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Companion chip for a microcontroller

一种微控制器、芯片的技术，应用在通用控制系统、程序控制、计算机控制等方向

Inactive Publication Date: 2010-07-21
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this hardware architecture requires the development of a corresponding bus scheme, interrupt scheme, and reset scheme to support this approach

Method used

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  • Companion chip for a microcontroller
  • Companion chip for a microcontroller
  • Companion chip for a microcontroller

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 A schematic diagram of a companion chip CC according to the invention is shown to illustrate its hardware architecture. The number and internal structure of these modules is scalable for different engine and vehicle classes. The figures show the architecture for a 4 cylinder diesel engine. Companion chip CC consists of two bus domains, namely D-MP (Domain-MicroProcessor: domain-microprocessor) and D-AE (Domain-Automotive Electronics: domain-automotive electronics), and their bus B-AE (Bus- Automotive Electronics: Bus-Automotive Electronics), B-FIFO (Bus-FIFO: Bus-FIFO) and B-MP (Bus-MicroProcessor: Bus-Microprocessor) are connected to each other through a bus bridge B (Bridge). The microprocessor MP (MicroProcessor) can thus be replaced without thereby affecting the hardware architecture in the AE bus domain. In addition to the dedicated timer component GTM (Generic TmierModule: General Timer Module), the companion chip CC also includes modules ADC (Analog / D...

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Abstract

A companion chip (CC) for a microcontroller, comprising a microprocessor bus domain (D-MP) and a peripheral module bus domain (D-AE), which are connected to each other via a bus bridge (B), wherein the microprocessor bus domain (D-MP) comprises at least one microprocessor core (MC) and the peripheral module bus domain (D-AE) comprises at least one global time management module (GTM), and modules for communicating with the outside world (ADC, ADC', SPI, RL) and for signal processing (SP, IFP), and having at least one FIFO module (FIFOx) for transmitting data within the chip (CC) and between the chip (CC) and the microcontroller, and an administration module (AM, AM') connected thereto, which ensures the consistency of the data by the association of a respective time value (t) and / or a rotation angle (f).

Description

Background technique [0001] The invention relates to a companion chip for a microcontroller according to claim 1 , a method for data processing in such a chip according to claim 8 and a method according to claim 12 The chip application described above. [0002] In order to relieve the microcontroller currently used for the control, a companion chip is often used which assists the controller in carrying out the tasks of the controller. Depending on the intended use of the control, the required functionality needs to be allocated or divided between the microcontroller and the companion chip. This can be done, for example, in the engine management of a motor vehicle, depending on the requirements for rotational speed detection and injection. [0003] The division between standardized microcontrollers and companion chips such as that found in Micronas' Automotive Package TM in a multi-chip module (MCM). The module is composed of two parts, that is, a basic unit (Body Unit: bod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor M·克瑙斯S·施密特T·林登克鲁兹U·舒茨J·哈尼施R·库勒
Owner ROBERT BOSCH GMBH
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