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I2C bus compatibility test method and system, storage medium and apparatus

A technology of compatibility testing and bus, which is applied in the direction of error detection/correction, detection of faulty computer hardware, instruments, etc., can solve problems such as poor test results and complicated I2C bus compatibility test process, and achieve poor test results. Good, improve test coverage, reduce system complexity

Active Publication Date: 2019-01-11
PHOTONIC TECH SHANGHAI CO LTD
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Problems solved by technology

[0004] In view of the above-mentioned shortcoming of prior art, the object of the present invention is to provide a kind of I2C bus compatibility test method, system, storage medium and equipment, for solving In the prior art, the I2C bus compatibility test process is extremely complicated and the test effect is not good

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  • I2C bus compatibility test method and system, storage medium and apparatus
  • I2C bus compatibility test method and system, storage medium and apparatus
  • I2C bus compatibility test method and system, storage medium and apparatus

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Embodiment Construction

[0029] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0030] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides an I2C bus compatibility test method and system, a storage medium and an apparatus. The I2C bus compatibility test method comprises the following steps of: inputting waveform parameters into a script used for generating waveform data in mathematical software installed in an electronic device; inserting abnormal condition data into the generated waveform data; transmitting the waveform data to a signal generator through the mathematical software, wherein the signal generator generates a signal and waits for the signal to be triggered; reading the waveform data and sendingthe waveform data to an oscilloscope; analyzing the oscilloscope waveform and reading the write-back value. The invention solves the problems of extremely complex I2C bus compatibility test process and poor test effect in the prior art, creatively uses the common instruments and software in the laboratory to build a complete I2C bus compatibility test system, reduces the complexity of the systemand improves the test coverage.

Description

technical field [0001] The invention particularly relates to an I2C bus compatibility testing method, system, storage medium and equipment. Background technique [0002] Interface bus compatibility is very important for chip applications. Since the I2C interface includes both analog filter circuits and digital logic circuits, the I2C bus compatibility test is particularly complicated. [0003] In the prior art, some of the I2C bus compatibility test methods cannot test analog performance such as noise suppression and response time, and some cannot test indicators such as decision level, output current, and high-frequency noise suppression. The development is complicated, and the test process is not flexible. performance and test coverage is small. Contents of the invention [0004] In view of the above-mentioned shortcoming of the prior art, the object of the present invention is to provide a kind of I2C bus compatibility test method, system, storage medium and equipment,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/22G06F11/263
CPCG06F11/221G06F11/263
Inventor 匡磊王磊蔡雅欣宋柳佳
Owner PHOTONIC TECH SHANGHAI CO LTD
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