shown, one of the modem (such as MDM#1) is generally integrated with an appli...

Claims

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Application Information

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IPC IPC(8): G06F13/40H04W88/06
CPCG06F13/4068H04W88/06
Inventor 李春林
Owner NUBIA TECHNOLOGY CO LTD
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