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AD9880 Hsyncs per Vsync active mode question

Question asked by ppetropo on Nov 4, 2010
Latest reply on Nov 4, 2010 by cvaughn

I am using the AD9880 for HDMI in and both component and vga.   I want to read the I2C bus and interpret the input video mode to the chip. The resolution into the chip is 854x480. Registers x17 and x18 report back 020d -> 525 decimal. Shouldn't that be closer to 480? Where else can I read to find out which input HDMI or analog are active?