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Have a problemm with ds90c187 in SIDO mode (timings)!

Paul Troyan
Prodigy 10 points

Hello everyone

I work with stm32f429 microcontroller. it have rgb 24 bit 1024x768? an d i have a lvds panel auo m170etn. it ned daul lvds? i have a solution with 74AVC32T245EC and DS90C187LFE. the panel needs lvds clock ~ 50Mhz? DS90C187LFE make a half clock from IN_CLK? but if make a double clock in STM32f429 all timings ( Back Porch, Front Porch, Sync width, Hsync, Vsync) going wrong...

  • 0
    TI__Mastermind 29655 points
    Hi Paul,

    It looks like you are trying to do a single-to-dual application, in which the input clock will be halved since the LVDS data will be split into odd and even pixels. I am having trouble understanding the issue that you are facing. Do you have a block diagram, schematic, and panel requirements that you can share to illustrate this problem?

    Thanks,

    Michael