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mbed-os / targets / TARGET_NUVOTON / TARGET_NANO100 / device / system_Nano100Series.h
@MS30 CCChang12 MS30 CCChang12 on 12 Apr 2017 1 KB [NANO] Alpha support
/**************************************************************************//**
 * @file     system_Nano100Series.h
 * @version  V1.00
 * $Revision: 2 $
 * $Date: 14/01/07 7:35p $
 * @brief    Nano100 series system clock definition file
 *
 * @note
 * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/


#ifndef __SYSTEM_NANO100SERIES_H__
#define __SYSTEM_NANO100SERIES_H__

#ifdef __cplusplus
extern "C" {
#endif


/*----------------------------------------------------------------------------
  Define SYSCLK
 *----------------------------------------------------------------------------*/

#define __HXT         (12000000UL)
#define __LXT         (32768UL)
#define __HIRC12M     (12000000UL)
#define __LIRC        (10000UL)
#define __HIRC        __HIRC12M
#define __HSI         (__HIRC12M)      /* Factory Default is internal 12MHz */


extern uint32_t SystemCoreClock;        /*!< System Clock Frequency (Core Clock) */
extern uint32_t CyclesPerUs;            /*!< Cycles per micro second */

/**
 * Update SystemCoreClock variable
 *
 * @param  None
 * @return None
 *
 * @brief  Updates the SystemCoreClock with current core Clock
 *         retrieved from CPU registers.
 */

extern void SystemCoreClockUpdate (void);
extern uint32_t SysGet_PLLClockFreq(void);

#ifdef __cplusplus
}
#endif

#endif  //__SYSTEM_NANO100SERIES_H__


/*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/