CN1303547C - Input/output card and its additional storage card and main system data transmission method - Google Patents
Input/output card and its additional storage card and main system data transmission method Download PDFInfo
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- CN1303547C CN1303547C CNB2003101023746A CN200310102374A CN1303547C CN 1303547 C CN1303547 C CN 1303547C CN B2003101023746 A CNB2003101023746 A CN B2003101023746A CN 200310102374 A CN200310102374 A CN 200310102374A CN 1303547 C CN1303547 C CN 1303547C
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- output cards
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Abstract
The present invention relates to a method for transmitting data between an input/output card together with an additional storage card thereof and a main system. The storage card is plugged in the input/output card which is plugged in a slot on the main system to increase integral mechanical connecting strength, and an input/output controller on the input/output card is used for generating bus control signals to control a change-over switch of an internal data bus for altering a mode for the input/output card and the storage card to use an input/output card data bus; accordingly, the input/output card and the storage card share all input/output card data buses or respectively use partial input/output card data buses independently to improve data transmitting efficiency.
Description
Technical field
The present invention relates to a kind of information transferring method, relate in particular to the selective information transmission method between a kind of input/output cards, storage card and main system.
Background technology
" portable information product " is as PDA, mobile computer or mobile phone etc., adopt mini memory card as the semiconductor Storage Media at present in a large number, main specification has storage cards such as CF (Compact Flash), SD (Security Digital), MMC (Multimedia Card), Smart Media and Memory Stick at present.For the main system (Host system) that expands aforementioned portable information product at I/O (I/O, input-output) application of aspect, as output, input or the wireless transmission of image archives, CF, SD and Memory Stick etc. released input/output cards (input-output card) by the dealer again.
But, along with the memory capacity of access increases gradually, input/output cards is ardent day by day to the demand of extra memory.
One of traditional settling mode is to increase extra slot on main system, and to hold storage card, its synoptic diagram as shown in Figure 1; Have two slots 101,102 on the main system 100, can insert with storage card 104 for input/output cards 103 respectively and use.Yet main system increases slot can increase volume and cost, and simultaneously, the trend toward miniaturization of portable information apparatus makes that also the quantity that reduces slot is imperative, thereby facilitates the integration of input/output cards and storage card.Another problem of many slots is, the mutual biography of data between input/output cards 103 and the storage card 104 must be through the data bus of main system 100 inside, and its transfer efficiency is not good.
Directly expanding the Combo card of the existing memory size of input/output cards, promptly is one of product of integrating input/output cards and storage card, and still, the design that integrates makes that also the capacity of internal memory is limited, can't replace more jumbo internal memory.
In order not increase extra slot, also make things convenient for memory capacity to change, Sandisk company and SocketCommunication company propose WO 02/19266A2 world patent jointly; This patent relates to a kind of non-volatile storage card (non-volatile memory card) that is connected on the main system, and the data transmission method between an external device (ED) (external device), the method is included in electrically being connected with mechanicalness between input/output cards and storage card, and counts by storage card and external device (ED) by input/output cards and reportedly to fail; Input/output cards is the wireless transmission card among the embodiment of its exposure, makes wireless transmission for the data stream between storage card and external device (ED).
The implementation that this patent is concrete sees also the synoptic diagram of Fig. 2, and storage card 202 inserts the slot 201 on the main system 200 earlier, again input/output cards 203 is connected storage card 202 tail ends with electrical, mechanicalness; So, the data on the input/output cards 203 can transfer to main system 200 via storage card 202, can reach the demand of single slot, integration input/output cards and storage card.
But, because the controller performance on the input/output cards is than the controller complexity on the storage card, under this data transmission architecture, storage card need increase extra controller function, to handle the data transmission between input and output and storage card and main system; And the storage card tail end also must have the electrical and mechanicalness binding of coupling assembling and input/output cards do, just needs the storage card of special requirement to use, and can't replace replacement with general storage card on the market.
Show with regard to usefulness,, form the data transmission bottleneck of input/output cards and storage card and main system end because the performance drop between the controller of input/output cards and storage card makes that whole data transmission efficiency is lower; And storage card can't arbitrarily be substituted, and its memory capacity can't be expanded.
In addition, the input/output cards volume is big than the storage card volume usually, and input/output cards is connected the storage card tail end, and whole mechanical link power is fragile.
Summary of the invention
Technical matters to be solved by this invention is to provide the data transmission method between a kind of input/output cards and additional memory card and main system, adopt switchable data transfer mode, go control its switch by input/output control unit, change data transfer path, and the preferable execution efficient that provides multitask to transmit, and the mechanicalness connected mode intensity that solves between existing input/output cards, storage card and main system is not good enough, storage card can not be substituted so that memory capacity can't expand, and the unfavorable problem of its data transmission effect.
To achieve these goals, the data transmission method between a kind of input/output cards of the present invention and additional memory card and main system, its characteristics are, comprise:
Inserting a storage is stuck in the input/output cards;
Connect a described input/output cards and a main system; And
By input/output control unit one of on the described input/output cards, produce bus controlling signal control one and switch switch, to switch one of described input/output cards first internal data bus or one second internal data bus, and change the data transfer path of described storage card and described main system, wherein, described storage card is during through the described first internal data bus data transmission, and described input/output cards and described storage card are shared whole data bus and the mutual data transmissions of described main system of described input/output cards; Described storage card is during through the described second internal data bus data transmission, described storage card uses the data bus and the described main system of described input/output cards partly to pass data mutually, and described input/output cards itself then uses its remaining data bus and described main system to pass data mutually.
Data transmission method between above-mentioned input/output cards and additional memory card thereof and main system, its characteristics are that described input/output cards is provided with a socket, for forming electrically and mechanical the connection with described storage card.
Data transmission method between above-mentioned input/output cards and additional memory card thereof and main system, its characteristics are that described main system is provided with a slot, for forming electrically and mechanical the connection with described input/output cards.
The invention provides a kind of syndeton between main system, input/output cards and the storage card with preferable intensity, and preferable data transmission architecture.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 connects the enforcement synoptic diagram of input/output cards and storage card respectively on main system for prior art;
Fig. 2 inserts storage card on the main system for prior art, input/output cards is connected in the enforcement synoptic diagram of storage card tail end again;
Fig. 3 is that the mechanical link between storage card provided by the present invention, input/output cards and main system concerns synoptic diagram;
Fig. 4 is a data transmission architecture synoptic diagram provided by the invention, and wherein data are transmitted through first internal data bus; And
Fig. 5 is a data transmission architecture synoptic diagram provided by the invention, and wherein data are transmitted through second internal data bus.
Embodiment
The present invention is the data transmission method between a kind of input/output cards and additional memory card and main system, sees also enforcement synoptic diagram of the present invention shown in Figure 3, and it has illustrated that main system 300, input/output cards 302 concern with the mechanical connection of storage card 304.
Utilize the socket of setting up on the input/output cards 302 303, make storage card 304 be incorporated into socket 303 after, form mechanical and electrical binding with input/output cards 302.And, its mechanical combination, mention that with prior art world patent WO 02/19266 A2 is disclosed, input/output cards is connected the mode difference of storage card tail end, terminal and the terminal chimeric practice of buckle mutually of case before this patent, whole mechanical link power is comparatively not enough, and the volume of especially general input/output cards is much bigger than storage card, the more apparent fragility of its combination.The practice of the present invention is that socket 303 is arranged to lack concavity, for concavo-convex chimeric with storage card 304, in conjunction with after storage card 304 and input/output cards 302 have preferable globality and close physical strength.In addition, because the specification of storage card 304 does not change, its end does not need as prior art connecting structure to be set yet, therefore can be for changing with the Extended RAM capacity arbitrarily.
Next, the input/output cards 302 of storage card 304 is housed, can inserts in main system 300 slots 301 of portable information product, make input/output cards 302 direct and the mechanical and electrical bindings of main system 300 formation.Thus, no matter input/output cards 302 or storage card 304, counting reportedly when defeated with main system 300, assign transmission mode by main system 300 and give input/output cards 302 controllers, select data transfer mode by the controller of input/output cards 302 again, so assign optimum transmission mode, switch the optimum data transmission mode by input/output cards 302 flexibly according to instruction again, therefore there is no the data transmission bottleneck problem of prior art via main system 300.
See also Fig. 4 and Fig. 5, be information transmission configuration diagram of the present invention, control is gone in wherein dotted line representative order and output, and solid line then is a data bus.Not not existing together of the present invention and prior art, be that input/output cards 410 is provided with first internal data bus 413, second internal data bus 414 and change-over switch 411, bus controlling signal 415 controls that this change-over switch 411 is produced by input/output control unit 412, switch at first internal data bus 413 and 414 intercropping of second internal data bus:
Through first internal data bus 413: as Fig. 4, when storage card 420 during through first internal data bus 413, promptly be connected with the data bus of main system 400 through input/output control unit 412, can make storage card 420 can with input/output cards 410, data bus without main system 400, and use inner data bus directly to pass data mutually between the two, quicken the data transmission of 420 of input/output cards 410 and storage cards.Transmission mode with main system 400 under this framework is, input/output cards 410 and storage card 420 are shared input/output cards 410 whole data bus and main system 400 mutual data transmissions.
Through second internal data bus 414: as shown in Figure 5, allow storage card 420 use input/output cards 410 data buss and main system 400 mutual biography data partly, input/output cards 410 itself then uses remaining data bus and main system 400 mutual biography data.
Compared with prior art, the invention provides switchable data transfer mode, go control its switch, change data transfer path, and the preferable execution efficient of multitask transmission is provided by input/output control unit.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (3)
1, the data transmission method between a kind of input/output cards and additional memory card thereof and main system is characterized in that, comprises:
Inserting a storage is stuck in the input/output cards;
Connect a described input/output cards and a main system; And
By input/output control unit one of on the described input/output cards, produce bus controlling signal control one and switch switch, to switch one of described input/output cards first internal data bus or one second internal data bus, and change the data transfer path of described storage card and described main system, wherein
Described storage card is during through the described first internal data bus data transmission, and described input/output cards and described storage card are shared whole data bus and the mutual data transmissions of described main system of described input/output cards; Described storage card is during through the described second internal data bus data transmission, described storage card uses the data bus and the described main system of described input/output cards partly to pass data mutually, and described input/output cards itself then uses its remaining data bus and described main system to pass data mutually.
2, the data transmission method between input/output cards according to claim 1 and additional memory card thereof and main system is characterized in that, described input/output cards is provided with a socket, for forming electrically and mechanical the connection with described storage card.
3, the data transmission method between input/output cards according to claim 1 and additional memory card thereof and main system is characterized in that, described main system is provided with a slot, for forming electrically and mechanical the connection with described input/output cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101023746A CN1303547C (en) | 2003-10-27 | 2003-10-27 | Input/output card and its additional storage card and main system data transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101023746A CN1303547C (en) | 2003-10-27 | 2003-10-27 | Input/output card and its additional storage card and main system data transmission method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1612124A CN1612124A (en) | 2005-05-04 |
| CN1303547C true CN1303547C (en) | 2007-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101023746A Expired - Fee Related CN1303547C (en) | 2003-10-27 | 2003-10-27 | Input/output card and its additional storage card and main system data transmission method |
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| CN (1) | CN1303547C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8666528B2 (en) | 2009-05-01 | 2014-03-04 | The Nielsen Company (Us), Llc | Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content |
| US8959016B2 (en) | 2002-09-27 | 2015-02-17 | The Nielsen Company (Us), Llc | Activating functions in processing devices using start codes embedded in audio |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195780Y (en) * | 1994-06-14 | 1995-04-26 | 广州吉特威电子有限公司 | Intelligent data collection card |
| CN2261647Y (en) * | 1996-07-16 | 1997-09-03 | 支超有 | Externally connecting CAN interface communication card |
| US20030046468A1 (en) * | 2001-08-30 | 2003-03-06 | Hsiang-Chan Chen | High-density system having a plurality of system units |
-
2003
- 2003-10-27 CN CNB2003101023746A patent/CN1303547C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195780Y (en) * | 1994-06-14 | 1995-04-26 | 广州吉特威电子有限公司 | Intelligent data collection card |
| CN2261647Y (en) * | 1996-07-16 | 1997-09-03 | 支超有 | Externally connecting CAN interface communication card |
| US20030046468A1 (en) * | 2001-08-30 | 2003-03-06 | Hsiang-Chan Chen | High-density system having a plurality of system units |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8959016B2 (en) | 2002-09-27 | 2015-02-17 | The Nielsen Company (Us), Llc | Activating functions in processing devices using start codes embedded in audio |
| US8666528B2 (en) | 2009-05-01 | 2014-03-04 | The Nielsen Company (Us), Llc | Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1612124A (en) | 2005-05-04 |
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Granted publication date: 20070307 Termination date: 20161027 |