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Method for sharing data between semiconductor chips

A technology of data frame and chip selection, applied in the field of data communication

Active Publication Date: 2022-02-25
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The number of chip select outputs is a big limitation because power consumption limits the number of actuators controlled by a single driver circuit

Method used

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  • Method for sharing data between semiconductor chips
  • Method for sharing data between semiconductor chips
  • Method for sharing data between semiconductor chips

Examples

Experimental program
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Embodiment Construction

[0039] Exemplary embodiments of the present disclosure may, for example, be referred to as the automotive field, and are intended to be limited in application and use.

[0040] Some embodiments may include automotive systems 100 such as figure 1 and 2 As shown, the automotive system includes an internal combustion engine (ICE) 110 having an engine block 120 defining at least one cylinder 125 having a piston 140 coupled to rotate a crankshaft 145 . Cylinder head 130 cooperates with piston 140 to define combustion chamber 150 . A fuel and air mixture (not shown) is disposed in combustion chamber 150 and is ignited to generate thermally expanding exhaust gases, causing piston 140 to reciprocate. Fuel is provided through at least one fuel injector 160 and air is provided through at least one air intake 210 . Fuel is provided at high pressure to fuel injector 160 from fuel line 170 , which is in fluid communication with high pressure fuel pump 180 , which increases the pressure ...

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Abstract

The invention discloses a method for sharing data between a microcontroller (20) and drive circuits (IC1-IC6) of a plurality of actuators (M1-M12). The method comprises the steps of: a) providing a microcontroller having a microsecond bus (10) and a plurality of chip select outputs (CS1, CS2); b) providing a plurality of driver circuits having An input pin that receives a data signal from a microcontroller, where each driver circuit has an input pin that receives a signal from a chip select output of the microcontroller, and an input pin connected to ground voltage (GND) or to a supply voltage (VCC) at least two configuration pins (CP1, CP2); c) sending a data frame signal on the microsecond bus, wherein each driver circuit is provided with a part of the data frame signal as a function of the chip output of the microcontroller, and as It is a function of the voltage connections of at least two configuration pins.

Description

technical field [0001] The technical field relates to a method of sharing data between semiconductor chips, and in particular, to a method of optimizing data communication from a first controller chip to a semiconductor chip sharing serial data between different power chips connected to a circuit load such that The number of connections, output delay and power consumption are minimized. Background technique [0002] Traditional electrical architectures typically include a logic control chip (eg, microcontroller, FPGA) and multiple power chips connected to the logic controller using serial or parallel data lines. For example, in the automotive field, an electronic control unit (ECU) is used to control an internal combustion engine; a microcontroller within the ECU receives input signals from sensors associated with the internal combustion engine and generates output signals to different devices, such as, A drive circuit for an actuator configured to control operation of an i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257G06F13/4291
Inventor R.莫罗纳S.阿尔普
Owner GM GLOBAL TECH OPERATIONS LLC