阅读说明：本技术 一种基于usb转sata桥接电路的存储系统 (Storage system based on USB-SATA bridge circuit ) 是由 侯庆庆 李文学 孙碧垚 于 2021-08-10 设计创作，主要内容包括：本发明公开一种基于USB转SATA桥接电路的存储系统,属于计算机应用技术领域,包括USB转SATA桥接电路、USB3.0接口、MSATA接口、SPI Flash和MSATA电源；USB转SATA桥接电路支持USB3.0 Device,向下兼容USB2.0/USB1.1；支持SATA3.0 host接口,向下兼容SATAII/SATAI,内置5V转3.3V的LDO和5V转1.0V开关式电压转换器；SPI Flash用于存储USB转SATA桥接电路的固件程序,能够通过USB3.0接口供电,通过USB转SATA桥接电路的二次开发平台对固件进行二次开发；MSATA电源给所述MSATA接口外接的MSATA硬盘供电。(The invention discloses a storage system based on a USB-SATA bridge circuit, which belongs to the technical field of computer application and comprises a USB-SATA bridge circuit, a USB3.0 interface, an MSATA interface, an SPI Flash and an MSATA power supply; the USB-to-SATA bridge circuit supports USB3.0 devices and is downward compatible with USB2.0/USB 1.1; the SATA3.0 host interface is supported, the SATAII/SATAI is downward compatible, 5V-to-3.3V LDO and 5V-to-1.0V switch-type voltage converter are built in; the SPI Flash is used for storing a firmware program of the USB-to-SATA bridge circuit, can supply power through a USB3.0 interface, and carries out secondary development on the firmware through a secondary development platform of the USB-to-SATA bridge circuit; and the MSATA power supply supplies power to an MSATA hard disk externally connected with the MSATA interface.)

1. A storage system based on a USB-to-SATA bridge circuit is characterized by comprising a USB-to-SATA bridge circuit, a USB3.0 interface, an MSATA interface, an SPI Flash and an MSATA power supply;

the USB-to-SATA bridge circuit supports a USB3.0 Device and is downward compatible with a USB2.0/USB 1.1; the SATA3.0 host interface is supported, the SATAII/SATAI is downward compatible, 5V-to-3.3V LDO and 5V-to-1.0V switch-type voltage converter are built in;

the SPI Flash is used for storing a firmware program of the USB-to-SATA bridge circuit, can supply power through the USB3.0 interface and carries out secondary development on the firmware through a secondary development platform of the USB-to-SATA bridge circuit;

the MSATA power supply supplies power to an MSATA hard disk externally connected with the MSATA interface.

2. The storage system according to claim 1, wherein the USB to SATA bridge circuit is configured to enable an upper computer to access data of an external MSATA disk, and is downward compatible with a USB2.0/USB1.1 interface.

3. The USB to SATA bridge circuit based storage system of claim 1 wherein the storage system supports AES encryption functionality and the host computer uses Bus mount software to configure or update encryption keys through the USB3.0 interface.

4. The USB-to-SATA bridge circuit based storage system of claim 1 wherein the MSATA interface is of type AS0B226-S68N-7F, is externally connected to an MSATA hard disk supporting SATA3.0 protocol, and is downward compatible with SATAII/SATAI.

5. The USB to SATA bridge circuit based storage system of claim 1 wherein said USB3.0 interface uses a model 9PIN USB3.0 TYPE a male, said storage system capable of being powered through said USB3.0 interface.

6. The USB-to-SATA bridge circuit based storage system of claim 5 wherein the USB-to-SATA bridge circuit has 5V to 3.3V LDOs and 5V to 1.0V switch mode voltage converters built in.

7. The storage system of claim 1, wherein the storage system comprises a secondary development platform, which supports user independent development of firmware to meet different application requirements.

8. The storage system of claim 1, wherein the USB to SATA bridge circuit, the USB3.0 interface, the MSATA interface, the SPI Flash, and the MSATA power supply are all integrally mounted on a circuit board.

Technical Field

The invention relates to the technical field of computer application, in particular to a storage system based on a USB-to-SATA bridging circuit.

Background

With the development of electronic technology, various interfaces, such as USB interface and SATA interface, have appeared. The SATA interface is a solid state disk interface, and the USB interface is a common USB disk interface. For a computer system, SATA interfaces are reserved for a system CD-ROM, USB interfaces are relatively large in number, and an SATA hard disk is connected to the USB interfaces for use, so that data can be transmitted conveniently in different scenes.

Disclosure of Invention

The invention aims to provide a storage system based on a USB-to-SATA bridging circuit, which is used for realizing the transmission of data from a USB interface to a SATA interface, can realize the encryption of the transmitted data through AES encryption, provides a secondary development platform, supports the independent development of firmware by a user and meets different application requirements.

In order to solve the technical problem, the invention provides a storage system based on a USB-to-SATA bridge circuit, which comprises the USB-to-SATA bridge circuit, a USB3.0 interface, an MSATA interface, an SPI Flash and an MSATA power supply;

the USB-to-SATA bridge circuit supports a USB3.0 Device and is downward compatible with a USB2.0/USB 1.1; the SATA3.0 host interface is supported, the SATAII/SATAI is downward compatible, 5V-to-3.3V LDO and 5V-to-1.0V switch-type voltage converter are built in;

the SPI Flash is used for storing a firmware program of the USB-to-SATA bridge circuit, can supply power through the USB3.0 interface and carries out secondary development on the firmware through a secondary development platform of the USB-to-SATA bridge circuit;

the MSATA power supply supplies power to an MSATA hard disk externally connected with the MSATA interface.

Optionally, the USB3.0 interface is used for an upper computer to access data of an external MSATA disk, and is downward compatible with a USB2.0/USB1.1 interface.

Optionally, the storage system supports an AES encryption function, and the upper computer uses Bus mount software to configure or update the encryption key through a USB3.0 interface.

Optionally, the model of the MSATA interface is AS0B226-S68N-7F, and is externally connected with an MSATA hard disk supporting SATA3.0 protocol, and is downward compatible with SATAII/SATAI.

Optionally, the USB3.0 interface uses the model to be the public seat of 9PIN USB3.0 TYPE a, can pass through the USB3.0 interface to the storage system power supply.

Optionally, the USB to SATA bridge circuit has a 5V to 3.3V LDO and a 5V to 1.0V switching voltage converter built therein.

Optionally, the storage system includes a secondary development platform, which supports a user to autonomously develop the firmware, and meets different application requirements.

Optionally, the USB to SATA bridge circuit, the USB3.0 interface, the MSATA interface, the SPI Flash, and the MSATA power supply are integrally mounted on a circuit board.

The storage system based on the USB-to-SATA bridge circuit comprises the USB-to-SATA bridge circuit, a USB3.0 interface, an MSATA interface, SPI Flash and an MSATA power supply; the USB-to-SATA bridge circuit supports USB3.0 devices and is downward compatible with USB2.0/USB 1.1; the SATA3.0 host interface is supported, the SATAII/SATAI is downward compatible, 5V-to-3.3V LDO and 5V-to-1.0V switch-type voltage converter are built in; the SPI Flash is used for storing a firmware program of the USB-to-SATA bridge circuit, can supply power through a USB3.0 interface, and carries out secondary development on the firmware through a secondary development platform of the USB-to-SATA bridge circuit; and the MSATA power supply supplies power to an MSATA hard disk externally connected with the MSATA interface.

The invention has the following beneficial effects:

(1) the protocol conversion from the USB protocol to the SATA is completed through the USB-SATA bridging circuit, and the data transmission is carried out on the MSATA hard disk through the USB interface; the storage system supports an AES encryption function, the transmitted data are encrypted, and the upper computer can use Bus Hound software to configure or update an encryption key through a USB3.0 interface;

(2) the storage system comprises a secondary development platform, supports a user to independently develop firmware, and meets different application requirements.

Drawings

FIG. 1 is a block diagram of a storage system based on a USB-to-SATA bridge circuit according to the present invention;

FIG. 2 is a schematic diagram of the USB3.0 interface portion;

FIG. 3 is a schematic diagram of the MSATA interface portion;

FIG. 4 is a schematic diagram of the power supply portion of the MSATA;

FIG. 5 is a schematic diagram of a GPIO interface portion;

FIG. 6 is a schematic diagram of a USB to SATA bridge circuit portion;

FIG. 7 is a schematic diagram of the SPI Flash section.

Detailed Description

The following describes a storage system based on a USB to SATA bridge circuit in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Example one

The invention provides a storage system based on a USB-to-SATA bridge circuit, which is structurally shown in figure 1 and comprises the USB-to-SATA bridge circuit, a USB3.0 interface, an MSATA interface, an SPI Flash and an MSATA power supply, wherein all modules are integrated on a circuit board.

The USB-to-SATA bridge circuit outputs corresponding voltage to the USB-to-SATA bridge circuit for power supply through the built-in 5V to 3.3V LDO and the 5V to 1.0V switch-type voltage converter. The MSATA power supply uses a power supply chip with the model of MIC69153YME, and outputs direct current of 3.3V for the SPI Flash and the MSATA interface to use; the SPI Flash is PM25LD010 in model number and is used for programming a starting program of the USB-to-SATA bridge circuit; the USB3.0 interface uses a 9PIN USB3.0 TYPE A male seat; the MSATA interface is an AS0B226-S68N-7F connector.

As shown in fig. 2, which is a schematic diagram of a USB3.0 interface, the USB3.0 interface uses a 9PIN USB3.0 TYPE a male socket, and supports the USB3.0 standard, and SSTXP +, SSTXM-, SSRXP +, and SSRXM-are interconnected with corresponding PINs of the USB to SATA bridge circuit through 0.1uF capacitor; meanwhile, the USB2.0\ USB1.1 standard is supported, and DP + and DM-are directly interconnected with corresponding pins of the USB-to-SATA bridging circuit; the USB3.0 interface provides a direct current 5V Vbus _ IN power supply for the storage system to use, and an LED lamp is used as a state indication of the direct current 5V power supply. AS shown in fig. 3, which is a schematic diagram of an MSATA interface, the MSATA interface is an AS0B226-S68N-7F connector, the + a/-a and the + B/-B are interconnected with corresponding pins of the USB to SATA bridge circuit after passing through a 0.1uF capacitor, and the MSATA interface provides 3.3V dc power through an MIC69153ym power chip.

As shown IN the schematic diagram of the MSATA power supply shown IN fig. 4, Vbus _ IN provided by the USB3.0 interface is converted into SVCC33 of 3.3V by the MIC69153ym power supply chip, so as to supply power to the MSATA interface and SPI Flash.

As shown in fig. 5, which is a schematic diagram of a GPIO interface, the programming can control the output of GPIO through the secondary development platform.

As shown in fig. 6, which is a schematic diagram of a USB to SATA bridge circuit, U2 is a USB to SATA bridge circuit, which is externally connected to a 25MHz passive crystal oscillator, GPIO2 is multiplexed as an SCE pin of an SPI, GPIO15 is multiplexed as an SCK pin of the SPI, GPIO16 is multiplexed as an SDI pin of the SPI, GPIO13 is multiplexed as an SDO pin of the SPI, and the SPI pin is interconnected to the SPI Flash; as shown in fig. 7, the SPI Flash is a schematic diagram, and the model of the SPI Flash is PM25LD 010; the USB-to-SATA bridge circuit outputs VDD of DC 1.0V and VCC33 of DC 3.3V for use by the USB-to-SATA bridge circuit.

The invention utilizes a storage system built by a USB-SATA bridge circuit to complete protocol conversion from USB to SATA, and carries out data transmission on an MSATA hard disk externally hung on an MSATA interface through a USB3.0 interface; the storage system supports the AES encryption function, encrypts the transmitted data, and can configure or update the encryption key through a USB3.0 interface by using Bus Hound software. The storage system comprises a secondary development platform, supports a user to independently develop firmware, and meets different application requirements.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.