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mbed 2

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TARGET_NUMAKER_PFM_M453/TOOLCHAIN_ARM_MICRO/system_M451Series.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /******************************************************************************
AnnaBridge 171:3a7713b1edbc 2 * @file system_M451Series.h
AnnaBridge 171:3a7713b1edbc 3 * @version V0.10
AnnaBridge 171:3a7713b1edbc 4 * $Revision: 7 $
AnnaBridge 171:3a7713b1edbc 5 * $Date: 15/09/02 10:02a $
AnnaBridge 171:3a7713b1edbc 6 * @brief CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M451 Series MCU
AnnaBridge 171:3a7713b1edbc 7 *
AnnaBridge 171:3a7713b1edbc 8 * @note
AnnaBridge 171:3a7713b1edbc 9 * Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
AnnaBridge 171:3a7713b1edbc 10 *****************************************************************************/
AnnaBridge 171:3a7713b1edbc 11
AnnaBridge 171:3a7713b1edbc 12 #ifndef __SYSTEM_M451SERIES_H__
AnnaBridge 171:3a7713b1edbc 13 #define __SYSTEM_M451SERIES_H__
AnnaBridge 171:3a7713b1edbc 14
AnnaBridge 171:3a7713b1edbc 15 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 16 extern "C" {
AnnaBridge 171:3a7713b1edbc 17 #endif
AnnaBridge 171:3a7713b1edbc 18
AnnaBridge 171:3a7713b1edbc 19 #include <stdint.h>
AnnaBridge 171:3a7713b1edbc 20
AnnaBridge 171:3a7713b1edbc 21 /*---------------------------------------------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 22 /* Macro Definition */
AnnaBridge 171:3a7713b1edbc 23 /*---------------------------------------------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 24 #ifndef DEBUG_PORT
AnnaBridge 171:3a7713b1edbc 25 # define DEBUG_PORT UART0 /*!< Select Debug Port which is used for retarget.c to output debug message to UART */
AnnaBridge 171:3a7713b1edbc 26 #endif
AnnaBridge 171:3a7713b1edbc 27
AnnaBridge 171:3a7713b1edbc 28
AnnaBridge 171:3a7713b1edbc 29 /*----------------------------------------------------------------------------
AnnaBridge 171:3a7713b1edbc 30 Define clocks
AnnaBridge 171:3a7713b1edbc 31 *----------------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 32
AnnaBridge 171:3a7713b1edbc 33 #define __HSI (12000000UL) /*!< PLL default output is 72MHz */
AnnaBridge 171:3a7713b1edbc 34 #define __HXT (12000000UL) /*!< External Crystal Clock Frequency */
AnnaBridge 171:3a7713b1edbc 35 #define __LXT (32768UL) /*!< External Crystal Clock Frequency 32.768KHz */
AnnaBridge 171:3a7713b1edbc 36 #define __HIRC (22118400UL) /*!< Internal 22M RC Oscillator Frequency */
AnnaBridge 171:3a7713b1edbc 37 #define __LIRC (10000UL) /*!< Internal 10K RC Oscillator Frequency */
AnnaBridge 171:3a7713b1edbc 38 #define __SYS_OSC_CLK ( ___HSI) /* Main oscillator frequency */
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40
AnnaBridge 171:3a7713b1edbc 41 #define __SYSTEM_CLOCK (1*__HXT)
AnnaBridge 171:3a7713b1edbc 42
AnnaBridge 171:3a7713b1edbc 43 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
AnnaBridge 171:3a7713b1edbc 44 extern uint32_t CyclesPerUs; /*!< Cycles per micro second */
AnnaBridge 171:3a7713b1edbc 45 extern uint32_t PllClock; /*!< PLL Output Clock Frequency */
AnnaBridge 171:3a7713b1edbc 46
AnnaBridge 171:3a7713b1edbc 47
AnnaBridge 171:3a7713b1edbc 48 /**
AnnaBridge 171:3a7713b1edbc 49 * Initialize the system
AnnaBridge 171:3a7713b1edbc 50 *
AnnaBridge 171:3a7713b1edbc 51 * @param None
AnnaBridge 171:3a7713b1edbc 52 * @return None
AnnaBridge 171:3a7713b1edbc 53 *
AnnaBridge 171:3a7713b1edbc 54 * @brief Setup the microcontroller system.
AnnaBridge 171:3a7713b1edbc 55 * Initialize the System and update the SystemCoreClock variable.
AnnaBridge 171:3a7713b1edbc 56 */
AnnaBridge 171:3a7713b1edbc 57 extern void SystemInit(void);
AnnaBridge 171:3a7713b1edbc 58
AnnaBridge 171:3a7713b1edbc 59 /**
AnnaBridge 171:3a7713b1edbc 60 * Update SystemCoreClock variable
AnnaBridge 171:3a7713b1edbc 61 *
AnnaBridge 171:3a7713b1edbc 62 * @param None
AnnaBridge 171:3a7713b1edbc 63 * @return None
AnnaBridge 171:3a7713b1edbc 64 *
AnnaBridge 171:3a7713b1edbc 65 * @brief Updates the SystemCoreClock with current core Clock
AnnaBridge 171:3a7713b1edbc 66 * retrieved from cpu registers.
AnnaBridge 171:3a7713b1edbc 67 */
AnnaBridge 171:3a7713b1edbc 68 extern void SystemCoreClockUpdate(void);
AnnaBridge 171:3a7713b1edbc 69
AnnaBridge 171:3a7713b1edbc 70 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 71 }
AnnaBridge 171:3a7713b1edbc 72 #endif
AnnaBridge 171:3a7713b1edbc 73
AnnaBridge 171:3a7713b1edbc 74 #endif /* __SYSTEM_M451SERIES_H__ */
AnnaBridge 171:3a7713b1edbc 75 /*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/