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Urgent ,Why doesn't  PTN3356 work ?

Question asked by Kwangehee Han on Aug 6, 2018
Latest reply on Aug 9, 2018 by Kwangehee Han

PTN3356 DisplayPort to VGA.

PTN3356 has ROM type and Flash type.

We used both  ROM type and Flash type, but didn't work.

We designed Schemetics that is copyed  NXP reference, so we think Schemetics is no problem.

Does it have to program? Does it  need a program using tool?


1) Crystal scope : 27MHz XTAL at power on,
oscilator about 1msec and  disappear 27M waveform.

2) Realtek's DP to VGA module:  It works well when we attach DP to VGA module to our DP port,


Mr Han , Solvitsystem.