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/*
** ###################################################################
** Processors: MKL26Z128CAL4
** MKL26Z128VFM4
** MKL26Z64VFM4
** MKL26Z32VM4
** MKL26Z128VFT4
** MKL26Z64VFT4
** MKL26Z32VFT4
** MKL26Z128VLH4
** MKL26Z64VLH4
** MKL26Z32VLH4
** MKL26Z256VLH4
** MKL26Z256VLL4
** MKL26Z128VLL4
** MKL26Z256VMC4
** MKL26Z128VMC4
** MKL26Z256VMP4
**
** 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 manuals: KL26P121M48SF4RM Rev. 3.2, October 2013
** KL26P121M48SF4RM, Rev.2, Dec 2012
**
** Version: rev. 1.7, 2015-01-13
** Build: b150129
**
** 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) 2015 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 (2012-12-12)
** Initial version.
** - rev. 1.1 (2013-04-05)
** Changed start of doxygen comment.
** - rev. 1.2 (2013-04-12)
** SystemInit function fixed for clock configuration 1.
** Name of the interrupt num. 31 updated to reflect proper function.
** - rev. 1.3 (2014-05-27)
** Updated to Kinetis SDK support standard.
** MCG OSC clock select supported (MCG_C7[OSCSEL]).
** - rev. 1.4 (2014-07-25)
** System initialization updated:
** - Prefix added to the system initialization parameterization constants to avoid name conflicts..
** - VLLSx wake-up recovery added.
** - Delay of 1 ms added to SystemInit() to ensure stable FLL output in FEI and FEE MCG modes.
** - rev. 1.5 (2014-08-28)
** Update of system files - default clock configuration changed, fix of OSC initialization.
** Update of startup files - possibility to override DefaultISR added.
** - rev. 1.6 (2014-10-14)
** Renamed interrupt vector LPTimer to LPTMR0
** - rev. 1.7 (2015-01-13)
** Update of the copyright.
**
** ###################################################################
*/
/*!
* @file MKL26Z4
* @version 1.7
* @date 2015-01-13
* @brief Device specific configuration file for MKL26Z4 (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_MKL26Z4_H_
#define SYSTEM_MKL26Z4_H_ /**< Symbol preventing repeated inclusion */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#ifndef DISABLE_WDOG
#define DISABLE_WDOG 1
#endif
#define ACK_ISOLATION 1
#ifndef RTC_CLKIN_USED
#define RTC_CLKIN_USED 1
#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 reference clock
Core clock = 48MHz
Bus clock = 24MHz
2 ... Chip internally 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 = 0.8MHz
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 reference clock
Core clock = 4MHz
Bus clock = 1MHz
4 ... USB clock setup
Multipurpose Clock Generator (MCG) in PEE mode.
Reference clock source for MCG module: System oscillator reference clock
Core clock = 48MHz
Bus clock = 24MHz
*/
/* Define clock source values */
#define CPU_XTAL_CLK_HZ 8000000U /* Value of the external crystal or oscillator clock frequency of the system oscillator (OSC) 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 */
/* RTC oscillator setting */
/* Low power mode enable */
/* SMC_PMPROT: AVLP=1,ALLS=1,AVLLS=1 */
#define SYSTEM_SMC_PMPROT_VALUE 0x2AU /* 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. */
#ifdef CLOCK_SETUP
#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,RANGE0=2,HGO0=0,EREFS0=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 */
/* OSC0_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
#define SYSTEM_OSC0_CR_VALUE 0x80U /* OSC0_CR */
/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
#define SYSTEM_SMC_PMCTRL_VALUE 0x00U /* SMC_PMCTRL */
/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV4=0 */
#define SYSTEM_SIM_CLKDIV1_VALUE 0x00U /* SIM_CLKDIV1 */
/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=3 */
#define SYSTEM_SIM_SOPT1_VALUE 0x000C0000U /* SIM_SOPT1 */
/* SIM_SOPT2: UART0SRC=0,TPMSRC=1,USBSRC=0,PLLFLLSEL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
#define SYSTEM_SIM_SOPT2_VALUE 0x01000000U /* SIM_SOPT2 */
#elif (CLOCK_SETUP == 1)
#define DEFAULT_SYSTEM_CLOCK 48000000U /* 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,RANGE0=2,HGO0=0,EREFS0=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=0 */
#define SYSTEM_MCG_C6_VALUE 0x40U /* MCG_C6 */
/* OSC0_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
#define SYSTEM_OSC0_CR_VALUE 0x80U /* OSC0_CR */
/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
#define SYSTEM_SMC_PMCTRL_VALUE 0x00U /* SMC_PMCTRL */
/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV4=1 */
#define SYSTEM_SIM_CLKDIV1_VALUE 0x00010000U /* SIM_CLKDIV1 */
/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=3 */
#define SYSTEM_SIM_SOPT1_VALUE 0x000C0000U /* SIM_SOPT1 */
/* SIM_SOPT2: UART0SRC=0,TPMSRC=1,USBSRC=0,PLLFLLSEL=1,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
#define SYSTEM_SIM_SOPT2_VALUE 0x01010000U /* 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,RANGE0=2,HGO0=0,EREFS0=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 */
/* OSC0_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
#define SYSTEM_OSC0_CR_VALUE 0x80U /* OSC0_CR */
/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
#define SYSTEM_SMC_PMCTRL_VALUE 0x00U /* SMC_PMCTRL */
/* SIM_CLKDIV1: OUTDIV1=0,OUTDIV4=4 */
#define SYSTEM_SIM_CLKDIV1_VALUE 0x00040000U /* SIM_CLKDIV1 */
/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=3 */
#define SYSTEM_SIM_SOPT1_VALUE 0x000C0000U /* SIM_SOPT1 */
/* SIM_SOPT2: UART0SRC=0,TPMSRC=2,USBSRC=0,PLLFLLSEL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
#define SYSTEM_SIM_SOPT2_VALUE 0x02000000U /* 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,RANGE0=2,HGO0=0,EREFS0=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 */
/* OSC0_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
#define SYSTEM_OSC0_CR_VALUE 0x80U /* OSC0_CR */
/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
#define SYSTEM_SMC_PMCTRL_VALUE 0x00U /* SMC_PMCTRL */
/* SIM_CLKDIV1: OUTDIV1=1,OUTDIV4=3 */
#define SYSTEM_SIM_CLKDIV1_VALUE 0x10030000U /* SIM_CLKDIV1 */
/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=3 */
#define SYSTEM_SIM_SOPT1_VALUE 0x000C0000U /* SIM_SOPT1 */
/* SIM_SOPT2: UART0SRC=0,TPMSRC=2,USBSRC=0,PLLFLLSEL=0,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
#define SYSTEM_SIM_SOPT2_VALUE 0x02000000U /* SIM_SOPT2 */
#elif (CLOCK_SETUP == 4)
#define DEFAULT_SYSTEM_CLOCK 48000000U /* 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,RANGE0=2,HGO0=0,EREFS0=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=24 */
#define SYSTEM_MCG_C6_VALUE 0x58U /* MCG_C6 */
/* OSC0_CR: ERCLKEN=1,EREFSTEN=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */
#define SYSTEM_OSC0_CR_VALUE 0x80U /* OSC0_CR */
/* SMC_PMCTRL: RUNM=0,STOPA=0,STOPM=0 */
#define SYSTEM_SMC_PMCTRL_VALUE 0x00U /* SMC_PMCTRL */
/* SIM_CLKDIV1: OUTDIV1=1,OUTDIV4=1 */
#define SYSTEM_SIM_CLKDIV1_VALUE 0x10010000U /* SIM_CLKDIV1 */
/* SIM_SOPT1: USBREGEN=0,USBSSTBY=0,USBVSTBY=0,OSC32KSEL=3 */
#define SYSTEM_SIM_SOPT1_VALUE 0x000C0000U /* SIM_SOPT1 */
/* SIM_SOPT2: UART0SRC=0,TPMSRC=1,USBSRC=0,PLLFLLSEL=1,CLKOUTSEL=0,RTCCLKOUTSEL=0 */
#define SYSTEM_SIM_SOPT2_VALUE 0x01010000U /* SIM_SOPT2 */
#else
#error The selected clock setup is not supported.
#endif
#else //#ifdef CLOCK_SETUP
#define DEFAULT_SYSTEM_CLOCK 20971520U /* Default System clock value */
#endif //#ifdef CLOCK_SETUP
/**
* @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_MKL26Z4_H_) */