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Microprocessor system with improved structure

A microprocessor and controller technology, applied in the computer field, can solve problems such as low efficiency and slow data exchange speed, and achieve the effects of reducing burden, increasing speed, and improving the ability to process data

Inactive Publication Date: 2005-05-25
NATIONZ TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a microprocessor system with an improved structure that can transmit data streams concurrently and efficiently, so as to solve the shortcomings in the prior art that only one bus can transmit data, low efficiency, and slow data exchange speed

Method used

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  • Microprocessor system with improved structure
  • Microprocessor system with improved structure

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Embodiment Construction

[0019] exist figure 1 In the schematic structural diagram of the concurrent multi-bus microprocessor system shown, the internal structure of the microprocessor chip is represented in the dashed box. The remarkable feature of this microprocessor is that it has three mutually independent first data bus CBUS, second data bus DBUS and third data bus PBUS. The microprocessor adopts stand-alone structure and only uses one CPU core circuit. The CPU core circuit (hereinafter referred to as CPU) fully controls the first data bus CBUS, but cannot serve as a bus master for the second data bus DBUS and the third data bus PBUS. The master controllers of the other two buses of the microprocessor are the DMA controller and the PCI bridge respectively. The DMA controller fully controls the second data bus DBUS, and the PCI bridge fully controls the third data bus PBUS. Complementary to the three-bus structure, the microprocessor includes multiple multi-port components, among which the seria...

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Abstract

The present invention proposes a microprocessor in the field of computers, which adopts a multi-bus concurrent structure, including three data buses CBUS, DBUS and PBUS that are independent of each other and have their own unique bus master, multi-port equipment serial port data buffers, basic Communication module, storage control module, DMA controller, PCI data buffer 1, PCI data buffer 2 and PCI bridge. CPU and other master devices (such as DMA controller, PCI bridge) can transmit data in parallel, so as to overcome the shortcomings of low CPU efficiency and slow data exchange speed under the single bus structure, make full use of the resources of the microprocessor, and improve the speed of data transmission .

Description

technical field [0001] The present invention relates to the computer field, in particular to a microprocessor system in the computer field. Background technique [0002] With the increasing application of computer systems in various fields such as communications and electronics, various industries have gradually increased their dependence on computers, and have higher and higher requirements for computer performance, especially the core component microprocessor in computer systems. , its speed and efficiency directly affect the processing capacity of the computer system, which also becomes the direct driving force for the faster and higher speed and higher efficiency of the microprocessor. However, due to the current microprocessor system such as the x86 series microprocessor 8240 microprocessors and so on generally adopt single-bus structure, and a bus arbitrator manages multiple master devices, such as CPU, DMA (direct memory access) controller, and PCI bridge. The requir...

Claims

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Application Information

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IPC IPC(8): G06F13/16
Inventor 梁松海王良清李美云鹿甲寅
Owner NATIONZ TECH INC
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