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Multi-channel real-time direct reading memory structure

A memory and multi-channel technology, which is applied in the fields of instruments, climate sustainability, electrical digital data processing, etc., can solve the problems of occupancy, complex structure of multi-channel real-time direct-reading memory, and multiple resources, so as to avoid waste of resources and reduce power consumption. Consumption, the effect of improving efficiency

Active Publication Date: 2012-06-27
PERICOM TECH (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a multi-channel real-time direct-read memory structure to solve the problem that the structure of the multi-channel real-time direct-read memory in the prior art is relatively complicated and takes up too many resources

Method used

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  • Multi-channel real-time direct reading memory structure
  • Multi-channel real-time direct reading memory structure
  • Multi-channel real-time direct reading memory structure

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Embodiment Construction

[0026] The specific embodiment of the present invention will be further described below in conjunction with the accompanying drawings, and the embodiment adopts 4 channels.

[0027] like image 3 , the system block diagram of multi-channel real-time direct access memory, including: memory, 4 interface channel controllers and time-division multiplexing state machine controller.

[0028] Memory: used to store the data of each channel, including channel 1 memory and difference register group. The channel 1 memory is the storage part used to store the complete data of channel 1; the difference register group is the storage part used to store the difference data between other channels and channel 1.

[0029] 4 interface channel controllers: they adopt the same structure and are used to connect the peripheral interface and the memory, and share the memory with the same size time slice rotation. When parallel 8-bit data is transferred from the memory to the channel, the data is ser...

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Abstract

The invention discloses a multi-channel real-time direct reading memory structure, which comprises a memory consisting of a first channel memory and a difference register set, a time division multiplexing controller which is connected with the memory and comprises a state machine and a group of buffer data registers, and a plurality of channel controllers which comprise a first channel and are connected with the time division multiplexing controller, wherein the state machine controls each channel to rotate in time slices, and the buffer data register is used for data buffer of each channel; the first memory is used for storing complete storage data of the first channel, and the difference register set is used for storing the storage data of other channels in a plurality of channel except the first channel, which is different from the storage data of the first channel. By adopting the multi-channel real-time direct access memory technical scheme, the situation that the resource waste of storage space is caused by repeated storage of same data of the memory is avoided, and each channel accesses the memory in different time slices, so the efficiency of an integrated circuit is improved, and the power consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of integrated circuits, in particular to a multi-channel real-time direct-read memory structure. Background technique [0002] With its high transmission quality, convenient control, and copyright protection, HDMI technology has brought about a revolution in video transmission technology. The HDMI interface has also developed from a single link to today's multi-port switch. In multi-source HDMI switching data, when the source device is connected, the EDID information is obtained through the DDC channel, and the system configures a memory for each DDC channel to preset EDID data. A memory with preset EDID information is configured for each DDC channel, which solves the problem of effective acquisition of EDID data between multi-source HDMI interfaces. [0003] Usually in a system with HDMI multi-source input and a terminal display output, the storage and acquisition of EDID data usually adopts such as figu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/28
CPCY02B60/1228Y02B60/1235Y02D10/00
Inventor 郭章其田晓红冒鑫
Owner PERICOM TECH (SHANGHAI) CO LTD
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