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Add EFM32 CMU header file

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This commit is contained in:
Gregory Nutt 2014-10-18 09:26:56 -06:00
parent b327a408a4
commit d359e4bf3f
1 changed files with 15 additions and 0 deletions
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15
configs/efm32-g8xx-stk/include/board.h
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@ -47,6 +47,21 @@
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* Clock Sources
* - 1-28 MHz High Frequency RC Oscillator (HFRCO)
* - 4-32 MHz High Frequency Crystal Oscillator (HFXO)
* - 32.768 kHz Low Frequency RC Oscillator (LFRCO)
* - 32.768 kHz Low Frequency Crystal Oscillator (LFXO)
*
* The device boots with 14 MHz HFRCO as the HFCLK source.
*/
#define BOARD_HFRCO_FREQUENCY 14000000 /* 14MHz on reset */
#define BOARD_HFXO_FREQUENCY 32000000 /* 32MHz crystal on board */
#define BOARD_LFRCO_FREQUENCY 32768 /* Low frequency oscillator */
#define BOARD_LFXO_FREQUENCY 32768 /* 32MHz crystal on board */
/* The EFM32 Gecko Starter Kit supports 4 yellow LEDs. One side is grounded
* so these LEDs are illuminated by outputting a high value.
*