Diff: mbed-os/targets/TARGET_NUVOTON/TARGET_NUC472/device/system_NUC472_442.h

Revision:

0:8fdf9a60065b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/targets/TARGET_NUVOTON/TARGET_NUC472/device/system_NUC472_442.h	Wed Oct 10 00:33:53 2018 +0000
@@ -0,0 +1,60 @@
+/**************************************************************************//**
+ * @file     system_NUC472_442.h
+ * @version  V1.00
+ * $Revision: 5 $
+ * $Date: 14/05/29 1:13p $
+ * @brief    NUC472/NUC442 system clock definition file
+ *
+ * @note
+ * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#ifndef __SYSTEM_NUC472_442_H__
+#define __SYSTEM_NUC472_442_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+#define __HXT         (12000000UL)  /*!< High Speed External Crystal Clock Frequency 12MHz */
+#define __LXT         (32768UL)     /*!< Low Speed External Crystal Clock Frequency 32.768kHz */
+#define __HIRC        (22118400UL)  /*!< High Speed Internal 22MHz RC Oscillator Frequency */
+#define __LIRC        (10000UL)     /*!< Low Speed Internal 10kHz RC Oscillator Frequency */
+#define __HSI         (__HIRC)      /* Factory Default is internal 12MHz */
+
+
+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
+ * 
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ * 
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock
+ *         retrieved from CPU registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_NUC472_442_H__ */
+/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/