[riot-notifications] [RIOT-OS/RIOT] SAML21 CPU: support 4MHz, 8MHz, 12MHz CORE_CORECLOCK choices (#16433)
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Mon May 3 19:01:44 CEST 2021
Microchip SAML21 CPU allows a few slow clock modes which are useful on low power devices, to save energy.
This PR adds support for the PL0 power level modes to the CPU initialization.
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-- Commit Summary --
* SAML21 CPU: support 4MHz, 8MHz, 12MHz CORE_CORECLOCK choices
-- File Changes --
M cpu/saml21/cpu.c (22)
-- Patch Links --
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