LPC54608 XTAL PCB layout

[実奥山]

I'm planning to make 4 layer board of LPC54608.

The thickness is t1.6.

I attach the outline of athe board.

L1 is circuit  layer.

L2 is GND layer.

L3 is power layer.

L4  is circuit  layer.

I'm planning to empty L2,L3 under XTAL.

But I don't know how to do L4.

Should I put GND pattern  in L4?

Or should I empty L4?

Please instruct me.

[soledad]

Hi,

The first thing to consider it is your Stackup,  L2 GND and L3 Power it is a mistake, you should use   L1 Circuit, L2 Power L3 Circuit, L4 GND.

Have a great day,
Sol

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