DLPC350 Pixel clock

M.H

Genius 5960 points

Other Parts Discussed in Thread: DLPLCR4500EVM

Hi,

I am using the DLPLCR4500EVM.

　- Enter the video from the HDMI 912 × 1140

- Vsync is input by a pattern sequence mode.

How much is the most large of the frame rate which can be input?

Best Regards,

hamada

over 9 years ago

0 Sanjeev over 9 years ago

TI__Mastermind 30875 points

Hi Hamada-san,

120Hz @ around 146MHz pixel clock

look at this thread - https://e2e.ti.com/support/dlp__mems_micro-electro-mechanical_systems/f/924/t/312672 for timing

Regards,
Sanjeev

0 M.H over 9 years ago in reply to Sanjeev

Genius 5960 points

Hi, Sanjeev.

Thank you for reply.

I think details of the pixel format will be below.(912×1140)

・Horizontal :
　　Active Time : 912 pixles
　　Blanking Time : 280 pixles

・Vertical :
　　Active Time : 1140 Lines
　　Blanking Time : 30 Lines
　
　　Total(blanking include) : 1192Pixls × 1170 Lines

If the pixel clock is 146MHz, I think the frame rate is not to 120Hz.
What do you think?

Best Regards,
hamada

0 Sanjeev over 9 years ago in reply to M.H

TI__Mastermind 30875 points

You are correct, we have reduced the Horizontal blanking time from 280 to 128 pixels. Refer to this thread for 120Hz signal timing

https://e2e.ti.com/support/dlp__mems_micro-electro-mechanical_systems/f/924/t/312672

Regards,

Sanjeev

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