added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/cmsis/TARGET_Freescale/TARGET_K22F/system_MK22F51212.h
- Revision:
- 0:9b334a45a8ff
- Child:
- 121:7f86b4238bec
diff -r 000000000000 -r 9b334a45a8ff targets/cmsis/TARGET_Freescale/TARGET_K22F/system_MK22F51212.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_Freescale/TARGET_K22F/system_MK22F51212.h Thu Oct 01 15:25:22 2015 +0300 @@ -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_) */