3.2 Sensitive Traces
Traces connecting to the following pins are sensitive to noise and must be isolated from signal traces/noise source with guard GND vias/GND polygon pour.
- BUCK_PLL
- BUCK_LPA, BUCK_BB, BUCK_CLDO
- AVDD
- EXTRA_48K
- XO_P/XO_N
- LPA_OUT
- PMU_VDDIO, VPMU_VDDP
- NMCLR
- CLDO_O