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System-on-chip apparatus with time shareable memory and method for operating such an apparatus

A system-on-chip and memory technology, which is applied to the architecture with a single central processing unit, general-purpose stored program computers, instruments, etc., can solve the problem of not being used, and achieve the effects of cost saving, memory saving, and chip area reduction

Inactive Publication Date: 2008-11-05
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the memory cannot be used by both applications, then twice the memory resources will have to be provided, one of which is always unused

Method used

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  • System-on-chip apparatus with time shareable memory and method for operating such an apparatus
  • System-on-chip apparatus with time shareable memory and method for operating such an apparatus

Examples

Experimental program
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Embodiment Construction

[0040] exist figure 1 The system-on-chip device 1 shown in includes a first electronic component 2, a second electronic component 3, a central processing unit 4 as a third electronic component, a general purpose random access memory 5 as a fourth electronic component, and a multiplexer 6. The multiplexer is part of the system bus 7, and all these components are arranged on a common substrate 8 as an integrated circuit.

[0041]The first electronic component 2 is a wireless local area network transceiver, which is connected to a first external antenna 11 . It contains a first internal random access memory 9, for example, with a size of 2MBit as a buffer memory performing its special purpose communication function. The second electronic component 3 is a digital video broadcasting transceiver for handheld devices, which is connected to an outer second external antenna 12 . It contains a second internal random access memory 10 of 2MBit which acts as buffer memory for its special...

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PUM

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Abstract

The invention relates to a system-on-chip apparatus (1), comprising at least two electronic components (2, 3) serving for special purpose functions and a system bus (7) and at least one random access memory (9) that is integrated into the first electronic component (2), located in common on one substrate (8), wherein the system bus (7) connects the electronic components (2, 3) and wherein the random access memory (9) of the first electronic component (2) is time shareable to the second electronic component (3) via said system bus (7), and to a method for operating such a system-on-chip apparatus (1).

Description

technical field [0001] The present invention relates to a system-on-chip device comprising at least two special-purpose [0002] functional electronic components, and the invention relates to methods of operating such devices. Background technique [0003] A System-on-Chip (abbreviated SoC) device is the packaging of all the necessary electronic circuits, components and components of a "system" such as a mobile phone or digital camera on a single integrated circuit (IC), often referred to as a microchip. A system-on-chip device consists of general-purpose elements like processor cores, bus systems, and memory, as well as dedicated hardware elements or hardware accelerators. For example, a system-on-chip device for a sound detection device might include an audio receiver, an analog-to-digital converter (ADC for short), a microprocessor, memory, and input / output logic controls for the user—all on a single microcontroller. on chip. [0004] For example, a special purpose fun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/78G01F1/32G06F15/173
CPCG06F1/3203G06F15/7842
Inventor 迪特马尔·加斯曼
Owner NXP BV
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