CN104598419A - Memory-chip data acquiring device for AX-flash mobile phones - Google Patents
Memory-chip data acquiring device for AX-flash mobile phones Download PDFInfo
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- CN104598419A CN104598419A CN201510079466.XA CN201510079466A CN104598419A CN 104598419 A CN104598419 A CN 104598419A CN 201510079466 A CN201510079466 A CN 201510079466A CN 104598419 A CN104598419 A CN 104598419A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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Abstract
The invention discloses a memory-chip data acquiring device for AX-flash mobile phones. The memory-chip data acquiring device is characterized by comprising an eMMC (embedded multi- media card) chip clamping holder, an eMCP (embedded master control program) chip clamping holder, a memory-controller chip and a level selection switch, wherein the eMMC chip clamping holder and the eMCP chip clamping holder respectively establish signal connection with the memory-controller chip through two independent data buses, the memory-controller chip is provided with a USB (universal serial bus) main machine interface, and the level selection switch is connected with the eMMC chip clamping holder and the eMCP chip clamping holder. The memory-chip data acquiring device disclosed by the invention has the benefits that when the memory-chip data acquiring device disclosed by the invention is used, a memory chip in a mobile phone needs to be separated from a main board, and therefore, the use of the memory chip is not influenced by the damages of a display screen, a cell and a communication interface of the mobile phone; the device disclosed by the invention is provided with the eMMC chip clamping holder and the eMCP chip clamping holder in two different interface manners, and therefore, the device can satisfy the reading requirements for more than 99% of memory chips on the current mobile phone market; the device disclosed by the invention is provided with two independent data buses for supporting the simultaneous data analysis of memory chips, of two different specifications, of the mobile phone, so that the data reading efficiency is high.
Description
Technical field
The present invention relates to a kind of data acquisition facility, be specifically related to a kind of mobile phone storage chip data acquisition facility.
Background technology
At first, Mobile Phone Forensics is only recover deleted data as much as possible on extraction legacy data basis.Along with the fast development of mobile phone technique itself and the height of smart mobile phone are popularized, Mobile Phone Forensics technology is also constantly segmented, and according to the different abilities of forensic tools, and be different from traditional computer forensic technologies, Mobile Phone Forensics can be divided into following Three Estate:
The first order: manual extraction.
Namely directly on mobile phone, check related data, and use the reproduction equipment taking of evidence such as camera.
Prerequisite is that mobile phone does not damage.
The second level: extracted.
Namely between sample mobile phone with inspection workstation, set up effective connection by wired or wireless mode, the logical data in mobile phone is extracted in workstation and analyzes.
Prerequisite is that mobile phone does not damage.
The third level: physics extracts.
Be actually a kind of method of sexadecimal mirror image.Usually, for non intelligent machine, the data in all storage chips of acquisition mobile phone that sexadecimal mirror image can be complete, as long as in unlapped situation, the data of deletion can be extracted.
Prerequisite is that mobile phone does not damage.
As can be seen here, existing evidence taking equipment can run into following problem in actual use:
(1) when mobile telephone display, battery or communication interface damage, evidence taking equipment cannot be connected with mobile phone;
(2) must be that the mobile phone model that evidence taking equipment is supported could use this evidence taking equipment, limitation be too large.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of mobile phone storage chip data acquisition facility, the use of this equipment is not by the impact that mobile telephone display, battery, communication interface damage, not only simple, convenient, and the reading requirement of 99% storage chip on current phone market can be met.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of mobile phone storage chip data acquisition facility, is characterized in that, comprising: eMMC chip deck, eMCP chip deck, memory controller chip and lever selection switch,
Aforementioned eMMC chip deck and eMCP chip deck respectively by two independently data bus set up signal with aforementioned memory controller chip and be connected;
Aforementioned memory controller chip has USB host interface, and sets up signal by this USB host interface and PC and be connected;
Aforementioned lever selection switch is connected with eMCP chip deck with aforementioned eMMC chip deck.
Aforesaid mobile phone storage chip data acquisition facility, is characterized in that, aforementioned memory controller chip adopts the UT311 series storage controller chip of USBest Company.
Aforesaid mobile phone storage chip data acquisition facility, is characterized in that, also comprise: deck locking testing agency,
Aforementioned deck locking testing agency is made up of position transducer and level signal line, and eMMC chip deck is close to by aforementioned location sensor and eMCP chip deck is installed, and aforementioned level signal line is connected in memory controller chip.
Usefulness of the present invention is:
(1) when using storage chip data acquisition facility of the present invention, need the storage chip in mobile phone and mainboard to depart from, so the use of equipment of the present invention is not by the impact that mobile telephone display, battery, communication interface damage;
(2) storage chip data acquisition facility of the present invention has the chip deck of eMMC and eMCP two kinds of distinct interface forms simultaneously, can meet the reading requirement of 99% storage chip on current phone market;
(3) storage chip data acquisition facility of the present invention has two independently data buss, supports to carry out data analysis to the mobile phone storage chip of two kinds of different sizes simultaneously, and data reading performance using redundancy is higher;
(4) simple to operate, easy to use.
Accompanying drawing explanation
Fig. 1 is the theory of constitution figure of mobile phone storage chip data acquisition facility of the present invention;
Fig. 2 is the structural representation of a specific embodiment of chip deck.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
See figures.1.and.2, mobile phone storage chip data acquisition facility of the present invention comprises: eMMC chip deck, eMCP chip deck, memory controller chip and lever selection switch.Detailed introduction is done to each ingredient and the annexation between them below.
Main flow mobile phone storage chip on market has two kinds of interface shape: eMMC and eMCP.EMMC chip has again 4 kinds of different physical specifications, to the card frame that should have 4 sections of different sizes according to model difference.EMCP chip has again 2 kinds of different physical specifications, to the card frame that should have 2 sections of different sizes according to model difference.In the present invention, mobile phone storage chip data acquisition facility has eMMC chip deck and eMCP chip deck two kinds of chip decks simultaneously, eMMC chip deck is equipped with the card frame of 4 sections of different sizes, eMCP chip deck is equipped with the card frame of 2 sections of different sizes, user is when using equipment of the present invention, specifications and models according to mobile phone storage chip to be measured select corresponding deck and card frame, so equipment of the present invention can meet the reading requirement of 99% storage chip on current phone market.
Memory controller chip adopts the UT311 series storage controller chip of USBest Company.Memory controller chip has USB host interface, and whole equipment is set up signal by this USB host interface and PC and is connected, and then the data in mobile phone storage chip is carried out reading in the main flow PC operating system that Windows or Mac phase is compatible and access.
USB host interface adopts the universal design of USB 2.0, adopt the form of the built-in driving of Windows/Mac Mainstream Platform, can on any main flow PC plug and play, without the need to externally fed, driving without the need to installing, without the need to special software support, really accomplishing to facilitate easy-to-use.
Data bus is based on MultiMediaCard
tM(MMC) card spec.Rev.4.2 (8-bit) and SecureDigital
tM(SD) card Rev.2.0 standard design; Frequency of operation: 48MHz; Compatible high-speed 52MHz MMCPlus simultaneously
tMand high-speed50MHz HS-SD, high capacity HC-SD (SDHC) specification (HS-MMC).
EMMC chip deck is set up signal by a data bus with memory controller chip and is connected, and eMCP chip deck is set up signal by an other data bus with memory controller chip and is connected.The back side of eMMC chip deck and eMCP chip deck is all provided with signalling contact, and the signalling contact that one end of data bus is corresponding on chip deck connects, the other end is connected with memory controller chip.Because equipment of the present invention has two independently data buss, support to carry out data analysis to the mobile phone storage chip of two kinds of different sizes, so equipment of the present invention has higher data reading performance using redundancy simultaneously.
Lever selection switch is connected with eMCP chip deck with eMMC chip deck.Main flow mobile phone storage chip on market has two kinds of interface voltage specification: 3.3V and 1.8V, selecting properly interface voltage is the key successfully reading mobile phone storage chip, user is when using equipment of the present invention, first select corresponding interface supply voltage according to the specifications and models of mobile phone storage chip to be measured by lever selection switch, and then it is to be measured chip to be put into correct mobile phone storage chip deck.Two groups independently interface level selector switch ensure that equipment of the present invention has maximum compatibility.
As the preferred scheme of one, mobile phone storage chip data acquisition facility of the present invention also comprises: deck locking testing agency.Deck locking testing agency is for avoiding the possibility because user misoperation causes chip to burn.Introduce the composition of deck locking testing agency below in detail.
Deck locking testing agency is made up of position transducer and level signal line, and wherein, eMMC chip deck is close to by position transducer and eMCP chip deck is installed, and level signal line is then connected in memory controller chip.When mobile phone storage chip to be measured is correctly put into eMMC chip deck or eMCP chip deck and is correctly locked, position transducer will will lock Signal transmissions to memory controller chip by level signal line, and the automatic bootrom of notice memory controller chip reads flow process.On the contrary, if user in use, relieve the locking of chip deck opponent movement sheet, so unlocking signal will be transferred to memory controller chip by level signal line by position transducer, and notice memory controller chip automatically stops chip and reads flow process.
In addition, mobile phone storage chip data acquisition facility of the present invention also has the ultimate system such as working station indicator, main power switch component parts, they are the running statuses for ensureing and indicate equipment of the present invention, are techniques well known, therefore repeat no more.
Mobile phone storage chip data acquisition facility of the present invention, its using method is as follows:
First, mobile phone storage chip to be measured is planted tin to get off.
Then, corresponding interface supply voltage is selected according to the specifications and models of chip by lever selection switch.
Next, chip put into correct chip deck and lock.
Finally, by USB host interface, equipment and PC are set up signal and be connected, read by PC and access the data in mobile phone storage chip.
As can be seen here, when using storage chip data acquisition facility of the present invention, need the storage chip in mobile phone and mainboard to depart from, so the use of equipment of the present invention is not by the impact that mobile telephone display, battery, communication interface damage.
Meanwhile, equipment of the present invention also has advantage simple to operate, easy to use.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (3)
1. a mobile phone storage chip data acquisition facility, is characterized in that, comprising: eMMC chip deck, eMCP chip deck, memory controller chip and lever selection switch,
Described eMMC chip deck and eMCP chip deck respectively by two independently data bus set up signal with described memory controller chip and be connected;
Described memory controller chip has USB host interface, and sets up signal by this USB host interface and PC and be connected;
Described lever selection switch is connected with eMCP chip deck with described eMMC chip deck.
2. mobile phone storage chip data acquisition facility according to claim 1, is characterized in that, described memory controller chip adopts the UT311 series storage controller chip of USBest Company.
3. mobile phone storage chip data acquisition facility according to claim 1 and 2, is characterized in that, also comprise: deck locking testing agency,
Described deck locking testing agency is made up of position transducer and level signal line, and eMMC chip deck is close to by described position transducer and eMCP chip deck is installed, and described level signal line is connected in memory controller chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079466.XA CN104598419A (en) | 2015-02-13 | 2015-02-13 | Memory-chip data acquiring device for AX-flash mobile phones |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079466.XA CN104598419A (en) | 2015-02-13 | 2015-02-13 | Memory-chip data acquiring device for AX-flash mobile phones |
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| CN201510079466.XA Pending CN104598419A (en) | 2015-02-13 | 2015-02-13 | Memory-chip data acquiring device for AX-flash mobile phones |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159613A (en) * | 2015-09-08 | 2015-12-16 | 福州瑞芯微电子股份有限公司 | Emmc control system and access method of emmc control system |
| CN105183395A (en) * | 2015-09-18 | 2015-12-23 | 四川效率源信息安全技术股份有限公司 | Data extraction method for mobile phone storage chip |
| CN108573720A (en) * | 2018-03-12 | 2018-09-25 | 深圳市江波龙电子有限公司 | A kind of LPDDR chips and compatible design circuit board |
| CN108595991A (en) * | 2018-04-12 | 2018-09-28 | 南宁磁动电子科技有限公司 | A kind of reading equipment of eMMC chip datas |
| CN108959921A (en) * | 2018-05-30 | 2018-12-07 | 盘石软件（上海）有限公司 | A kind of malware analysis method based on intelligent terminal chip |
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| CN108595991A (en) * | 2018-04-12 | 2018-09-28 | 南宁磁动电子科技有限公司 | A kind of reading equipment of eMMC chip datas |
| CN108959921A (en) * | 2018-05-30 | 2018-12-07 | 盘石软件（上海）有限公司 | A kind of malware analysis method based on intelligent terminal chip |
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Application publication date: 20150506 |
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