I are using adv7282a composite SDTV video decoder in my application.
The decoder hardware is designed according to datasheet references.
I fallowed the eval board scripts to configure adv7282a device, which we implemented is ;
:I2P - PAL In Ain1, YPbPr Out (576p EAV/SAV): delay 10 ; Wait 10ms After Hardware Reset To Start I2C 42 0F 80 ; Reset ADV7282A delay 10 ; Wait 10ms 42 0F 00 ; Exit Power Down Mode [ADV7282A writes begin] 42 52 CD ; AFE IBIAS 42 00 00 ; CVBS in on AIN1 42 0E 80 ; ADI Required Write 42 9C 00 ; Reset Current Clamp Circuitry [step1] 42 9C FF ; Reset Current Clamp Circuitry [step2] 42 0E 00 ; Enter User Sub Map 42 80 51 ; ADI Required Write 42 81 51 ; ADI Required Write 42 82 68 ; ADI Required Write 42 17 41 ; Enable SH1 42 03 0C ; Enable Pixel & Sync output drivers 42 04 07 ; Power-up INTRQ pad 42 13 00 ; Enable ADV7282A for 28_63636MHz crystal 42 1D 40 ; Enable LLC output driver 42 FD 84 ; Set VPP map address 84 A3 00 ; ADI Required Write [ADV7282A VPP writes begin] 84 5B 00 ; Enable Advanced Timing Mode 84 55 80 ; Enable the Deinterlacer for I2P [All ADV7282A Writes Finished]
But I have been struggling about getting the smooth and correct video output from the device.
I am facing with flickering at borderline test pattern and also while playing video,
but color bar and blue screen test patterns outputs are good.
I'm also adding video and images to this post to give you an idea.
Any help would be appreciated.