- Sun Jun 28, 2009 12:40 pm
#75968
Hi,
on the Sparkfun website, I have seen the PSP LCD which is connected to an FPGA. I would like to do a very similar project. So, maybe someone here can help me.
First of all, I will tell you a little bit about my project idea. I would like to capture an analog video and display this video on the PSP LCD. The video will be digitized with an IC from TI (TVP 5150AM1).
The analog video is coming from an S-video source with two interlaced fields (PAL). So, I will get images with a resolution of 720x288 pixel. So far so good... now, the problem is that the framerate of the analog source is 50 Hz. The PSP LCD requires a nominal pixel clock of 9 MHz which results in 60 Hz framerate.
The question is, if the PSP LCD is able to operate correctly with a vertical frequency of 50 Hz (about 7 MHz pixel clock) instead of 60 Hz!?
Maybe someone can try to run the LCD with 50 Hz framerate.
Thanks a lot,
Andreas
on the Sparkfun website, I have seen the PSP LCD which is connected to an FPGA. I would like to do a very similar project. So, maybe someone here can help me.
First of all, I will tell you a little bit about my project idea. I would like to capture an analog video and display this video on the PSP LCD. The video will be digitized with an IC from TI (TVP 5150AM1).
The analog video is coming from an S-video source with two interlaced fields (PAL). So, I will get images with a resolution of 720x288 pixel. So far so good... now, the problem is that the framerate of the analog source is 50 Hz. The PSP LCD requires a nominal pixel clock of 9 MHz which results in 60 Hz framerate.
The question is, if the PSP LCD is able to operate correctly with a vertical frequency of 50 Hz (about 7 MHz pixel clock) instead of 60 Hz!?
Maybe someone can try to run the LCD with 50 Hz framerate.
Thanks a lot,
Andreas