CN1811797A - Memory card capable of energizing and cancelling access content protection function - Google Patents
Memory card capable of energizing and cancelling access content protection function Download PDFInfo
- Publication number
- CN1811797A CN1811797A CN 200510006809 CN200510006809A CN1811797A CN 1811797 A CN1811797 A CN 1811797A CN 200510006809 CN200510006809 CN 200510006809 CN 200510006809 A CN200510006809 A CN 200510006809A CN 1811797 A CN1811797 A CN 1811797A
- Authority
- CN
- China
- Prior art keywords
- access
- access content
- activation
- flash memory
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Storage Device Security (AREA)
Abstract
Present invention refers to a memory card having CPRM function. It contains plurality of connecting pins, flash memory chip, switching connecting pin, and a controller, wherein plurality of connecting pins located card front end, controller having temporary register electrically connected to switching connecting pin and flash memory chip for accessing documentation in flash memory chip, switching connecting pin located card for receiving a switching signal in order to send to controller so as to access content protecting (CPRM) function, making outside accessing documentation in flash memory chip in CPRM mode through controller, otherwise canceling accessing content protecting CPRM function, making outside accessing documentation in flash memory chip in ordinary mode through controller.
Description
Technical field
The invention relates to a kind of storage card, but refer to the storage card of a kind of activation and cancellation access content protection (CPRM) function especially.
Background technology
Traditionally, very easy for the access of its data for general storage card, only need there be corresponding Card Reader mechanism promptly to get for it, thus, no matter for being to store card loss or stolen, then inner confidentiality data has the danger that leaks easily easily.
Edge is because of in this; a kind of content protecting of proposition (Content Protection for RecordableMedia is arranged then; CPRM) specification stores the content of card with protection; so that visual user's needs and set its personalized privacy requirements; thus; its inner information will be able to protected; even also will not worry that its inner confidentiality data has the possibility that leaks when losing this storage card; yet; the content that stores card is protected the problem that may cause other also, for example in the application that needs data to share, just can be caused the inconvenience in the use.
Summary of the invention
But the object of the invention is for providing the storage card of a kind of activation and cancellation access content protection (CPRM) function, and it comprises: a card body, most pins, a fast flash memory wafer and controllers.Wherein, most pins are arranged at card body front end; One fast flash memory wafer is mounted on card body inside; An and controller; be to be electrically connected to most pins; and fast flash memory wafer; comprise at least one working storage in its middle controller; and be installed with a preset value in the working storage; with activation or cancellation fast flash memory wafer CPRM function; wherein; when activation access content protection (CPRM) function; outside come data in this fast flash memory wafer of access in the mode of access content protection (CPRM), otherwise then the outside is to come data in the access flash reservoir wafer via controller in the mode of general access via this controller.
By being compared, make the outside be carried out access with the data that determines whether open CPRM information data area by numerical value default in the above-mentioned working storage and the outside numerical value that is imported into.
But the present invention is the storage card of a kind of activation and cancellation access content protection (CPRM) function, comprising: a card body, most pins, a fast flash memory wafer, all changing-over pin and controllers.Wherein, most pins are the front ends that are arranged at the card body; The fast flash memory wafer is to be mounted on card body inside; Controller is to be electrically connected to the switching pin; and fast flash memory wafer; and see through to switch pin and read switching signal; with when switching signal is a predetermined level; activation access content protection (CPRM) function; make and outsidely to come data in this fast flash memory wafer of access in the mode of access content protection (CPRM) via this controller; otherwise; the function of cancellation access content protection (CPRM) makes and outsidely comes data in this fast flash memory wafer of access via this controller in the mode of general access.
About the present invention is one to have the storage card of (CPRM) function, by a design thus, but will make card activation and cancellation access content protection (CPRM) function, makes the data in the card be obtained to protect by this, also can use card easily.
But the storage card of activation of the present invention and cancellation access content protection (CPRM) function; fast flash memory wafer wherein can comprise a general information data area; and can provide the function of general access; and also can in controller, comprise at least one working storage, so can by by temporary information whether to determine activation CPRM function.
Description of drawings
Fig. 1 is the storage card cut-away view of the present invention's first preferred embodiment;
Fig. 2 is the storage card cut-away view of the present invention's second preferred embodiment;
Fig. 3 is the system state diagram of the present invention's the 3rd preferred embodiment;
Fig. 4 is the system state diagram of the present invention's the 4th preferred embodiment;
Fig. 5 is the system state diagram of the present invention's the 5th preferred embodiment.
Embodiment
Because the storage card of activation and cancellation access content protection (CPRM) function can be distinguished into the mode of software protection and hardware protection again; therefore; for more understanding technology contents of the present invention, be described below with the mode of software protection and the mode of hardware protection respectively especially exemplified by following five preferred embodiment.
See also the system state diagram of Fig. 1 for the present invention's first preferred embodiment; but wherein show the storage card 1 of a kind of activation and cancellation access content protection (CPRM) function, comprise a card body 1, most pins 2, a fast flash memory wafer 5 and controllers 4.Wherein, most pins 2 are the front end that is arranged at card body 1; And fast flash memory wafer 5 is to be mounted on card body 1 inside; And controller 4; be to be electrically connected to most pins 2; and fast flash memory wafer 5; comprise at least one working storage 41 in its middle controller 4; and working storage 41 is installed with a preset value; with activation or cancel this fast flash memory wafer CPRM function; wherein; when activation access content protection (CPRM) function; the outside is that the mode that is able to access content protection (CPRM) via controller 4 is come the data in the access flash reservoir wafer 5, otherwise then the outside is to come data in this fast flash memory wafer 5 of access via controller 4 in the mode of general access.
See also Fig. 2 and block 1 internal state figure for the storage of the present invention's second preferred embodiment; its primary structure is all identical with above-mentioned first preferred embodiment; only difference is that fast flash memory wafer 5 can comprise a general information data area 51; and access content protection (CPRM) information data area 52; thus; when activation access content protection (CPRM) function; the outside data that needs to come via controller access access content protection (CPRM) information data area 52 in the mode of access content protection (CPRM); and when the cancellation access content was protected the function of (CPRM), the outside was the data of coming this physical data district 51 of access in the mode of general access via controller 4.
See also Fig. 3 and block 1 internal state figure for the storage of the present invention's the 3rd preferred embodiment; its primary structure is all identical with above-mentioned first preferred embodiment; only difference is aforementioned storage card 1; can comprise that more switches a pin 3; and switch pin 3 is to be mounted on the card body 1; and be electrically connected to controller 4; switch signal to receive one; and judge that after receiving switching signal its signal content is to determine that whether the data of open access content protecting (CPRM) information data area is carried out access; simultaneously; storing card 1 is to be inserted in the host side slot 9; host side slot 9 has most contact terminals 92 corresponding to these pins; reach a pattern control terminal 91 corresponding to this switching pin 3, protect (CPRM) function to come activation and cancellation access content by the switching signal of setting on the switching pin through pattern control terminal 91 by host side 9.
See also the storage card internal state figure of Fig. 4 for the present invention's the 4th preferred embodiment; but wherein show the storage card 1 of a kind of activation and cancellation access content protection (CPRM) function, comprise a card body 1, most pins 2, a fast flash memory wafer 5, all changing-over pin 3 and controllers 4.Wherein, pin 2 is the front ends that are arranged at card body 1, with the transmission bit of giving information, control bit, clock pulse bit and power lead.
Aforementioned fast flash memory wafer 5 is to be mounted on card body 1 inside, and is electrically connected to controller 4, and fast flash memory wafer 5 is by carrying out access with most pins 2 with outside data by the control of controller 4.
As shown in Figure 4; aforementioned storage card is in order to be inserted in the host side slot 9; host side slot 9 is except having most contact terminals 92 corresponding to pin 2; other has a pattern control terminal 91 corresponding to this switching pin 3; therefore; when the storage card is inserted in host side slot 9; on switching pin 3, read the switching signal (high levels or low level) that this has been set by seeing through pattern control terminal 91 by host side 9; the controller 4 of aforementioned storage card sees through switching pin 3 and reads switching signal; when when switching signal being a predetermined level (for example high levels); activation access content protection (CPRM) function; make and outsidely to come data in this fast flash memory wafer 5 of access in the mode of access content protection (CPRM) via this controller 4; otherwise; the function of cancellation access content protection (CPRM) is to allow outsidely to come data in this fast flash memory wafer 5 of access via this controller 4 in the mode of general access.
Fig. 5 is the storage card internal state figure of the present invention's the 5th preferred embodiment; its primary structure is all identical with above-mentioned the 4th preferred embodiment; only difference is that fast flash memory wafer 5 can comprise a general information data area 51; and access content protection (CPRM) information data area 52; thus; when activation access content protection (CPRM) function; the outside data that needs to come via controller access access content protection (CPRM) information data area 52 in the mode of access content protection (CPRM); and when the cancellation access content was protected the function of (CPRM), the outside was the data of coming this physical data district 51 of access in the mode of general access via controller 4.
Fig. 3 is the storage card internal state figure of the present invention's the 6th preferred embodiment, its primary structure is all identical with above-mentioned the 4th preferred embodiment, only difference is can comprise in the controller 4 at least one working storage 41, aforementioned working storage 41 can be in order to store by switching the switching signal that pin 3 is read, whether determine activation CPRM function for controller 4, it is a preset value that this working storage 41 also can set firmly on demand, with activation or cancellation CPRM function.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (9)
1. but the storage card of activation and cancellation access content defencive function is characterized in that, comprising:
One card body;
Most pins are arranged at the front end of this card body;
One fast flash memory wafer is to be mounted on this card body inside; And
One controller; be to be electrically connected to this majority pin; and this fast flash memory wafer; wherein comprise at least one working storage in this controller; and be installed with a preset value in this working storage; with activation or cancel this fast flash memory wafer CPRM function; wherein; when activation access content defencive function; the outside is to come data in this fast flash memory wafer of access via this controller in the mode of access content protection, otherwise then the outside is to come data in this fast flash memory wafer of access via this controller in the mode of general access.
2. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function; it is characterized in that; described this fast flash memory wafer comprises a general information data area, reaches access content protection information data area; with when the activation access content defencive function; outside mode with the access content protection is come the data of this access content protection information data area of access; and when cancelling the function of access content protection, the outside is the data of coming this physical data district of access in the mode of general access.
3. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function; it is characterized in that; more comprise all changing-over pin; this switching pin is to be mounted on this card body; and be electrically connected to this controller; switch signal to receive one, and judge that after receiving this switching signal its signal content is to determine that whether the data of open access content protecting information data area is carried out access.
4. but the storage card of activation as claimed in claim 3 and cancellation access content defencive function; it is characterized in that; this storage card is in order to be inserted in the host side slot; the host side slot has corresponding to the individual contact terminals of the majority of this pin, reaches a pattern control terminal corresponding to this switching pin, to come activation and to cancel the access content defencive function by the switching signal of being set on the switching pin through the pattern control terminal by host side.
5. but the storage card of activation and cancellation access content defencive function is characterized in that, comprising:
One card body;
Most pins are arranged at the front end of this card body;
One fast flash memory wafer is to be mounted on this card body inside;
All changing-over pin are to be mounted on this card body, switch signal to receive one;
And
One controller; be to be electrically connected to this switching pin; and this fast flash memory wafer; and read this switching signal via this switching pin, and with when switching signal and be a predetermined level, activation access content defencive function; make the outside mode of protecting with access content via this controller come the data in this fast flash memory wafer of access; otherwise the function of cancellation access content protection makes and outsidely comes data in this fast flash memory wafer of access via this controller in the mode of general access.
6. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function; it is characterized in that; described this fast flash memory wafer comprises a general information data area, reaches access content protection information data area; with when the activation access content defencive function; outside mode with the access content protection is come the data of this access content protection information data area of access; and when cancelling the function of access content protection, the outside is the data of coming this physical data district of access in the mode of general access.
7. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function is characterized in that, more comprises at least one working storage in described this controller, and it is in order to store by switching the switching signal that pin read.
8. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function is characterized in that more comprise at least one working storage in described this controller, this working storage is installed with a preset value, with activation or cancellation CPRM function.
9. but the storage card of activation as claimed in claim 1 and cancellation access content defencive function; it is characterized in that; described this storage card is in order to be inserted in the host side slot; the host side slot has corresponding to the individual contact terminals of the majority of this pin, reaches a pattern control terminal corresponding to this switching pin, to come activation and to cancel the access content defencive function by the switching signal of being set on the switching pin through the pattern control terminal by host side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510006809 CN1811797A (en) | 2005-01-28 | 2005-01-28 | Memory card capable of energizing and cancelling access content protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510006809 CN1811797A (en) | 2005-01-28 | 2005-01-28 | Memory card capable of energizing and cancelling access content protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1811797A true CN1811797A (en) | 2006-08-02 |
Family
ID=36844708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510006809 Pending CN1811797A (en) | 2005-01-28 | 2005-01-28 | Memory card capable of energizing and cancelling access content protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1811797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315674B (en) * | 2007-05-31 | 2010-11-03 | 深圳市江波龙电子有限公司 | Method for protecting and reading issued data of memory card |
-
2005
- 2005-01-28 CN CN 200510006809 patent/CN1811797A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315674B (en) * | 2007-05-31 | 2010-11-03 | 深圳市江波龙电子有限公司 | Method for protecting and reading issued data of memory card |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100597734B1 (en) | Memorydrive and method of controlling the same | |
| US20090240885A1 (en) | Memory card complying with a plurality of standards | |
| CN101051284A (en) | Secure digital storage device and associated controller | |
| CN1979686A (en) | Safety detecting method for system integrated chip with built-in non-volatile memory | |
| US20130221100A1 (en) | Adapter | |
| WO2003001348A3 (en) | Control unit | |
| EP0991012A4 (en) | Ic card | |
| JPH08305814A (en) | Pc card | |
| CN1811797A (en) | Memory card capable of energizing and cancelling access content protection function | |
| JP3305351B2 (en) | Apparatus for application processing of control device for automobile | |
| CN100468574C (en) | Non-volatile semiconductor storage device | |
| US7539807B2 (en) | Method, apparatus and system for operating an expansion card according to a signaling voltage | |
| US20080065789A1 (en) | Multi-purpose IO system | |
| AU2003278528A1 (en) | Circuit arrangement with non-volatile memory module and method for registering light-attacks on the non-volatile memory module | |
| EP1909514A3 (en) | Mobile communication terminal and terminal control method | |
| ES2420961T3 (en) | Data memory device with auxiliary function | |
| EP0357278A2 (en) | Versatile control system utilizing a microcontroller | |
| US5592650A (en) | Computer apparatus and method for replacing programs between memories by employing protection mechanism with write enable generation scheme | |
| KR101432398B1 (en) | Method for announcing a memory configuration | |
| JPH06337819A (en) | Memory card | |
| CN116266162A (en) | Cluster type storage system | |
| CN217955092U (en) | Boot file loading device and electronic equipment | |
| RU2285953C1 (en) | Code device | |
| JP3109346U (en) | Dual interface plug memory card | |
| KR200375509Y1 (en) | Dual-interface memory card with a signal isolating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |