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Program-controlled unit and method

A program control and execution unit technology, applied in the field of program control units, can solve problems such as error identification and occurrence on bus lines, and achieve the effect of reducing chip area

Inactive Publication Date: 2006-05-17
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Errors can however occur at various points in the system, e.g. errors can occur on bus lines or due to faulty operations within the calculation unit or comparison unit
Therefore there is also a need for error identification

Method used

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  • Program-controlled unit and method
  • Program-controlled unit and method

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Experimental program
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Embodiment Construction

[0030] Identical or functionally identical elements (unless otherwise stated) are provided with the same reference symbols in the figures of the figures. For better clarity, the inventive program control unit and its components, such as microcontroller core (CPU), memory unit, peripheral units, etc., are not shown in FIGS. 1 and 2 .

[0031] An arithmetic logic unit (ALU) is denoted by reference numerals 1 and 2 in FIGS. 1 and 2, respectively. Each ALU unit 1, 2 has two inputs and one output. In the test run, the operands set up for execution are coupled directly from the bus 3 into the inputs (not shown) of the ALU units 1, 2, or are previously stored in operand registers 8, 8, 9 in. These operand registers 8 , 9 are directly coupled to the data bus 3 . Both ALU units 1 , 2 are thus supplied by the same operand register 8 , 9 . In addition, it can be provided that the individual operands are already provided with the ECC code stored in the registers 8', 9' via the bus.

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PUM

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Abstract

The invention creates a program-controlled unit with a single controller core (Core) with a first and at least one second execution unit (1, 2), which execute units (1, 2) in In the first mode of operation, they can operate independently of each other, and in the second mode of operation, the same instructions are executed in parallel.

Description

technical field [0001] The invention relates to a program-controlled unit and a method for operating the program-controlled unit. Background technique [0002] Such a program-controlled unit is designed, for example, as a microprocessor, microcontroller, signal processor or the like. A microcontroller has a microcontroller core (the so-called Core), one or more memories (program memory, data memory, etc.), peripheral components (oscillator, I / O ports, timers, AD converter, DA Converter, communication interface) and interrupt system, which are integrated on one chip and connected to each other through one or more buses (internal and external data bus / address bus). The structure and mode of operation of this program control unit have been disclosed many times, so this will not be discussed in detail. [0003] In the sense of a modular microcontroller solution, the microcontroller core is the on-chip integrated central control unit (CPU). The microcontroller core mainly cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/16G06F15/76G06F15/78
CPCG06F9/3001G06F9/30105G06F9/30116G06F9/3863G06F9/3885G06F11/1641G06F9/3836G06F9/30189G06F15/76G06F11/16G06F9/30181
Inventor R·魏伯勒E·贝尔T·科特克
Owner ROBERT BOSCH GMBH