CN202076489U - HDMI interface with expansion function - Google Patents
HDMI interface with expansion function Download PDFInfo
- Publication number
- CN202076489U CN202076489U CN2011201261049U CN201120126104U CN202076489U CN 202076489 U CN202076489 U CN 202076489U CN 2011201261049 U CN2011201261049 U CN 2011201261049U CN 201120126104 U CN201120126104 U CN 201120126104U CN 202076489 U CN202076489 U CN 202076489U
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- hdmi
- pin
- pins
- function
- interface
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Abstract
The utility model discloses an HDMI interface with an expansion function. The HDMI interface possesses 20 pins, wherein the first to eighth pins are difference HDMI data signal terminals, the ninth to tenth pins are HDMI clock signal terminals, the 11th to 12th pins are grounding terminals, the 13th pin is an HDMI power supply terminal, the 14th pin is a cable plugging detection terminal, the 15th to 16th pins are grounding terminals, the 17th pin is a CEC function terminal, the 18th pin is a system direct current 5 V power supply terminal, and the 19th and 20th pins are IIC communication interface terminals. The HDMI interface provided in the utility model possesses a simple structure; the number and function of function pins are uniformly defined; the production cost is low; and the HDMI interface with an expansion function can be coupled with circuits, and possessing an expansion function.
Description
Technical field
The utility model relates to circuit interface, relates to a kind of HDMI interface particularly.
Background technology
Existing HDMI interface function pin is few, and the function that provides is not powerful, does not have expanded function, and the number of function pin does not have unified specification and definition with effect.
The utility model content
The utility model purpose has provided a kind of HDMI interface with expanded function, and it is simple in structure, unified Definition the number and the function of function pin.
A kind of HDMI interface with expanded function of the present utility model, described HDMI interface have difference HDMI data-signal end, HDMI clock signal terminal, earth terminal, HDMI power end, cable plug test side, CEC function end, system's dc power supply terminal, IIC communication interface end.
Further, described HDMI interface has 20 pins, wherein the 1st ~ 8 pin is a difference HDMI data-signal end, and the 9th ~ 10 pin is the HDMI clock signal terminal, and the 11st ~ 12 pin is an earth terminal, the 13rd pin is the HDMI power end, the 14th pin is cable plug test side, and the 15th ~ 16 pin is an earth terminal, and the 17th pin is a CEC function end, the 18th pin is the direct current 5V of a system power end, and the 19th, 20 pins are IIC communication interface end.
Further, the pin numbering of described HDMI interface be in proper order successively from left to right, layout from top to bottom again.
Compared with prior art, adopt HDMI interface of the present utility model, it is simple in structure, unified Definition the number and the function of function pin, production cost is low, can be complementary with other circuit, has expanded function.
Description of drawings
Fig. 1 is the pin schematic diagram that this practicality has the HDMI interface of expanded function.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the HDMI interface with expanded function that the utility model embodiment provides, described HDMI interface have difference HDMI data-signal end, HDMI clock signal terminal, earth terminal, HDMI power end, cable plug test side, CEC function end, system's dc power supply terminal, IIC communication interface end.
Concrete, described HDMI interface has 20 pins, wherein the 1st ~ 8 pin is a difference HDMI data-signal end, and the 9th ~ 10 pin is the HDMI clock signal terminal, and the 11st ~ 12 pin is an earth terminal, the 13rd pin is the HDMI power end, the 14th pin is cable plug test side, and the 15th ~ 16 pin is an earth terminal, and the 17th pin is a CEC function end, the 18th pin is the direct current 5V of a system power end, and the 19th, 20 pins are IIC communication interface end.
The described HDMI interface of Fig. 1 is rectangular, its pin numbering be in proper order successively from left to right, layout from top to bottom again, wherein the 1st ~ 8 pin is a difference HDMI data-signal end, and 4 groups of HDMI data-signals are arranged, and the 19th, 20 pins are respectively M SCL signal end, M SDA signal end.Adopt HDMI interface of the present utility model, it is simple in structure, unified Definition the number and the function of function pin, production cost is low, can be complementary with other circuit, has expanded function.
The above is a preferred implementation of the present utility model; certainly can not limit the interest field of the utility model with this; should be understood that; for those skilled in the art; can also make some improvement and change, these improvement and change also are considered as protection range of the present utility model.
Claims (3)
1. HDMI interface with expanded function is characterized in that: described HDMI interface has difference HDMI data-signal end, HDMI clock signal terminal, earth terminal, HDMI power end, cable plug test side, CEC function end, system's dc power supply terminal, IIC communication interface end.
2. according to the described HDMI interface of claim 1 with expanded function, it is characterized in that, described HDMI interface has 20 pins, wherein the 1st ~ 8 pin is a difference HDMI data-signal end, the 9th ~ 10 pin is the HDMI clock signal terminal, the 11st ~ 12 pin is an earth terminal, the 13rd pin is the HDMI power end, the 14th pin is cable plug test side, the 15th ~ 16 pin is an earth terminal, the 17th pin is a CEC function end, and the 18th pin is the direct current 5V of a system power end, and the 19th, 20 pins are IIC communication interface end.
3. according to claim 1 or 2 described HDMI interfaces, it is characterized in that with expanded function, the pin numbering of described HDMI interface be in proper order successively from left to right, layout from top to bottom again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261049U CN202076489U (en) | 2011-04-26 | 2011-04-26 | HDMI interface with expansion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261049U CN202076489U (en) | 2011-04-26 | 2011-04-26 | HDMI interface with expansion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076489U true CN202076489U (en) | 2011-12-14 |
Family
ID=45114570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201261049U Expired - Lifetime CN202076489U (en) | 2011-04-26 | 2011-04-26 | HDMI interface with expansion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749965A (en) * | 2017-09-27 | 2018-03-02 | 京东方科技集团股份有限公司 | A kind of circuit board and display device |
-
2011
- 2011-04-26 CN CN2011201261049U patent/CN202076489U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749965A (en) * | 2017-09-27 | 2018-03-02 | 京东方科技集团股份有限公司 | A kind of circuit board and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU SHIYUAN ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Guangdong city of Guangzhou province Guangzhou Science City Kezhu Road No. 192 Patentee after: Guangzhou CVT Electronics Technology Co., Ltd. Address before: 510663 Guangdong city of Guangzhou province Guangzhou Science City Kezhu Road No. 192 Patentee before: Guangzhou Shiyuan Electronics Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |