/* ** ################################################################### ** Processors: MK64FN1M0CAJ12 ** MK64FN1M0VDC12 ** MK64FN1M0VLL12 ** MK64FN1M0VLQ12 ** MK64FN1M0VMD12 ** MK64FX512VDC12 ** MK64FX512VLL12 ** MK64FX512VLQ12 ** MK64FX512VMD12 ** ** Compilers: Keil ARM C/C++ Compiler ** Freescale C/C++ for Embedded ARM ** GNU C Compiler ** IAR ANSI C/C++ Compiler for ARM ** MCUXpresso Compiler ** ** Reference manual: K64P144M120SF5RM, Rev.2, January 2014 ** Version: rev. 2.9, 2016-03-21 ** Build: b180801 ** ** 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 2016 Freescale Semiconductor, Inc. ** Copyright 2016-2018 NXP ** ** SPDX-License-Identifier: BSD-3-Clause ** ** http: www.nxp.com ** mail: support@nxp.com ** ** Revisions: ** - rev. 1.0 (2013-08-12) ** Initial version. ** - 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. ** MCG - registers updated. ** PORTA, PORTB, PORTC, PORTE - registers for digital filter removed. ** - rev. 2.1 (2013-10-30) ** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled. ** - rev. 2.2 (2013-12-09) ** DMA - EARS register removed. ** AIPS0, AIPS1 - MPRA register updated. ** - rev. 2.3 (2014-01-24) ** Update according to reference manual rev. 2 ** ENET, MCG, MCM, SIM, USB - registers updated ** - rev. 2.4 (2014-02-10) ** The declaration of clock configurations has been moved to separate header file system_MK64F12.h ** Update of SystemInit() and SystemCoreClockUpdate() functions. ** - rev. 2.5 (2014-02-10) ** The declaration of clock configurations has been moved to separate header file system_MK64F12.h ** Update of SystemInit() and SystemCoreClockUpdate() functions. ** Module access macro module_BASES replaced by module_BASE_PTRS. ** - rev. 2.6 (2014-08-28) ** Update of system files - default clock configuration changed. ** Update of startup files - possibility to override DefaultISR added. ** - rev. 2.7 (2014-10-14) ** Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog renamed to INT_WDOG_EWM. ** - rev. 2.8 (2015-02-19) ** Renamed interrupt vector LLW to LLWU. ** - rev. 2.9 (2016-03-21) ** Added MK64FN1M0CAJ12 part. ** GPIO - renamed port instances: PTx -> GPIOx. ** ** ################################################################### */ /*! * @file MK64F12 * @version 2.9 * @date 2016-03-21 * @brief Device specific configuration file for MK64F12 (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_MK64F12_H_ #define _SYSTEM_MK64F12_H_ /**< Symbol preventing repeated inclusion */ #ifdef __cplusplus extern "C" { #endif #include #ifndef DISABLE_WDOG #define DISABLE_WDOG 1 #endif /* Define clock source values */ #define CPU_XTAL_CLK_HZ 16000000u /* 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: AVLP=1,ALLS=1,AVLLS=1 */ #define SYSTEM_SMC_PMPROT_VALUE 0x2AU /* SMC_PMPROT */ #define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */ /** * @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); /** * @brief SystemInit function hook. * * This weak function allows to call specific initialization code during the * SystemInit() execution.This can be used when an application specific code needs * to be called as close to the reset entry as possible (for example the Multicore * Manager MCMGR_EarlyInit() function call). * NOTE: No global r/w variables can be used in this hook function because the * initialization of these variables happens after this function. */ void SystemInitHook (void); #ifdef __cplusplus } #endif #endif /* _SYSTEM_MK64F12_H_ */