2.5.4 The PLL Will Not Run when Using XOSCHF with an External Crystal

When the PLL is configured to run from an external source (SOURCE in CLKCTRL.PLLCTRLA is ‘1’), the PLL will only run if XOSCHF is configured to use an external clock (SELHF in CLKCTRL.XOSCHFCTRLA is ‘1’). It will not work with an external crystal.

Work Around

None.

Affected Silicon Revisions


Rev. A4	Rev. A5	Rev. B0
X	X	-

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