system_efr32bg21.c File Reference
CMSIS Cortex-M33 system support for EFR32BG21 devices.
Copyright 2019 Silicon Laboratories, Inc. www.silabs.com
The licensor of this software is Silicon Laboratories Inc.
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
- The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
- Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
- This notice may not be removed or altered from any source distribution.
Definition in file
|Get current CLKIN0 frequency. |
|Get FSRCO frequency. |
|Get the current system core clock frequency (HCLK). |
|Get current HFRCODPLL frequency. |
|void||SystemHFRCODPLLClockSet (uint32_t freq)|
|Set HFRCODPLL frequency value. |
|Get current HFRCOEM23 frequency. |
|Get high frequency crystal oscillator clock frequency for target system. |
|void||SystemHFXOClockSet (uint32_t freq)|
|Set high frequency crystal oscillator clock frequency for target system. |
|Initialize the system. |
|Get low frequency RC oscillator clock frequency for target system. |
|Get low frequency crystal oscillator clock frequency for target system. |
|void||SystemLFXOClockSet (uint32_t freq)|
|Set low frequency crystal oscillator clock frequency for target system. |
|Get the maximum core clock frequency. |
|Get the current system clock frequency (SYSCLK). |
|Get ultra low frequency RC oscillator clock frequency for target system. |
|uint32_t||SystemCoreClock = HFRCODPLL_STARTUP_FREQ|
|System System Clock Frequency (Core Clock). |
|static uint32_t||SystemHFRCODPLLClock = HFRCODPLL_STARTUP_FREQ|
|static uint32_t||SystemHFXOClock = HFXO_FREQ|
|static uint32_t||SystemLFXOClock = LFXO_FREQ|