1 /* 2 ** ################################################################### 3 ** Processors: MK64FN1M0CAJ12 4 ** MK64FN1M0VDC12 5 ** MK64FN1M0VLL12 6 ** MK64FN1M0VLQ12 7 ** MK64FN1M0VMD12 8 ** MK64FX512VDC12 9 ** MK64FX512VLL12 10 ** MK64FX512VLQ12 11 ** MK64FX512VMD12 12 ** 13 ** Compilers: Freescale C/C++ for Embedded ARM 14 ** GNU C Compiler 15 ** IAR ANSI C/C++ Compiler for ARM 16 ** Keil ARM C/C++ Compiler 17 ** MCUXpresso Compiler 18 ** 19 ** Reference manual: K64P144M120SF5RM, Rev.2, January 2014 20 ** Version: rev. 2.9, 2016-03-21 21 ** Build: b181105 22 ** 23 ** Abstract: 24 ** Provides a system configuration function and a global variable that 25 ** contains the system frequency. It configures the device and initializes 26 ** the oscillator (PLL) that is part of the microcontroller device. 27 ** 28 ** Copyright 2016 Freescale Semiconductor, Inc. 29 ** Copyright 2016-2018 NXP 30 ** All rights reserved. 31 ** 32 ** SPDX-License-Identifier: BSD-3-Clause 33 ** 34 ** http: www.nxp.com 35 ** mail: support@nxp.com 36 ** 37 ** Revisions: 38 ** - rev. 1.0 (2013-08-12) 39 ** Initial version. 40 ** - rev. 2.0 (2013-10-29) 41 ** Register accessor macros added to the memory map. 42 ** Symbols for Processor Expert memory map compatibility added to the memory map. 43 ** Startup file for gcc has been updated according to CMSIS 3.2. 44 ** System initialization updated. 45 ** MCG - registers updated. 46 ** PORTA, PORTB, PORTC, PORTE - registers for digital filter removed. 47 ** - rev. 2.1 (2013-10-30) 48 ** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled. 49 ** - rev. 2.2 (2013-12-09) 50 ** DMA - EARS register removed. 51 ** AIPS0, AIPS1 - MPRA register updated. 52 ** - rev. 2.3 (2014-01-24) 53 ** Update according to reference manual rev. 2 54 ** ENET, MCG, MCM, SIM, USB - registers updated 55 ** - rev. 2.4 (2014-02-10) 56 ** The declaration of clock configurations has been moved to separate header file system_MK64F12.h 57 ** Update of SystemInit() and SystemCoreClockUpdate() functions. 58 ** - rev. 2.5 (2014-02-10) 59 ** The declaration of clock configurations has been moved to separate header file system_MK64F12.h 60 ** Update of SystemInit() and SystemCoreClockUpdate() functions. 61 ** Module access macro module_BASES replaced by module_BASE_PTRS. 62 ** - rev. 2.6 (2014-08-28) 63 ** Update of system files - default clock configuration changed. 64 ** Update of startup files - possibility to override DefaultISR added. 65 ** - rev. 2.7 (2014-10-14) 66 ** Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog renamed to INT_WDOG_EWM. 67 ** - rev. 2.8 (2015-02-19) 68 ** Renamed interrupt vector LLW to LLWU. 69 ** - rev. 2.9 (2016-03-21) 70 ** Added MK64FN1M0CAJ12 part. 71 ** GPIO - renamed port instances: PTx -> GPIOx. 72 ** 73 ** ################################################################### 74 */ 75 76 /*! 77 * @file MK64F12 78 * @version 2.9 79 * @date 2016-03-21 80 * @brief Device specific configuration file for MK64F12 (header file) 81 * 82 * Provides a system configuration function and a global variable that contains 83 * the system frequency. It configures the device and initializes the oscillator 84 * (PLL) that is part of the microcontroller device. 85 */ 86 87 #ifndef _SYSTEM_MK64F12_H_ 88 #define _SYSTEM_MK64F12_H_ /**< Symbol preventing repeated inclusion */ 89 90 #ifdef __cplusplus 91 extern "C" { 92 #endif 93 94 #include <stdint.h> 95 96 97 #ifndef DISABLE_WDOG 98 #define DISABLE_WDOG 1 99 #endif 100 101 /* Define clock source values */ 102 103 #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ 104 #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ 105 #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ 106 #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ 107 #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ 108 109 /* RTC oscillator setting */ 110 /* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */ 111 #define SYSTEM_RTC_CR_VALUE 0x0300U /* RTC_CR */ 112 113 /* Low power mode enable */ 114 /* SMC_PMPROT: AVLP=1,ALLS=1,AVLLS=1 */ 115 #define SYSTEM_SMC_PMPROT_VALUE 0x2AU /* SMC_PMPROT */ 116 117 #define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */ 118 119 120 /** 121 * @brief System clock frequency (core clock) 122 * 123 * The system clock frequency supplied to the SysTick timer and the processor 124 * core clock. This variable can be used by the user application to setup the 125 * SysTick timer or configure other parameters. It may also be used by debugger to 126 * query the frequency of the debug timer or configure the trace clock speed 127 * SystemCoreClock is initialized with a correct predefined value. 128 */ 129 extern uint32_t SystemCoreClock; 130 131 /** 132 * @brief Setup the microcontroller system. 133 * 134 * Typically this function configures the oscillator (PLL) that is part of the 135 * microcontroller device. For systems with variable clock speed it also updates 136 * the variable SystemCoreClock. SystemInit is called from startup_device file. 137 */ 138 void SystemInit (void); 139 140 /** 141 * @brief Updates the SystemCoreClock variable. 142 * 143 * It must be called whenever the core clock is changed during program 144 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 145 * the current core clock. 146 */ 147 void SystemCoreClockUpdate (void); 148 149 /** 150 * @brief SystemInit function hook. 151 * 152 * This weak function allows to call specific initialization code during the 153 * SystemInit() execution.This can be used when an application specific code needs 154 * to be called as close to the reset entry as possible (for example the Multicore 155 * Manager MCMGR_EarlyInit() function call). 156 * NOTE: No global r/w variables can be used in this hook function because the 157 * initialization of these variables happens after this function. 158 */ 159 void SystemInitHook (void); 160 161 #ifdef __cplusplus 162 } 163 #endif 164 165 #endif /* _SYSTEM_MK64F12_H_ */ 166
