Hi team,
This is brandon.My customer is facing a problem related to incompatibility.
End equipment were related to video conference system.
1.The end product use HDMI cable to link with HDMI interface in Chuangwei's TV.When the equipment power up, the TV can display normally(1080P60);
2.But when we pull off the HDMI line and then relink with the TV, the TV can not display with black screen. and show no resource connected;
3.when this issue happened, Signal of HPD show a pulse with coninuously changing with high level and low level;
i attach schematic of interface and the unnorally signal wavefrom.
MCU:TI-TMS8168(Netra) ESD:TI-TPD12S016 Circuit of HPD directly connect to the HPD part of Netra(without any pull up or pull off resistant);
Could you help check this case?
BR
Brandon Li