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关于rgb屏幕接口定义的问题

Posted: 2024-10-31 10:19
by sml008
您好!
rgb屏幕的40PIN接口中 RGB DB0~DB17 具体哪个位对应的是 R0~R5,G0~G5,B0~B5?(需要详细的说明比如:DB0~DB5 对应R0~R5,DB6~DB11对应G0~G5,DB12~DB17对应B0~B5)。有没有相关的LCD屏资料说明?
luckfoxlcd接口图.jpg

Re: 关于rgb屏幕接口定义的问题

Posted: 2024-11-01 2:48
by Crocodile
您好,RGB屏幕的DB信号线有一个通用的标准,像RV1106使用的RGB666的标准就是6个引脚代表一个颜色分量,DB0到DB17的顺序是BGR,其他的CLK DE 和 SYNC 引脚查看RGB驱动的时序图就可以了解作用,相关硬件设计细节不做详细说明。LCD屏幕资料主要是屏幕尺寸和相关供电细节,这里仅放出屏幕的引脚说明,屏厂给的资料没有授权不能公开,感谢理解
RGB_40Pin.png

Re: 关于rgb屏幕接口定义的问题

Posted: 2024-11-03 6:40
by sml008
Crocodile wrote: 2024-11-01 2:48 您好,RGB屏幕的DB信号线有一个通用的标准,像RV1106使用的RGB666的标准就是6个引脚代表一个颜色分量,DB0到DB17的顺序是BGR,其他的CLK DE 和 SYNC 引脚查看RGB驱动的时序图就可以了解作用,相关硬件设计细节不做详细说明。LCD屏幕资料主要是屏幕尺寸和相关供电细节,这里仅放出屏幕的引脚说明,屏厂给的资料没有授权不能公开,感谢理解
RGB_40Pin.png
您好,请帮忙确认一下,DB0 对应的 B 的最高位还是最低位?

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-01 6:13
by znguyen
sml008 wrote: 2024-11-03 6:40
Crocodile wrote: 2024-11-01 2:48 您好,RGB屏幕的DB信号线有一个通用的标准,像RV1106使用的RGB666的标准就是6个引脚代表一个颜色分量,DB0到DB17的顺序是BGR,其他的CLK DE 和 SYNC 引脚查看RGB驱动的时序图就可以了解作用,相关硬件设计细节不做详细说明。LCD屏幕资料主要是屏幕尺寸和相关供电细节,这里仅放出屏幕的引脚说明,屏厂给的资料没有授权不能公开,感谢理解
RGB_40Pin.png
您好,请帮忙确认一下,DB0 对应的 B 的最高位还是最低位?
Hello Crocodile
I also have the same question for custom board design.
Could you please help to review and confirm?
Thank you.

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-03 1:19
by Crocodile
You can refer to the description of https://docs.espressif.com/projects/es ... _lcd.html , the main difference between the different models of RGB screens is that the initialization is different, and the data format during transmission is similar

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-09 8:29
by znguyen
Crocodile wrote: 2025-04-03 1:19 You can refer to the description of https://docs.espressif.com/projects/es ... _lcd.html , the main difference between the different models of RGB screens is that the initialization is different, and the data format during transmission is similar
Hello Crocodile
Thanks for your reference.
I checked and show mapping btw LCD connector on Luckfox Pico Ultra W to 40 pin LCD as the below:

Could you please help to review and confirm?
Thank you.

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-09 10:14
by Crocodile
I am sorry, but i can only provide suggestions regarding third-party hardware designs or adapters. We are not in a position to take responsibility for the results, and therefore we cannot offer review or confirmation. Please make your own judgment. Thank you for your understanding.

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-10 4:21
by znguyen
Crocodile wrote: 2025-04-09 10:14 I am sorry, but i can only provide suggestions regarding third-party hardware designs or adapters. We are not in a position to take responsibility for the results, and therefore we cannot offer review or confirmation. Please make your own judgment. Thank you for your understanding.
Hello Crocodile
Yes, I understand this.
I used Luckfox Pico Ultra W dev board for customer product, so i hope that i can get the supporting from you( Luckfox engineer)
So, for the final could you please help to confirm about RGB bit order on LCD connector LuckFox Pico Ultra W?
DB0-DB17 on H2 connector on Luckfox Pico Ultra W will mapping with B[0:5]-G[0:5]-R[0:5] or B[5:0]-G[5:0]-R[5:0].
Thank you.

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-12 2:30
by Crocodile
Referring to this image, your speculation should be correct
PixPin_2025-04-12_10-27-22.png

Re: 关于rgb屏幕接口定义的问题

Posted: 2025-04-14 6:39
by znguyen
Hello Crocodile
Thank you for your feedback.
Yes, I see.
Really in your ESP32 reference link, it have a sample schematic to show option for both RGB888 and RGB666.
I will update the testing when making a new daughter board for Luckfox Pico Ultra W.
Thank you.