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ADV7513 Settings

Question asked by elvin.joy@ittiam.com on Sep 12, 2014
Latest reply on Sep 16, 2014 by mattp

Hi,

 

I am using HDMI transmitter, ADV7513 in one of our applications. The input video to the transmitter is 16-bit, YCbCr 4:2:2, 720p/60 format with embedded syncs. The output is selected as HDMI with RGB 4:4:4 resolution which is connected to HDMI TV. The I2C register settings used for this application are as given below.

 

72 01 00 ; Set N Value(6144)                                                               

72 02 18 ; Set N Value(6144)

72 03 00 ; Set N Value(6144)

72 04 02 ; Set 48Khz audio

72 05 04 ; MCLK=128fs,I2S4-stream

72 15 22 ; Input 422 YCrCb with embedded Syncs, 48kHz fs

72 16 34 ; Output format 444, 16-bit input,output color space = RGB

72 17 07 ; first order interpolation, 16:9 aspect ratio, DE generator enabled

72 18 86 ; CSC enabled

72 3C 04 ; user programmed VIC sent to RX = 720p-60, 16:9

72 3D 04 ; user programmed VIC sent to HDMI RX and used in AVI Infoframe status = 720p-60, 16:9

72 40 80 ; General Control packet enable

72 41 10 ; Power down control

72 55 00 ; Set RGB444 output format

72 56 28 ; Set active format Aspect

72 98 03 ; ADI Recommended Write

72 9A E0 ; ADI Recommended Write

72 9C 30 ; PLL Filter R1 Value

72 9D 61 ; Set clock divide

72 A2 A4 ; ADI Recommended Write

72 A3 A4 ; ADI Recommended Write

72 AF 06 ; Set HDMI Mode

72 BA 60 ; No clock delay

72 E0 D0 ; ADI Recommended Write

72 E2 01 ; CEC enabled

72 F9 00 ; ADI Recommended Write

 

But with the above settings I am not able to get any video display on the HDMI TV. Please verify whether the above settings are proper or not.


Regards,

Elvin

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