CN208689914U - For one kind for driving MIPI, LVDS, RGB function shows integrated test board - Google Patents
For one kind for driving MIPI, LVDS, RGB function shows integrated test board Download PDFInfo
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- CN208689914U CN208689914U CN201821358746.XU CN201821358746U CN208689914U CN 208689914 U CN208689914 U CN 208689914U CN 201821358746 U CN201821358746 U CN 201821358746U CN 208689914 U CN208689914 U CN 208689914U
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Abstract
The utility model discloses one kind for driving MIPI, LVDS, and RGB function shows integrated test board, including fpga chip, MIPI interface conversion chip, LVDS interface conversion chip；Command unit and video unit are respectively equipped on the MIPI interface conversion chip, LVDS interface conversion chip；The fpga chip is electrically connected with MIPI interface conversion chip, LVDS interface conversion chip respectively；Command unit and video unit on the MIPI interface conversion chip are electrically connected with the MIPI interface of display screen respectively；Command unit and video unit on the LVDS interface conversion chip are electrically connected with the LVDS interface of display screen respectively；The fpga chip is also electrically connected with the rgb interface of display screen.RGB, LVDS, MIPI interface are realized compatibility feature extension, save cost, improve production efficiency by the utility model one test board.
Description
Technical field
The utility model relates to MIPI, LVDS, the TFT mould technical group fields of rgb interface, and in particular to one kind is for driving
Dynamic MIPI, LVDS, RGB function show integrated test board.
Background technique
MIPI is the abbreviation of Mobile Industry Processor Interface, and Chinese name is mobile communication row
Industry processor interface and high resolution R GB, LVDS interface screen are all to be shown on existing market using common MCU driving
Shield brush screen, this brush screen speed is slow, only the working frequency of 8MHZ, and dot matrix resolution ratio is small, can not drive present market at all
Newly go out high resolution R GB, LVDS interface screen.And the test board now produced at present is to separate distinct interface test board, leads to benefit
It is not high with rate.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of for driving MIPI, LVDS, and RGB function shows one
Body test board, by RGB, LVDS, MIPI interface realizes compatibility feature extension, and total testing time is not significantly increased,
Many costs are saved, and improve production efficiency, and improve utilization rate, so that LVDS, rgb interface is shown with MIPI
Screen reaches the high-resolution display effect of high definition.
Above-mentioned technical problem is solved, the utility model uses following technical scheme:
For one kind for driving MIPI, LVDS, RGB function shows integrated test board, including fpga chip, MIPI interface conversion
Chip, LVDS interface conversion chip；
The MIPI interface conversion chip, LVDS interface conversion chip with display screen for being electrically connected respectively；The MIPI
Command unit and video unit are respectively equipped on interface conversion chip, LVDS interface conversion chip；
Fpga chip is electrically connected with MIPI interface conversion chip, LVDS interface conversion chip respectively；
Command unit and video unit on the MIPI interface conversion chip are electrically connected with the MIPI interface of display screen respectively
It connects；
Command unit and video unit on the LVDS interface conversion chip are electrically connected with the LVDS interface of display screen respectively
It connects；
The fpga chip is also electrically connected with the rgb interface of display screen.
Wherein, the MIPI conversion chip is SSD2828 MIPI interface conversion chip.
Wherein, the LVDS conversion chip is DTC34LM85AL LVDS interface conversion chip.
Control unit, clock unit and data cell, described control unit, clock are additionally provided on the MIPI conversion chip
Unit and data cell are electrically connected with the MIPI interface of display screen respectively.
Control unit, clock unit and data cell, described control unit, clock are additionally provided on the LVDS conversion chip
Unit and data cell are electrically connected with the LVDS interface of display screen respectively.
The utility model has the following beneficial effects:
(1) the integrated test board of the use of the new type is by RGB, LVDS, and MIPI interface realizes compatibility feature extension, and total
Testing time is not significantly increased, that is, saves many costs, and improve production efficiency, and improve utilization rate, so that
With MIPI, LVDS, rgb interface display screen reaches the high-resolution display effect of high definition.
(2) the integrated test board of the use of the new type can be used for that band MIPI interface display, band LVDS interface is driven to show
Screen and with rgb interface display screen, fpga chip and conversion chip can drive the full HD dot matrix of display screen, to reach display screen
The high-resolution display of high definition, and realize the working frequency brush screen of 60HZ；The effective identification id PIN foot of test board energy
Read functions substantially increase production test efficiency, save work with the fast and simple to operate characteristic of brush screen speed
Time.
Detailed description of the invention
Fig. 1 is the utility model for driving MIPI, LVDS, and RGB function shows the structural schematic diagram of integrated test board；
Fig. 2 is the utility model for driving MIPI, LVDS, and RGB function shows integrated test board working principle diagram.
Description of symbols in attached drawing: 1-FPGA chip；2- MIPI interface conversion chip；3- LVDS interface conversion chip；4-
MIPI interface display；5-LVDS interface display；6-RGB interface display.
Specific embodiment
The technical solution of the utility model is further elaborated below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the utility model, for driving band MIPI, LVDS, RGB function shows integrated test board, including
Fpga chip 1, MIPI interface conversion chip 2, LVDS interface conversion chip 3, wherein fpga chip 1 is Samsung S5PV210AH-
A0, MIPI interface conversion chip 2 is SSD2828 MIPI interface conversion chip, and LVDS interface conversion chip 3 is DTC34LM85AL
LVDS interface conversion chip.
MIPI conversion chip 2 is equipped with command unit, video unit, control unit, clock unit and data cell；LVDS
Interface conversion chip 3 is equipped with command unit, video unit, control unit, clock unit and data cell；Fpga chip 1 with
MIPI interface conversion chip 2 is electrically connected, command unit, video unit, control unit, clock on MIPI interface conversion chip 2
Unit and data cell are electrically connected with the MIPI interface of MIPI interface display 4 respectively；Fpga chip 1 and LVDS interface convert core
Piece 3 is electrically connected, command unit, video unit, control unit, clock unit and the data cell on LVDS interface conversion chip 3
It is electrically connected respectively with the LVDS interface of LVDS interface display screen 5；Fpga chip 1 is also electric with the rgb interface of rgb interface display screen 6
Connection.
For the utility model for driving band MIPI, LVDS, RGB function shows its working principle of integrated test board: direct current
Power supply DC12 input, by ISL85033 DC-DC conversion IC, 12V is converted into 5V, and 3.3V powers to CPU and external circuit elements
Power supply generates signal by CPU Samsung S5PV210AH-A0 and is transferred by DTC34LM85 chip into LVDS signal, LVDS is driven to connect
Mouth screen；Signal is generated by CPU Samsung S5PV210AH-A0 to transfer by SSD2828 chip into MIPI signal, drives MIPI interface
Screen；Signal is generated by CPU Samsung S5PV210AH-A0 and directly drives rgb interface screen.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of driving MIPI, LVDS, RGB function show integrated test board, which is characterized in that including fpga chip, MIPI
Interface conversion chip, LVDS interface conversion chip；It is respectively equipped on the MIPI interface conversion chip, LVDS interface conversion chip
Command unit and video unit；
The fpga chip is electrically connected with MIPI interface conversion chip, LVDS interface conversion chip respectively；The MIPI interface turns
The command unit and video unit changed on chip is electrically connected with the MIPI interface of display screen respectively；The LVDS interface conversion chip
On command unit and video unit be electrically connected respectively with the LVDS interface of display screen；The fpga chip also with display screen
Rgb interface electrical connection.
2. driving MIPI according to claim 1, LVDS, RGB function shows integrated test board, which is characterized in that described
Control unit, clock unit and data cell, described control unit, clock unit and data sheet are additionally provided on MIPI conversion chip
Member is electrically connected with the MIPI interface of display screen respectively.
3. driving MIPI according to claim 1 or 2, LVDS, RGB function shows integrated test board, which is characterized in that institute
It states and is additionally provided with control unit, clock unit and data cell on LVDS conversion chip, described control unit, clock unit and data
Unit is electrically connected with the LVDS interface of display screen respectively.
4. driving MIPI according to claim 1, LVDS, RGB function shows integrated test board, which is characterized in that described
MIPI conversion chip is SSD2828 MIPI interface conversion chip.
5. driving MIPI according to claim 1, LVDS, RGB function shows integrated test board, which is characterized in that described
LVDS conversion chip is DTC34LM85AL LVDS interface conversion chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358746.XU CN208689914U (en) | 2018-08-22 | 2018-08-22 | For one kind for driving MIPI, LVDS, RGB function shows integrated test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358746.XU CN208689914U (en) | 2018-08-22 | 2018-08-22 | For one kind for driving MIPI, LVDS, RGB function shows integrated test board |
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| Publication Number | Publication Date |
|---|---|
| CN208689914U true CN208689914U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821358746.XU Active CN208689914U (en) | 2018-08-22 | 2018-08-22 | For one kind for driving MIPI, LVDS, RGB function shows integrated test board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112349238A (en) * | 2021-01-06 | 2021-02-09 | 智道网联科技(北京)有限公司 | Vehicle-mounted device, display driving method, and control circuit |
| KR20210054964A (en) * | 2019-11-05 | 2021-05-14 | 킹 유안 일렉트로닉스 코포레이션 리미티드 | Image test system and test assembly thereof |
-
2018
- 2018-08-22 CN CN201821358746.XU patent/CN208689914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210054964A (en) * | 2019-11-05 | 2021-05-14 | 킹 유안 일렉트로닉스 코포레이션 리미티드 | Image test system and test assembly thereof |
| KR102421319B1 (en) | 2019-11-05 | 2022-07-15 | 킹 유안 일렉트로닉스 코포레이션 리미티드 | Image test system and test assembly thereof |
| CN112349238A (en) * | 2021-01-06 | 2021-02-09 | 智道网联科技(北京)有限公司 | Vehicle-mounted device, display driving method, and control circuit |
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