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adv7441a User Map device id read problem

Question asked by sesha on Nov 30, 2013
Latest reply on Dec 6, 2013 by sesha


i am trying read ADV7441A User Map device id through I2C .ALSB pin pulled high with 5.2KE.

even with pull-down it is not working.

device is drawing 300mA on 1.8V, 25mA on 3.3V.

Reset is active low for 200ms on power on .

what else need to be checked for establishing to access the chip through i2c bus

i am not using DRCP port A and DRCP port B (HDMI ports) .

i am trying establish RGB decoding(DVI-A).

can any body help me

i am attaching my schematics