1 /* 2 ** ################################################################### 3 ** Processors: MK28FN2M0ACAU15R 4 ** MK28FN2M0AVMI15 5 ** 6 ** Compilers: Freescale C/C++ for Embedded ARM 7 ** GNU C Compiler 8 ** IAR ANSI C/C++ Compiler for ARM 9 ** Keil ARM C/C++ Compiler 10 ** MCUXpresso Compiler 11 ** 12 ** Reference manual: K28P210M150SF5RM, Rev. 4, Aug 2017 13 ** Version: rev. 1.3, 2018-01-09 14 ** Build: b181105 15 ** 16 ** Abstract: 17 ** Provides a system configuration function and a global variable that 18 ** contains the system frequency. It configures the device and initializes 19 ** the oscillator (PLL) that is part of the microcontroller device. 20 ** 21 ** Copyright 2016 Freescale Semiconductor, Inc. 22 ** Copyright 2016-2018 NXP 23 ** All rights reserved. 24 ** 25 ** SPDX-License-Identifier: BSD-3-Clause 26 ** 27 ** http: www.nxp.com 28 ** mail: support@nxp.com 29 ** 30 ** Revisions: 31 ** - rev. 1.0 (2016-05-10) 32 ** Initial version 33 ** - rev. 1.1 (2016-10-20) 34 ** Update based on Rev1 RM. 35 ** - rev. 1.2 (2017-04-06) 36 ** Remove TSI. 37 ** Add ISD2FA, ISD3FA, ISD2FB and ISD3FB bits in QuadSPI0_MCR. 38 ** - rev. 1.3 (2018-01-09) 39 ** Add K28FA support. 40 ** 41 ** ################################################################### 42 */ 43 44 /*! 45 * @file MK28FA15 46 * @version 1.3 47 * @date 2018-01-09 48 * @brief Device specific configuration file for MK28FA15 (header file) 49 * 50 * Provides a system configuration function and a global variable that contains 51 * the system frequency. It configures the device and initializes the oscillator 52 * (PLL) that is part of the microcontroller device. 53 */ 54 55 #ifndef _SYSTEM_MK28FA15_H_ 56 #define _SYSTEM_MK28FA15_H_ /**< Symbol preventing repeated inclusion */ 57 58 #ifdef __cplusplus 59 extern "C" { 60 #endif 61 62 #include <stdint.h> 63 64 65 #ifndef DISABLE_WDOG 66 #define DISABLE_WDOG 1 67 #endif 68 69 /* Define clock source values */ 70 71 #define CPU_XTAL_CLK_HZ 12000000U /* Value of the external crystal or oscillator clock frequency of the system oscillator (OSC) in Hz */ 72 #define CPU_XTAL32k_CLK_HZ 32768U /* Value of the external 32k crystal or oscillator clock frequency of the RTC in Hz */ 73 #define CPU_INT_SLOW_CLK_HZ 32768U /* Value of the slow internal oscillator clock frequency in Hz */ 74 #define CPU_INT_FAST_CLK_HZ 4000000U /* Value of the fast internal oscillator clock frequency in Hz */ 75 #define CPU_INT_IRC_CLK_HZ 48000000U /* Value of the 48M internal oscillator clock frequency in Hz */ 76 77 /* RTC oscillator setting */ 78 /* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */ 79 #define SYSTEM_RTC_CR_VALUE 0x0300U /* RTC_CR */ 80 81 /* Low power mode enable */ 82 /* SMC_PMPROT: AHSRUN=1,AVLP=1,ALLS=1,AVLLS=1 */ 83 #define SYSTEM_SMC_PMPROT_VALUE 0xAAU /* SMC_PMPROT */ 84 85 #define DEFAULT_SYSTEM_CLOCK 20971520u 86 87 88 /** 89 * @brief System clock frequency (core clock) 90 * 91 * The system clock frequency supplied to the SysTick timer and the processor 92 * core clock. This variable can be used by the user application to setup the 93 * SysTick timer or configure other parameters. It may also be used by debugger to 94 * query the frequency of the debug timer or configure the trace clock speed 95 * SystemCoreClock is initialized with a correct predefined value. 96 */ 97 extern uint32_t SystemCoreClock; 98 99 /** 100 * @brief Setup the microcontroller system. 101 * 102 * Typically this function configures the oscillator (PLL) that is part of the 103 * microcontroller device. For systems with variable clock speed it also updates 104 * the variable SystemCoreClock. SystemInit is called from startup_device file. 105 */ 106 void SystemInit (void); 107 108 /** 109 * @brief Updates the SystemCoreClock variable. 110 * 111 * It must be called whenever the core clock is changed during program 112 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 113 * the current core clock. 114 */ 115 void SystemCoreClockUpdate (void); 116 117 /** 118 * @brief SystemInit function hook. 119 * 120 * This weak function allows to call specific initialization code during the 121 * SystemInit() execution.This can be used when an application specific code needs 122 * to be called as close to the reset entry as possible (for example the Multicore 123 * Manager MCMGR_EarlyInit() function call). 124 * NOTE: No global r/w variables can be used in this hook function because the 125 * initialization of these variables happens after this function. 126 */ 127 void SystemInitHook (void); 128 129 #ifdef __cplusplus 130 } 131 #endif 132 133 #endif /* _SYSTEM_MK28FA15_H_ */ 134
