Diff: TARGET_K22F/system_MK22F51212.h

Revision:

90:cb3d968589d8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_K22F/system_MK22F51212.h	Tue Oct 28 16:40:41 2014 +0000
@@ -0,0 +1,367 @@
+/*
+** ###################################################################
+**     Compilers:           Keil ARM C/C++ Compiler
+**                          Freescale C/C++ for Embedded ARM
+**                          GNU C Compiler
+**                          GNU C Compiler - CodeSourcery Sourcery G++
+**                          IAR ANSI C/C++ Compiler for ARM
+**
+**     Reference manual:    K22P121M120SF7RM, Rev. 1, March 24, 2014
+**     Version:             rev. 2.5, 2014-05-06
+**     Build:               b140611
+**
+**     Abstract:
+**         Provides a system configuration function and a global variable that
+**         contains the system frequency. It configures the device and initializes
+**         the oscillator (PLL) that is part of the microcontroller device.
+**
+**     Copyright (c) 2014 Freescale Semiconductor, Inc.
+**     All rights reserved.
+**
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     o Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     o Redistributions in binary form must reproduce the above copyright notice, this
+**       list of conditions and the following disclaimer in the documentation and/or
+**       other materials provided with the distribution.
+**
+**     o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+**       contributors may be used to endorse or promote products derived from this
+**       software without specific prior written permission.
+**
+**     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+**     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+**     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+**     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+**     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+**     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+**     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+**     ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+**     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+**     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+**     http:                 www.freescale.com
+**     mail:                 support@freescale.com
+**
+**     Revisions:
+**     - rev. 1.0 (2013-07-23)
+**         Initial version.
+**     - rev. 1.1 (2013-09-17)
+**         RM rev. 0.4 update.
+**     - rev. 2.0 (2013-10-29)
+**         Register accessor macros added to the memory map.
+**         Symbols for Processor Expert memory map compatibility added to the memory map.
+**         Startup file for gcc has been updated according to CMSIS 3.2.
+**         System initialization updated.
+**     - rev. 2.1 (2013-10-30)
+**         Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled.
+**     - rev. 2.2 (2013-12-20)
+**         Update according to reference manual rev. 0.6,
+**     - rev. 2.3 (2014-01-13)
+**         Update according to reference manual rev. 0.61,
+**     - rev. 2.4 (2014-02-10)
+**         The declaration of clock configurations has been moved to separate header file system_MK22F51212.h
+**     - rev. 2.5 (2014-05-06)
+**         Update according to reference manual rev. 1.0,
+**         Update of system and startup files.
+**         Module access macro module_BASES replaced by module_BASE_PTRS.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file MK22F51212
+ * @version 2.5
+ * @date 2014-05-06
+ * @brief Device specific configuration file for MK22F51212 (header file)
+ *
+ * Provides a system configuration function and a global variable that contains
+ * the system frequency. It configures the device and initializes the oscillator
+ * (PLL) that is part of the microcontroller device.
+ */
+
+#ifndef SYSTEM_MK22F51212_H_
+#define SYSTEM_MK22F51212_H_                     /**< Symbol preventing repeated inclusion */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+
+#define DISABLE_WDOG                   1
+
+#ifndef CLOCK_SETUP
+  #define CLOCK_SETUP                  4
+#endif
+
+/* MCG mode constants */
+
+#define MCG_MODE_FEI                   0U
+#define MCG_MODE_FBI                   1U
+#define MCG_MODE_BLPI                  2U
+#define MCG_MODE_FEE                   3U
+#define MCG_MODE_FBE                   4U
+#define MCG_MODE_BLPE                  5U
+#define MCG_MODE_PBE                   6U
+#define MCG_MODE_PEE                   7U
+
+/* Predefined clock setups
+   0 ... Default  part configuration
+         Multipurpose Clock Generator (MCG) in FEI mode.
+         Reference clock source for MCG module: Slow internal reference clock
+         Core clock = 20.97152MHz
+         Bus clock  = 20.97152MHz
+   1 ... Maximum achievable clock frequency configuration
+         Multipurpose Clock Generator (MCG) in PEE mode.
+         Reference clock source for MCG module: System oscillator 0 reference clock
+         Core clock = 120MHz
+         Bus clock  = 60MHz
+   2 ... Chip internaly clocked, ready for Very Low Power Run mode.
+         Multipurpose Clock Generator (MCG) in BLPI mode.
+         Reference clock source for MCG module: Fast internal reference clock
+         Core clock = 4MHz
+         Bus clock  = 4MHz
+   3 ... Chip externally clocked, ready for Very Low Power Run mode.
+         Multipurpose Clock Generator (MCG) in BLPE mode.
+         Reference clock source for MCG module: System oscillator 0 reference clock
+         Core clock = 4MHz
+         Bus clock  = 4MHz
+   4 ... USB clock setup
+         Multipurpose Clock Generator (MCG) in PEE mode.
+         Reference clock source for MCG module: System oscillator 0 reference clock
+         Core clock = 120MHz
+         Bus clock  = 60MHz
+   5 ... Maximum achievable clock frequency configuration in RUN mode
+         Multipurpose Clock Generator (MCG) in PEE mode.
+         Reference clock source for MCG module: System oscillator 0 reference clock
+         Core clock = 80MHz
+         Bus clock  = 40MHz
+ */
+
+/* Define clock source values */
+
+#define CPU_XTAL_CLK_HZ                8000000u            /* Value of the external crystal or oscillator clock frequency in Hz */
+#define CPU_XTAL32k_CLK_HZ             32768u              /* Value of the external 32k crystal or oscillator clock frequency in Hz */
+#define CPU_INT_SLOW_CLK_HZ            32768u              /* Value of the slow internal oscillator clock frequency in Hz  */
+#define CPU_INT_FAST_CLK_HZ            4000000u            /* Value of the fast internal oscillator clock frequency in Hz  */
+#define CPU_INT_IRC_CLK_HZ             48000000u           /* Value of the 48M internal oscillator clock frequency in Hz  */
+
+/* RTC oscillator setting */
+/* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */
+#define SYSTEM_RTC_CR_VALUE            0x0300U             /* RTC_CR */
+
+/* Low power mode enable */
+/* SMC_PMPROT: AHSRUN=1,AVLP=1,ALLS=1,AVLLS=1 */
+#define SYSTEM_SMC_PMPROT_VALUE        0xAAU               /* SMC_PMPROT */
+
+/* Internal reference clock trim */
+/* #undef SLOW_TRIM_ADDRESS */                             /* Slow oscillator not trimmed. Commented out for MISRA compliance. */
+/* #undef SLOW_FINE_TRIM_ADDRESS */                        /* Slow oscillator not trimmed. Commented out for MISRA compliance. */
+/* #undef FAST_TRIM_ADDRESS */                             /* Fast oscillator not trimmed. Commented out for MISRA compliance. */
+/* #undef FAST_FINE_TRIM_ADDRESS */                        /* Fast oscillator not trimmed. Commented out for MISRA compliance. */
+
+#if (CLOCK_SETUP == 0)
+  #define DEFAULT_SYSTEM_CLOCK         20971520u           /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_FEI /* Clock generator mode */
+  /* MCG_C1: CLKS=0,FRDIV=0,IREFS=1,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x06U               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=0,IRCS=0 */
+  #define SYSTEM_MCG_C2_VALUE          0x24U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=0,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x00U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=0 */
+  #define SYSTEM_MCG_C5_VALUE          0x00U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=0,CME0=0,VDIV0=0 */
+  #define SYSTEM_MCG_C6_VALUE          0x00U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=0,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x00U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x00U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x00110000U         /* SIM_CLKDIV1 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=0,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00U               /* SIM_SOPT2 */
+#elif (CLOCK_SETUP == 1)
+  #define DEFAULT_SYSTEM_CLOCK         120000000u          /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_PEE /* Clock generator mode */
+  /* MCG_C1: CLKS=0,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x1AU               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=0,IRCS=0 */
+  #define SYSTEM_MCG_C2_VALUE          0x24U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=0,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x00U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=1 */
+  #define SYSTEM_MCG_C5_VALUE          0x01U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=1,CME0=0,VDIV0=6 */
+  #define SYSTEM_MCG_C6_VALUE          0x46U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x80U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=3,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x60U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=1,OUTDIV3=1,OUTDIV4=4 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x01140000U         /* SIM_CLKDIV1 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=1,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00010000U         /* SIM_SOPT2 */
+#elif (CLOCK_SETUP == 2)
+  #define DEFAULT_SYSTEM_CLOCK         4000000u            /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_BLPI /* Clock generator mode */
+  /* MCG_C1: CLKS=1,FRDIV=0,IREFS=1,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x46U               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=1,IRCS=1 */
+  #define SYSTEM_MCG_C2_VALUE          0x27U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=0,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x00U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=0 */
+  #define SYSTEM_MCG_C5_VALUE          0x00U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=0,CME0=0,VDIV0=0 */
+  #define SYSTEM_MCG_C6_VALUE          0x00U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x80U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x00U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=0,OUTDIV4=4 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x00040000U         /* SIM_CLKDIV1 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=3,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00030000U         /* SIM_SOPT2 */
+#elif (CLOCK_SETUP == 3)
+  #define DEFAULT_SYSTEM_CLOCK         4000000u            /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_BLPE /* Clock generator mode */
+  /* MCG_C1: CLKS=2,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x9AU               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=1,IRCS=1 */
+  #define SYSTEM_MCG_C2_VALUE          0x27U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=1,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x02U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=0 */
+  #define SYSTEM_MCG_C5_VALUE          0x00U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=0,CME0=0,VDIV0=0 */
+  #define SYSTEM_MCG_C6_VALUE          0x00U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=0,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x00U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x00U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=1,OUTDIV2=1,OUTDIV3=1,OUTDIV4=7 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x11170000U         /* SIM_CLKDIV1 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=3,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00030000U         /* SIM_SOPT2 */
+#elif (CLOCK_SETUP == 4)
+  #define DEFAULT_SYSTEM_CLOCK         120000000u          /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_PEE /* Clock generator mode */
+  /* MCG_C1: CLKS=0,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x1AU               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=0,IRCS=0 */
+  #define SYSTEM_MCG_C2_VALUE          0x24U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=0,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x00U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=1 */
+  #define SYSTEM_MCG_C5_VALUE          0x01U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=1,CME0=0,VDIV0=6 */
+  #define SYSTEM_MCG_C6_VALUE          0x46U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x80U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=3,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x60U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=1,OUTDIV3=1,OUTDIV4=4 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x01140000U         /* SIM_CLKDIV1 */
+/* SIM_CLKDIV2: USBDIV=4,USBFRAC=1 */
+  #define SYSTEM_SIM_CLKDIV2_VALUE     0x09U               /* SIM_CLKDIV2 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=1,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00010000U         /* SIM_SOPT2 */
+#elif (CLOCK_SETUP == 5)
+  #define DEFAULT_SYSTEM_CLOCK         80000000u           /* Default System clock value */
+  #define MCG_MODE                     MCG_MODE_PEE /* Clock generator mode */
+  /* MCG_C1: CLKS=0,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */
+  #define SYSTEM_MCG_C1_VALUE          0x1AU               /* MCG_C1 */
+  /* MCG_C2: LOCRE0=0,FCFTRIM=0,RANGE=2,HGO=0,EREFS=1,LP=0,IRCS=0 */
+  #define SYSTEM_MCG_C2_VALUE          0x24U               /* MCG_C2 */
+  /* MCG_C4: DMX32=0,DRST_DRS=0,FCTRIM=0,SCFTRIM=0 */
+  #define SYSTEM_MCG_C4_VALUE          0x00U               /* MCG_C4 */
+  /* MCG_SC: ATME=0,ATMS=0,ATMF=0,FLTPRSRV=0,FCRDIV=0,LOCS0=0 */
+  #define SYSTEM_MCG_SC_VALUE          0x00U               /* MCG_SC */
+/* MCG_C5: PLLCLKEN0=0,PLLSTEN0=0,PRDIV0=3 */
+  #define SYSTEM_MCG_C5_VALUE          0x03U               /* MCG_C5 */
+/* MCG_C6: LOLIE0=0,PLLS=1,CME0=0,VDIV0=0x10 */
+  #define SYSTEM_MCG_C6_VALUE          0x50U               /* MCG_C6 */
+/* MCG_C7: OSCSEL=0 */
+  #define SYSTEM_MCG_C7_VALUE          0x00U               /* MCG_C7 */
+/* OSC_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
+  #define SYSTEM_OSC_CR_VALUE          0x80U               /* OSC_CR */
+/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
+  #define SYSTEM_SMC_PMCTRL_VALUE      0x00U               /* SMC_PMCTRL */
+/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=1,OUTDIV3=1,OUTDIV4=3 */
+  #define SYSTEM_SIM_CLKDIV1_VALUE     0x01130000U         /* SIM_CLKDIV1 */
+/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=2,OSC32KOUT=0,RAMSIZE=0 */
+  #define SYSTEM_SIM_SOPT1_VALUE       0x00080000U         /* SIM_SOPT1 */
+/* SIM_SOPT2: LPUARTSRC=0,USBSRC=0,PLLFLLSEL=1,TRACECLKSEL=0,FBSL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
+  #define SYSTEM_SIM_SOPT2_VALUE       0x00010000U         /* SIM_SOPT2 */
+#endif
+
+/**
+ * @brief System clock frequency (core clock)
+ *
+ * The system clock frequency supplied to the SysTick timer and the processor
+ * core clock. This variable can be used by the user application to setup the
+ * SysTick timer or configure other parameters. It may also be used by debugger to
+ * query the frequency of the debug timer or configure the trace clock speed
+ * SystemCoreClock is initialized with a correct predefined value.
+ */
+extern uint32_t SystemCoreClock;
+
+/**
+ * @brief Setup the microcontroller system.
+ *
+ * Typically this function configures the oscillator (PLL) that is part of the
+ * microcontroller device. For systems with variable clock speed it also updates
+ * the variable SystemCoreClock. SystemInit is called from startup_device file.
+ */
+void SystemInit (void);
+
+/**
+ * @brief Updates the SystemCoreClock variable.
+ *
+ * It must be called whenever the core clock is changed during program
+ * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
+ * the current core clock.
+ */
+void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* #if !defined(SYSTEM_MK22F51212_H_) */