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high-speed storage device
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A high-speed storage and circuit technology, applied in the direction of input/output to record carrier, etc., can solve the problem of low real-time storage performance, and achieve the effect of low power consumption and speed improvement
Inactive Publication Date: 2015-12-09
HARBIN NORMAL UNIVERSITY
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem of low real-time storage performance of current low-power and low-cost storage devices. The present invention provides a high-speed storage device
Method used
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specific Embodiment approach 1
[0017] Specific implementation mode one: combine figure 1 Describe the present embodiment, the high-speed storage device described in the present embodiment, it comprises FIFO circuit 1, FPGA circuit 2, hard disk 3, AVR single-chip microcomputer 4 and USB circuit 5;
[0018] The data signal output end of FIFO circuit 1 is connected with the image data signal input end of FPGA circuit 2, and the USB serial data port of FPGA circuit 2, the USB serial data port of hard disk 3 are all connected with the serial port of USB circuit 5,
[0019] The control signal output end of FPGA circuit 2 is connected with the control signal input end of AVR single-chip microcomputer 4, and the USB serial data port of AVR single-chip microcomputer 4 is connected with the serial data port of USB circuit 5.
[0020] The AVR circuit is equivalent to a central controller to complete various underlying scheduling tasks;
[0021] The USB circuit mainly completes the communication with the upper compute...
specific Embodiment approach 2
[0023] Specific implementation mode two: combination figure 2 Describe this embodiment, this embodiment is a further limitation on the high-speed storage device described in the first specific embodiment,
[0024] Described FPGA circuit 2 comprises data latch, CRC check module, data buffer module, FIFO read interface logic module, ATA interface logic module and data selector;
[0025] The data latch is used to latch the received data and wait for storage;
[0026] The CRC verification module is used to perform CRC verification on the data output by the data latch according to the set bit error rate of the data storage, generate CRC verification data and send it to the data selector;
[0027] The data buffer module works synchronously with the CRC check module, and sends the data output by the data latch to the data selector;
[0028] The data selector is used to determine the data format of the synchronous combination of the latched FIFO data and the CRC check data by the d...
specific Embodiment approach 3
[0032] Embodiment 3: This embodiment is a further limitation of the high-speed storage device described in Embodiment 1.
[0033] The USB circuit 5 is realized by using the chip TUSB6250.
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Abstract
The invention relates to a storage device, and provides a high-speed storage device for resolving the problems that real-time storage performance of a storage device low in power consumption and cost at present is poor. The high-speed storage device comprises an FIFO circuit, an FPGA circuit, a hard disk, an AVR single chipmicrocomputer and a USB circuit. A data signal output end of the FIFO circuit is connected with an image data signal input end of the FPGA circuit, a USB serial data interface of the FPGA circuit and a USB serial data interface of the hard disk are both connected with a serial interface of the USB circuit, a control signal output end of the FPGA circuit is connected with a control signal input end of the AVR single chipmicrocomputer, and a USB serial date interface of the AVR single chipmicrocomputer is connected with a serial data interface of the USB circuit. The high-speed storage device is mainly used for storing data for a camera and other devices in real time.
Description
technical field [0001] The invention relates to a storage device, in particular to a high-speed storage device. Background technique [0002] With the rapid development of the computer industry, the application fields of storage devices are becoming wider and wider, especially for cameras. At the same time, the low power consumption and low cost of the storage device make the memory card widely used by other devices, but the current low power consumption and low cost storage device has the problem of low real-time storage performance during use. Contents of the invention [0003] The object of the present invention is to solve the problem of low real-time storage performance of current low-power and low-cost storage devices, and the present invention provides a high-speed storage device. [0004] High-speed storage device of the present invention, it comprises FIFO circuit, FPGA circuit, hard disk, AVR single-chip microcomputer and USB circuit; [0005] The data signal o...
Claims
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Application Information
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