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adv7181c vga640x480 60hz => 12 ddr rgb

Question asked by smasinfo on Jul 18, 2011
Latest reply on Aug 5, 2011 by smasinfo

hello

I'm new EZ

I have probllem adv7181c

I want to do vga640x480 60hz => 12 ddr rgb => lcd

I load in adv7181c

 

##CP VGA 640x480##
:640x480 _@ 60  Autodetecting sync source  25.175MHz Out through HDMI:
42 05 02 ; Prim_Mode =010b for GR
42 06 08 ; VID_STD=1000b for 640x480 @ 60
42 C3 46 ; ADC1 to Ain4, ADC0 to Ain6,
42 C4 B5 ; ADC2 to Ain5 and enables manual override of mux
42 1D 47 ; Enable 28MHz Crystal
42 3A 11 ; set latch clock settings to 001b, Power Down ADC3
42 3B 81 ; Enable Internal Bias
42 3C 5C ; PLL_QPUMP to 100b
42 6A 00 ; DLL Phase Adjust
42 6B 84 ; Enable DE output, swap Pr& Pb
42 C9 08 ; Set DDR_EN
42 73 90 ; Set man_gain
42 7B 1D ; TURN OFF EAV & SAV CODES Set BLANK_RGB_SEL
42 85 03 ; Enable DS_OUT
42 86 0B ; Enable stdi_line_count_mode
42 8A 90 ; VCO Range to 00b
42 F4 3F ; Max Drive Strength
42 0E 80 ; ADI Recommended Setting
42 52 46 ; ADI Recommended Setting
42 54 00 ; ADI Recommended Setting
42 0E 00 ; ADI Recommended Setting
42 52 80 ; ADI Recommended Setting
42 57 08 ; ADI Recommended Setting
42 5B 20 ; ADI Recommended Setting
42 5C 00 ; ADI Recommended Setting
42 62 00 ; ADI Recommended Setting
42 63 01 ; ADI Recommended Setting
42 67 03 ; ADI Recommended Setting
42 68 01 ; ADI Recommended Setting

 

Output p0-p19 there is data. there is horizontal synchronization, but there is no frame synchronization.

why there is no frame synh?

is it ok what frame synhr is absent here?

 

 

Thanks.

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