An IIC exchange system and a control method thereof

A switching system and control method technology, applied in the field of IIC controllers, can solve problems such as wasting costs, affecting communication speed and efficiency, and achieve the effect of reducing costs and reducing the number of purchases

Pending Publication Date: 2019-04-26
CIG SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defect that the SOC controller in the prior art needs to add a bus extension IIC dedicated IC when processing multiple IIC peripherals, which affects communication speed and efficiency and wastes costs, and provides an IIC Switching system and its control method

Method used

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  • An IIC exchange system and a control method thereof
  • An IIC exchange system and a control method thereof
  • An IIC exchange system and a control method thereof

Examples

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Embodiment Construction

[0025] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

[0026] Such as Figure 1-2 As shown, the IIC switching system of the present invention includes a SOC controller 1, several switches 2 and a logic control module 3;

[0027] Wherein, the SOC controller 1 internally includes at least one IIC controller 11; several switches 2 are respectively connected between the output ends of all the IIC controllers 11 and the input ends of the IIC peripherals 4;

[0028] The logic control module 3 is used to connect the output terminals of different IIC controllers 11 with different switches 2, and assign different IIC peripheral addresses to different switches 2, so as to control different IIC controllers 11 and different IIC controllers. The IIC peripheral 4 establishes separate communication; and, after the IIC controller 11 completes the communication with the corresponding IIC peripher...

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PUM

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Abstract

The invention discloses an IIC switching system and a control method thereof, and the IIC switching system comprises an SOC controller which internally comprises at least one IIC controller; The plurality of switches which are respectively connected between the output ends of all the IIC controllers and the input end of the IIC peripheral; And the logic control module which is used for communicating the output ends of different IIC controllers with different switches and distributing different IIC peripheral addresses to the different switches so as to control the different IIC controllers toestablish independent communication with different IIC peripherals. According to the invention, information interaction between one or more IIC controllers and a plurality of IIC devices is realized in an exchange manner, so that the communication rate and efficiency are ensured, the PCB area and the product size are saved, the purchase quantity of special ICs is reduced, and the cost is greatly reduced.

Description

technical field [0001] The invention relates to the field of IIC controllers, in particular to an IIC switching system and a control method thereof. Background technique [0002] At present, mainstream SOC (system-on-chip) controllers generally include 2 to 3 IIC (integrated circuit bus) controllers. When dealing with up to 32 to 128 IIC peripherals, it is generally necessary to add a dedicated IC (integrated circuit bus) for bus expansion IIC. ), which will affect the communication rate and efficiency, and will lead to an increase in the purchase of dedicated ICs, which is a waste of cost. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defect that the SOC controller in the prior art needs to add a bus extension IIC dedicated IC when processing multiple IIC peripherals, which affects communication speed and efficiency and wastes costs, and provides an IIC Switching system and control method thereof. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/42G06F15/78
CPCG06F13/4282G06F15/78
Inventor 袁泉千怀州
Owner CIG SHANGHAI CO LTD
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