cfg_clock_32_16_1.h File Reference

Configure STM32L0 clock using 32MHz core clock and LSE (32.768kHz) More...

Detailed Description

Configure STM32L0 clock using 32MHz core clock and LSE (32.768kHz)

Author
Alexandre Abadie alexa.nosp@m.ndre.nosp@m..abad.nosp@m.ie@i.nosp@m.nria..nosp@m.fr

Definition in file cfg_clock_32_16_1.h.

#include "periph_cpu.h"
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Clock system configuration

#define CLOCK_HSI   (16000000U) /* internal oscillator */
 
#define CLOCK_CORECLOCK   (32000000U) /* desired core clock frequency */
 
#define CLOCK_LSE   (1) /* enable low speed external oscillator */
 
#define CLOCK_PLL_DIV   RCC_CFGR_PLLDIV2
 
#define CLOCK_PLL_MUL   RCC_CFGR_PLLMUL4
 
#define CLOCK_AHB_DIV   RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
 
#define CLOCK_APB2_DIV   RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
 
#define CLOCK_APB1_DIV   RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
 
#define CLOCK_FLASH_LATENCY   FLASH_ACR_LATENCY
 
#define CLOCK_AHB   (CLOCK_CORECLOCK / 1)
 
#define CLOCK_APB2   (CLOCK_CORECLOCK / 1)
 
#define CLOCK_APB1   (CLOCK_CORECLOCK / 1)