/**************************************************************************//**
* @file system_M480.h
* @version V1.00
* @brief CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M480
*
* SPDX-License-Identifier: Apache-2.0
*
* @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __SYSTEM_M480_H__
#define __SYSTEM_M480_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/*----------------------------------------------------------------------------
Define clocks
*----------------------------------------------------------------------------*/
#ifndef __HSI
#define __HSI (12000000UL) /*!< PLL default output is 50MHz */
#endif
#ifndef __HXT
#define __HXT (12000000UL) /*!< External Crystal Clock Frequency */
#endif
#ifndef __LXT
#define __LXT (32768UL) /*!< External Crystal Clock Frequency 32.768KHz */
#endif
#define __HIRC (12000000UL) /*!< Internal 12M RC Oscillator Frequency */
#define __LIRC (10000UL) /*!< Internal 10K RC Oscillator Frequency */
#define __SYS_OSC_CLK ( ___HSI) /* Main oscillator frequency */
#define __SYSTEM_CLOCK (1UL*__HXT)
extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
extern uint32_t CyclesPerUs; /*!< Cycles per micro second */
extern uint32_t PllClock; /*!< PLL Output Clock Frequency */
/**
* Initialize the system
*
* @param none
* @return none
*
* @brief Setup the micro controller system.
* Initialize the System and update the SystemCoreClock variable.
*/
extern void SystemInit (void);
/**
* Update SystemCoreClock variable
*
* @param none
* @return none
*
* @brief Updates the SystemCoreClock with current core Clock
* retrieved from cpu registers.
*/
extern void SystemCoreClockUpdate (void);
#ifdef __cplusplus
}
#endif
#endif /* __SYSTEM_M480_H__ */
/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
