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Method for data transmission between master and slave elements

A data transmission method and technology of the transmission method are applied in the transmission field of the I2C bus, which can solve the problems of waste of resources, waste of main component resources, waste of waiting time, etc., and achieve the effect of fast data transmission

Inactive Publication Date: 2009-07-01
MITAC COMP (SHUN DE) LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This waiting time will cause a waste of resources of the main component during this waiting time, and spend a lot of waiting time
[0006] Based on the above, the known data transmission method between the master and slave components will always be in a waiting state when the master component does not receive the confirmation signal sent by the slave component, thus wasting the resources of the master component during this period, resulting in Master cannot transfer data to slave sooner

Method used

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  • Method for data transmission between master and slave elements
  • Method for data transmission between master and slave elements
  • Method for data transmission between master and slave elements

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Embodiment Construction

[0018] Please refer to figure 1 , which shows a flow chart of the steps of a data transmission method between master and slave components according to a preferred embodiment of the present invention. This method is to avoid the waste of resources of the master element and reduce the time for accessing data when the master element accesses data from the slave element through the bus. Wherein, before explaining the method, some hardware devices for realizing the method are explained at first, so as to better understand the steps of the method.

[0019] In this embodiment, the master element can be a microcontroller, and the slave element can be a memory or an integrated circuit, but not limited thereto; the bus can be a serial bus, and the serial bus is I 2 C bus. Wherein, the bus includes data pins and clock pins.

[0020] In this embodiment, the data transmission method between the master and slave components first starts as when the master component decides to send data t...

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Abstract

A data transmission method between master and slave components. This transmission method is to use the time when the master component is waiting for the confirmation signal from the slave component to perform the data arrangement action of the data that the master component wants to transmit. This action can save the master component resources, and can shorten the data transmission time between the master and slave components.

Description

technical field [0001] The present invention relates to a kind of I 2 The transmission method of the C bus, and especially relates to a data transmission method between the master and slave elements in the I2C bus, which utilizes the time of waiting for the acknowledgment (acknowledge) signal to arrange data. Background technique [0002] Generally, most microcontrollers use a parallel bus (Parallel Bus). However, in recent years, some relatively new microcontrollers can be seen. In addition to the parallel bus, there is also a serial bus to choose from. And one of the serial buses--I 2 The C bus has been very commonly designed in microcontrollers. [0003] I 2 C is the abbreviation of Inter-Integrated Circuit. As the name implies, it is a bus for communication between integrated circuits (ICs). The traditional parallel bus adopts a parallel architecture (8-bit, 16-bit, etc.), so there are many connections between ICs, and a decoding circuit is required, which makes it c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/00H04L12/40
Inventor 叶承溱
Owner MITAC COMP (SHUN DE) LTD
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