Name: Microchip Technology SAM E54 Xplained Pro
Brand: Microchip Technology
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8.3.2 32.768 KHz Crystal

The 32.768 KHz crystal mounted on revision 4 of SAM E54 Xplained Pro is a Kyocera Crystal Device

Corporation ST3215SB32768E0HPWBB 9 pF crystal. The external matching capacitors C300 and C301

are 15 pF. The crystal is matched to be driven by the SAM E54 in standard mode.

Info: Using a crystal with lower capacitive load will reduce the required drive level to keep the

crystal oscillation. Revision 5 of SAM E54 Xplained Pro replaced the 32.768kHz crystal with the

5 pF version ST3215SB32768A0HPWBB to reduce the drive level from 62nW to 15nW.

SAM E54 Xplained Pro

DS70005321A-page 46

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Microchip Technology SAM E54 Xplained Pro Specifications

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