2.4 Clocks

The SAM9X60 crystal oscillator supports a wider range of external crystals. Refer to the SAM9X60 data sheet for detailed electrical recommendations.

Table 2-4. SAM9x5 vs. SAM9X60 Crystal Clocks
SAM9x5	SAM9X60
12 to 16 MHz crystal	12 to 48 MHz crystal

Note: The engineering sample ROM code has crystal detection limitations, so only a 24 MHz crystal must be used if a Non-Volatile Memory (NVM) is programmed via USB.

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