AVR186: Best Practices for the PCB layout of Oscillators
AVR186: Best Practices for the PCB layout of Oscillators
AVR186: Best Practices for the PCB layout of Oscillators
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2. Description<br />
2<br />
<strong>AVR186</strong><br />
In order to increase <strong>the</strong> robustness <strong>of</strong> this device against external disturbances, <strong>the</strong> design <strong>of</strong><br />
<strong>the</strong> <strong>PCB</strong> lay-out has to be done very carefully. An example is shown in Figure 2-1.<br />
Figure 2-1. Example <strong>of</strong> <strong>PCB</strong> <strong>layout</strong>.<br />
Crystal/Resonator<br />
CXtalin<br />
CXtalout<br />
Ground Plane<br />
Connection<br />
Local Ground<br />
plane<br />
Xtalin<br />
Xtalout<br />
Gnd<br />
8128A–AVR–03/08