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Atmel /ATSAM3S1A /SUPC /CR

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Interpret as CR

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31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (NO_EFFECT)VROFF 0 (NO_EFFECT)XTALSEL 0KEY

XTALSEL=NO_EFFECT, VROFF=NO_EFFECT

Description

Supply Controller Control Register

Fields

VROFF

Voltage Regulator Off

0 (NO_EFFECT): no effect.

1 (STOP_VREG): if KEY is correct, asserts the vddcore_nreset and stops the voltage regulator.
XTALSEL

Crystal Oscillator Select

0 (NO_EFFECT): no effect.

1 (CRYSTAL_SEL): if KEY is correct, switches the slow clock on the crystal oscillator output.
KEY

Password

165 (PASSWD): Writing any other value in this field aborts the write operation.

Links

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Register Reference

https://github.com/cmsis-svd/cmsis-svd-data