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Concept for communication between a microcontroller and at least one sensor chip

A sensor chip, microcontroller technology, applied in general control systems, program control, control/regulation systems, etc., can solve problems such as difficult test sequences

Pending Publication Date: 2021-04-23
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solution either requires a large number of pins on both the sensor and the microcontroller, and / or the solution is difficult to flexibly control the required test sequence

Method used

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  • Concept for communication between a microcontroller and at least one sensor chip
  • Concept for communication between a microcontroller and at least one sensor chip
  • Concept for communication between a microcontroller and at least one sensor chip

Examples

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Embodiment Construction

[0043] Various examples will now be described more fully with reference to the accompanying drawings in which some examples are shown. In the drawings, the thickness of lines, layers and / or regions may be exaggerated for clarity.

[0044] Therefore, while further examples are capable of various modifications and alternative forms, some specific examples thereof are shown in the drawings and described in detail later. However, this detailed description does not limit the additional examples to the specific forms described. Additional examples may cover all modifications, equivalents, and alternatives falling within the scope of the disclosure. Like reference numerals denote like or similar elements in the description of the figures, which when compared to each other may be implemented in the same or in a modified form, while providing the same or similar functions.

[0045] It will be understood that when an element is referred to as being "connected" or "coupled" to another ...

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PUM

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Abstract

The invention discloses a concept for communication between a microcontroller and at least one sensor chip. The present disclosure relates to a sensor system (200), comprising a microcontroller (230), at least one sensor chip (210) designed to measure a physical quantity, wherein the microcontroller (230) and the sensor chip (210) are coupled to one another via at least one analog signal interface (212) for conveying analog measurement data between the sensor chip and the microcontroller and via a bidirectional digital signal interface (250) for conveying digital secondary information between the sensor chip (210) and the microcontroller (230).

Description

technical field [0001] The present disclosure relates to apparatus and methods for communication between a microcontroller and one or more sensor chips. Background technique [0002] In many industrial applications, physical parameters are acquired by sensors in order to control technical systems (eg vehicles, washing machines, entertainment electronics, etc.) based on the acquired parameters. For this purpose, the sensor usually supplies its measurement signal to a microcontroller or microprocessor acting as a control device. Current sensors are used in numerous applications. [0003] Due to bandwidth and synchronization requirements, most current sensors on the market today have an analog interface for current information (measured values). Extended functionality, such as fast overcurrent detection, can be implemented through an additional interface that enables fast feedback under certain conditions (for example, if the measured current exceeds a certain threshold). ...

Claims

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Application Information

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IPC IPC(8): G01R15/20G01D21/02
CPCG01R15/20G01R15/202G01R15/205G01D21/02G01R31/343G01R31/007G05B19/042G06F13/385G01R33/0023G01R19/252G01R19/2506
Inventor L·艾克雷德勒G·弗里斯恩格
Owner INFINEON TECH AG