Diff: targets/TARGET_NUVOTON/TARGET_M451/device/system_M451Series.h

Revision:

149:156823d33999

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_NUVOTON/TARGET_M451/device/system_M451Series.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,75 @@
+/******************************************************************************
+ * @file     system_M451Series.h
+ * @version  V0.10
+ * $Revision: 7 $
+ * $Date: 15/09/02 10:02a $
+ * @brief    CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M451 Series MCU
+ *
+ * @note
+ * Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
+*****************************************************************************/
+
+#ifndef __SYSTEM_M451SERIES_H__
+#define __SYSTEM_M451SERIES_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/*---------------------------------------------------------------------------------------------------------*/
+/* Macro Definition                                                                                        */
+/*---------------------------------------------------------------------------------------------------------*/
+#ifndef DEBUG_PORT
+# define DEBUG_PORT      UART0       /*!< Select Debug Port which is used for retarget.c to output debug message to UART */
+#endif
+
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+
+#define __HSI       (12000000UL)    /*!< PLL default output is 72MHz */
+#define __HXT       (12000000UL)    /*!< External Crystal Clock Frequency     */
+#define __LXT       (32768UL)       /*!< External Crystal Clock Frequency 32.768KHz */
+#define __HIRC      (22118400UL)    /*!< Internal 22M RC Oscillator Frequency */
+#define __LIRC      (10000UL)       /*!< Internal 10K RC Oscillator Frequency */
+#define __SYS_OSC_CLK     (    ___HSI)    /* Main oscillator frequency        */
+
+
+#define __SYSTEM_CLOCK    (1*__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 microcontroller 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_M451SERIES_H__ */
+/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/