CN209044660U - A kind of multimedia storage card and mobile electronic device - Google Patents
A kind of multimedia storage card and mobile electronic device Download PDFInfo
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- CN209044660U CN209044660U CN201821504589.9U CN201821504589U CN209044660U CN 209044660 U CN209044660 U CN 209044660U CN 201821504589 U CN201821504589 U CN 201821504589U CN 209044660 U CN209044660 U CN 209044660U
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Abstract
This application discloses a kind of multimedia storage card and mobile electronic device, which includes substrate and the main control chip being set on substrate, storage chip, interface contact, is covered with encapsulated layer on main control chip and storage chip；Wherein, interface contact includes a sub- contact of power supply, for receiving externally input first voltage, a transforming circuit is additionally provided on substrate, coupling interface contact, main control chip and storage chip, for the first voltage of input to be converted to second voltage, to provide first voltage and second voltage two kinds of power supplys for main control chip and storage chip.By the above-mentioned means, on the one hand reducing the area of multimedia storage card, the operating mode of multimedia storage card is on the other hand increased.
Description
Technical field
This application involves technical field of storage card, more particularly to a kind of multimedia storage card and mobile electronic device.
Background technique
SIM card is (Subscriber Identification Module), also referred to as subscriber identification card, intelligence
Card, GSM digital mobile telephone must load onto this card and can use.SD storage card is a kind of based on semiconductor fast-flash memory device
Memory device of new generation, since it is small in size, data transmission bauds is fast, the excellent characteristic such as hot-swappable, by widely in just
It is used in portable device.
With the development of mobile terminal, two card slots are set typically now in a Kato, SIM card can be installed simultaneously
And SD card.
Utility model content
The technical solution that the application uses is: providing a kind of multimedia storage card, which includes base
Plate and the main control chip being set on substrate, storage chip, interface contact are covered with encapsulation on main control chip and storage chip
Layer；Wherein, interface contact includes that a sub- contact of power supply is additionally provided on substrate for receiving externally input first voltage
One transforming circuit, coupling interface contact, main control chip and storage chip, for the first voltage of input to be converted to the second electricity
Pressure, to provide first voltage and second voltage two kinds of power supplys for main control chip and storage chip.
Another technical solution that the application uses is: providing mobile electronic device, which includes setting
In sim card slot and memory card slot on same Kato, sim card slot is identical with the shape of memory card slot, wherein memory card slot is used for
Accommodate multimedia storage card as above.
Multimedia storage card provided by the present application include substrate and the main control chip being set on substrate, storage chip,
Encapsulated layer is covered on interface contact, main control chip and storage chip；Wherein, interface contact includes a sub- contact of power supply, is used
In receiving externally input first voltage, it is additionally provided with a transforming circuit on substrate, coupling interface contact, main control chip and deposits
Chip is stored up, for the first voltage of input to be converted to second voltage, to provide first voltage for main control chip and storage chip
With two kinds of power supplys of second voltage.By the above-mentioned means, not increasing additional under the premise of guaranteeing multimedia storage card small size
Power supply contact forms more power supplys using transforming circuit, protects only using the power supply of the single voltage outside a power supply contact reception
On the one hand the multi-mode working environment for having demonstrate,proved multimedia storage card reduces the area of multimedia storage card, on the other hand increases
The operating mode of multimedia storage card.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of multimedia storage card first embodiment provided by the present application；
Fig. 2 is the electrical block diagram of multimedia storage card first embodiment provided by the present application；
Fig. 3 is another electrical block diagram of multimedia storage card first embodiment provided by the present application；
Fig. 4 is the structural schematic diagram of multimedia storage card second embodiment provided by the present application；
Fig. 5 is the structural schematic diagram of multimedia storage card 3rd embodiment provided by the present application；
Fig. 6 is the structural schematic diagram of one embodiment of mobile electronic device provided by the present application；
Fig. 7 is the structural schematic diagram of Kato in one embodiment of mobile electronic device provided by the present application.
Specific embodiment
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of multimedia storage card first embodiment provided by the present application, the multimedia
Storage card includes substrate 11 and the main control chip being set on substrate 11 12, storage chip 13, interface contact 14.
Optionally, passive device 15 can also be set on substrate 11, wherein passive device 15 may include resistance, capacitor,
The common circuit components such as inductance.
In the present embodiment, encapsulated layer 16 is covered on main control chip 12, storage chip 13 and passive device 15.At this
In embodiment, main control chip 12, storage chip 13 are un-encapsulated bare chip (die), and generally, storage chip 13 is Nand
Flash chip, quantity are 8, overlay the surface of substrate 11 by different level.In addition, in other embodiments, main control chip 12,
Storage chip 13 is also possible to packaged chip.
In an optional embodiment, substrate 11 is arranged in main control chip 12, storage chip 13 and passive device 15
On one side, and interface contact 14 is set on another side opposite on substrate 11.
It is the electrical block diagram of multimedia storage card first embodiment provided by the present application in conjunction with Fig. 2, Fig. 2, this is more
Media storage card further includes transforming circuit 17 (Fig. 1 does not show), coupling interface contact 14, main control chip 12 and storage chip 13,
Wherein, interface contact 14 is used for the first voltage V1 that will be inputted for receiving externally input first voltage V1, transforming circuit 17
Second voltage V2 is converted to, to provide first voltage V1 and second voltage V2 two kinds of electricity for main control chip 12 and storage chip 13
Source.
It should be understood that since interface contact has been respectively coupled to transforming circuit 17, main control chip 12 and storage chip 13, institute
That directly can provide first voltage V1 for main control chip 12 and storage chip 13, transforming circuit 17 has coupled 12 He of main control chip
Storage chip 13, so, first voltage V1 can give main control chip 12 and storage chip 13 after the conversion of transforming circuit 17
Second voltage V2 is provided.
In the present embodiment, transforming circuit 17 also can be set on the substrate 11, is packaged layer 16 and covers.
In another embodiment, as shown in figure 3, Fig. 3 is the another of multimedia storage card first embodiment provided by the present application
One electrical block diagram.In the present embodiment, main control chip 12 has been internally integrated transforming circuit 12a.
It should be understood that since interface contact has been respectively coupled to transforming circuit 12a, main control chip 12 and storage chip 13,
So first voltage V1 directly can be provided for main control chip 12 and storage chip 13, transforming circuit 12a has coupled main control chip
12 and storage chip 13, so, first voltage V1, can be to main control chip 12 and storage after transforming circuit 12a conversion
Chip 13 provides second voltage V2.
In the present embodiment, in order to reduce the area of multimedia storage card, it can adapt to more multi-memory card operating mode
Under the premise of the quantity of reduction interface contact as far as possible needed due to the multi-mode working performance of multimedia storage card using not
Same voltage, therefore, transforming circuit is provided for additional voltage, can work under more modes.It can manage
Solution, when multimedia storage card work in first mode, use first voltage V1, when multimedia storage card work second
When mode, second voltage V2 is used.
Multimedia storage card provided by the present application include substrate and the main control chip being set on substrate, storage chip,
Encapsulated layer is covered on interface contact, main control chip and storage chip；Wherein, interface contact includes a sub- contact of power supply, is used
In receiving externally input first voltage, it is additionally provided with a transforming circuit on substrate, coupling interface contact, main control chip and deposits
Chip is stored up, for the first voltage of input to be converted to second voltage, to provide first voltage for main control chip and storage chip
With two kinds of power supplys of second voltage.By the above-mentioned means, not increasing additional under the premise of guaranteeing multimedia storage card small size
Power supply contact forms more power supplys using transforming circuit, protects only using the power supply of the single voltage outside a power supply contact reception
On the one hand the multi-mode working environment for having demonstrate,proved multimedia storage card reduces the area of multimedia storage card, on the other hand increases
The operating mode of multimedia storage card.
It is the structural schematic diagram of multimedia storage card second embodiment provided by the present application, the multimedia refering to Fig. 4, Fig. 4
Storage card 10 includes two opposite long sides and two opposite short sides, specially the first long side L1, the first short side L2, the second long side L3
With the second short side L4, wherein the length of long side is 12.3 ± 0.1mm, and the length of short side is 8.8 ± 0.1mm.
It optionally, include the first corner portion between an adjacent long side and a short side, the first corner portion is 45 ° of chamferings,
Angular distance is 1.65mm.For example, first corner portion is arranged between the first long side L1 and the first short side L2.
Optionally, arc angling is additionally provided between corner portion and the first long side L1, between corner portion and the first short side L2
It is also equipped with arc angling, wherein the radius of the arc angling is 0.8mm.
In addition, between the first long side L1 and the second short side L4, between the second short side L4 and the second long side L3, the second long side
Chamfering can be set between L3 and the first short side L2.
Optionally, the multimedia storage card 10 with a thickness of 0.7 ± 0.1mm.
It is the structural schematic diagram of multimedia storage card 3rd embodiment provided by the present application, the multimedia refering to Fig. 5, Fig. 5
Storage card 10 is the storage card of eMMC agreement.EMMC (Embedded Multi Media Card) is that MMC association concludes, is main
For the embedded memory standard specification of the products such as mobile phone or tablet computer.
In the present embodiment, interface contact 14 is the interface contact using eMMC agreement, including eight sub- contacts are therein
The sub- contact of power supply is used to 3.3V being converted to 1.8V for receiving externally input 3.3V power supply, variable-voltage power supply.
In Fig. 5, eight sub- contacts use 1-8 digital representation respectively, and eight sub- contacts are with the length of multimedia storage card 10
Bian Weihang, short side are column, are arranged in a manner of 4 rows 2 column.Interface contact includes successively be arranged sequentially first row first
Sub- contact, the second sub- contact, the sub- contact of third, the 4th sub- contact, and successively inverted order be arranged in secondary series the 5th sub- contact,
6th sub- contact, the 7th sub- contact, the 8th sub- contact.
Optionally, corresponding first corner portion 51 of the first sub- contact, and the first sub- contact and the first corner portion 51 corresponding one
Angle is set as the second corner portion 52.
Optionally, the 4th sub- contact includes L-shaped the first noumenon 4a and the first extension 4b, and the first extension 4b is extended to
Between the sub- contact of third and a neighbouring short side；5th sub- contact includes L-shaped second ontology 5a and the second extension 5b, and second
Extension 5b is extended between the 6th sub- contact and a neighbouring short side.
It should be understood that being mutually insulated between each sub- contact.
In the present embodiment, the interface contact 14 is used to establish being electrically connected for multimedia storage card 10 and external equipment,
External interface walks eMMC agreement, in the present embodiment, interface contact 14 include 3.3V power supply contact (VCC), grounding wafer (GND),
Clock contact (CLK), order contact (CMD) and 4 data contacts (D0-D3), in the present embodiment, 8 interface contacts set
It sets as follows:
The eMMC agreement of standard needs to provide VCC (3.3V) and VCCQ (3.3V or 1.8V) two-way power input and 8
In order to reduce the area of storage card 8 interface contacts are arranged, therefore it is defeated only to remain 3.3V power supply in data pins, the present embodiment
Enter, and be only provided with 4 data-interface contacts, the multimedia storage card of the present embodiment supports following several rate modes:
Since multimedia storage card 10 provided in this embodiment are provided with 3.3V power supply contact, only support 3.3V power supply defeated
Enter, then increased transforming circuit 17, the 3.3V power conversion for that will input is the output of 1.8V power supply, and as main control chip
12 and/or storage chip 13 provide 1.8V power input (multimedia storage card work in HS200 mode, main control chip 12 must
There need be the power input of 1.8V).
In addition, mark point can also be arranged in the above-described embodiment, on substrate 11, in multimedia storage card 10
In manufacturing process, the position of chip is indicated, is easily installed main control chip 12 and storage chip 13, it is possible to understand that, these marks
Point ground connection.
It should be understood that shape, size are consistent with Nano SIM card by multimedia storage card provided by the embodiment,
When being applied to Embedded Kato, the Kato area occupied is smaller, the size of Kato is reduced, further, in electronic equipment
In with interface contact pairing metal clips where circuit board, area can be reduced accordingly, save electronic equipment internal
Space, be conducive to the lightening of electronic equipment.
It is the structural schematic diagram of one embodiment of mobile electronic device provided by the present application, the electronic equipment refering to Fig. 6, Fig. 6
Including the Kato 62 inside equipment body 61 and embeddable equipment body 61.
Wherein, as shown in fig. 7, Fig. 7 is the structural representation of Kato in one embodiment of mobile electronic device provided by the present application
Figure, the Kato 62 include sim card slot 62a and memory card slot 62b, and sim card slot 62a is identical with the shape of memory card slot 62b,
In, memory card slot 62b is for accommodating the multimedia storage card provided in above-described embodiment.
It should be understood that in one embodiment, sim card slot 62a is identical with the shape of memory card slot 62b, but sets thereon
The position for the interface contact set and function difference, therefore, the elastic slice of the different corresponding external contacts of card is also different, therefore, SIM
The sequence of card slot 62a and memory card slot 62b are non-swappable.Optionally, corresponding mark can be printed on Kato 62, with
Just user can place correct when installing sim card slot 62a and memory card slot 62b.
In other embodiments, can also be laterally disposed by two card slots, i.e. the short side and memory card slot of sim card slot 62a
The short side of 62b is adjacent.
The shape phase of sim card slot and memory card slot on the embedded Kato of mobile electronic device mode provided by the present application
Together, the size of memory card slot is reduced, the area of electronic equipment internal circuit board can be reduced accordingly, save electronic equipment
Internal space, is conducive to the lightening of electronic equipment.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of multimedia storage card, which is characterized in that including substrate and the main control chip being set on the substrate, storage
Encapsulated layer is covered on chip, interface contact, the main control chip and the storage chip；
Wherein, the interface contact includes a sub- contact of power supply, for receiving externally input first voltage, on the substrate
It is additionally provided with a transforming circuit, couples the interface contact, the main control chip and the storage chip, for what will be inputted
First voltage is converted to second voltage, to provide first voltage and second voltage two for the main control chip and the storage chip
Kind power supply.
2. multimedia storage card according to claim 1, which is characterized in that
The interface contact is using the interface contact of eMMC agreement, including eight sub- contacts, the sub- contact of power supply therein
For receiving externally input 3.3V power supply, the variable-voltage power supply is used to 3.3V being converted to 1.8V.
3. multimedia storage card according to claim 2, which is characterized in that
The interface contact further includes being grounded the sub- contact of sub- contact, clock, ordering sub- contact and 4 sub- contacts of data.
4. multimedia storage card according to claim 1, which is characterized in that
The multimedia storage card includes two opposite long sides and two opposite short sides, and the length of the long side is 12.3 ±
0.1mm, the length of the short side are 8.8 ± 0.1mm；
It wherein, include the first corner portion between an adjacent long side and a short side, the corner portion is 45 ° of chamferings, chamfering distance
For 1.65mm.
5. multimedia storage card according to claim 4, which is characterized in that
The multimedia storage card with a thickness of 0.7 ± 0.1mm.
6. multimedia storage card according to claim 4, which is characterized in that
The interface contact includes eight sub- contacts, and eight sub- contacts are capable, short with the long side of the multimedia storage card
Bian Weilie is arranged in a manner of 4 rows 2 column.
7. multimedia storage card according to claim 6, which is characterized in that
The interface contact includes the first sub- contact for being successively arranged sequentially first row, the second sub- contact, the sub- contact of third,
Four sub- contacts, and successively inverted order is arranged in the 5th sub- contact, the 6th sub- contact, the 7th sub- contact, the 8th son touching of secondary series
Piece；
Wherein, the described first sub- contact corresponds to first corner portion, and the first sub- contact is corresponding with first corner portion
One jiao is set as the second corner portion.
8. multimedia storage card according to claim 7, which is characterized in that
The 4th sub- contact includes L-shaped the first noumenon and the first extension, and first extension extends to the third
Between sub- contact and a neighbouring short side；
The 5th sub- contact includes L-shaped second ontology and the second extension, and second extension extends to the described 6th
Between sub- contact and a neighbouring short side.
9. multimedia storage card according to claim 1, which is characterized in that
The multimedia storage card further includes the passive device for being set to the substrate one side.
10. a kind of mobile electronic device, which is characterized in that including the sim card slot and memory card slot being set on same Kato, institute
It is identical with the shape of the memory card slot to state sim card slot, wherein the memory card slot is for accommodating as claim 1-9 is any
Multimedia storage card described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504589.9U CN209044660U (en) | 2018-09-13 | 2018-09-13 | A kind of multimedia storage card and mobile electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504589.9U CN209044660U (en) | 2018-09-13 | 2018-09-13 | A kind of multimedia storage card and mobile electronic device |
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| Publication Number | Publication Date |
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| CN209044660U true CN209044660U (en) | 2019-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284808A (en) * | 2018-09-13 | 2019-01-29 | 深圳市江波龙电子股份有限公司 | A kind of multimedia storage card and mobile electronic device |
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- 2018-09-13 CN CN201821504589.9U patent/CN209044660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284808A (en) * | 2018-09-13 | 2019-01-29 | 深圳市江波龙电子股份有限公司 | A kind of multimedia storage card and mobile electronic device |
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Effective date of registration: 20200201 Address after: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: HUAWEI TECHNOLOGIES Co.,Ltd. Address before: 518057, Guangdong, Nanshan District Province, Shenzhen Road, No. 8 financial services technology innovation base, 8 floor, A, B, C, D, E,, F1 Patentee before: SHENZHEN LONGSYS ELECTRONICS CO., Ltd. |