tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/system_MKL05Z4.h

   1 /*
   2 ** ###################################################################
   3 **     Processors:          MKL05Z32FK4
   4 **                          MKL05Z32LC4
   5 **                          MKL05Z32VLF4
   6 **
   7 **     Compilers:           ARM Compiler
   8 **                          Freescale C/C++ for Embedded ARM
   9 **                          GNU C Compiler
  10 **                          IAR ANSI C/C++ Compiler for ARM
  11 **
  12 **     Reference manual:    KL05P48M48SF1RM, Rev.3, Sep 2012
  13 **     Version:             rev. 1.6, 2013-04-11
  14 **
  15 **     Abstract:
  16 **         Provides a system configuration function and a global variable that
  17 **         contains the system frequency. It configures the device and initializes
  18 **         the oscillator (PLL) that is part of the microcontroller device.
  19 **
  20 **     Copyright: 2013 Freescale, Inc. All Rights Reserved.
  21 **
  22 **     http:                 www.freescale.com
  23 **     mail:                 support@freescale.com
  24 **
  25 **     Revisions:
  26 **     - rev. 1.0 (2012-06-08)
  27 **         Initial version.
  28 **     - rev. 1.1 (2012-06-21)
  29 **         Update according to reference manual rev. 1.
  30 **     - rev. 1.2 (2012-08-01)
  31 **         Device type UARTLP changed to UART0.
  32 **         Missing PORTB_IRQn interrupt number definition added.
  33 **     - rev. 1.3 (2012-10-04)
  34 **         Update according to reference manual rev. 3.
  35 **     - rev. 1.4 (2012-11-22)
  36 **         MCG module - bit LOLS in MCG_S register renamed to LOLS0.
  37 **         NV registers - bit EZPORT_DIS in NV_FOPT register removed.
  38 **     - rev. 1.5 (2013-04-05)
  39 **         Changed start of doxygen comment.
  40 **     - rev. 1.6 (2013-04-11)
  41 **         SystemInit methods updated with predefined initialization sequence.
  42 **
  43 ** ###################################################################
  44 */
  45
  46 /*!
  47  * @file MKL05Z4
  48  * @version 1.6
  49  * @date 2013-04-11
  50  * @brief Device specific configuration file for MKL05Z4 (header file)
  51  *
  52  * Provides a system configuration function and a global variable that contains
  53  * the system frequency. It configures the device and initializes the oscillator
  54  * (PLL) that is part of the microcontroller device.
  55  */
  56
  57 #ifndef SYSTEM_MKL05Z4_H_
  58 #define SYSTEM_MKL05Z4_H_                        /**< Symbol preventing repeated inclusion */
  59
  60 #ifdef __cplusplus
  61 extern "C" {
  62 #endif
  63
  64 #include <stdint.h>
  65
  66 /**
  67  * @brief System clock frequency (core clock)
  68  *
  69  * The system clock frequency supplied to the SysTick timer and the processor
  70  * core clock. This variable can be used by the user application to setup the
  71  * SysTick timer or configure other parameters. It may also be used by debugger to
  72  * query the frequency of the debug timer or configure the trace clock speed
  73  * SystemCoreClock is initialized with a correct predefined value.
  74  */
  75 extern uint32_t SystemCoreClock;
  76
  77 /**
  78  * @brief Setup the microcontroller system.
  79  *
  80  * Typically this function configures the oscillator (PLL) that is part of the
  81  * microcontroller device. For systems with variable clock speed it also updates
  82  * the variable SystemCoreClock. SystemInit is called from startup_device file.
  83  */
  84 void SystemInit (void);
  85
  86 /**
  87  * @brief Updates the SystemCoreClock variable.
  88  *
  89  * It must be called whenever the core clock is changed during program
  90  * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
  91  * the current core clock.
  92  */
  93 void SystemCoreClockUpdate (void);
  94
  95 #ifdef __cplusplus
  96 }
  97 #endif
  98
  99 #endif  /* #if !defined(SYSTEM_MKL05Z4_H_) */