1 /* 2 ** ################################################################### 3 ** Processors: MIMXRT1015CAF4A 4 ** MIMXRT1015DAF5A 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: IMXRT1015RM Rev.1, 02/2021 | IMXRT102XSRM Rev.0 13 ** Version: rev. 1.3, 2021-08-10 14 ** Build: b210810 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 2016-2021 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. 0.1 (2018-11-05) 32 ** Initial version. 33 ** - rev. 1.0 (2019-01-18) 34 ** Rev.0 Header GA 35 ** - rev. 1.1 (2019-02-20) 36 ** Update register SRC_SRSR's bitfield LOCKUP_SYSRESETREQ to LOCKUP. 37 ** - rev. 1.2 (2019-04-29) 38 ** Add SET/CLR/TOG register group to register CTRL, STAT, CHANNELCTRL, CH0STAT, CH0OPTS, CH1STAT, CH1OPTS, CH2STAT, CH2OPTS, CH3STAT, CH3OPTS of DCP module. 39 ** - rev. 1.3 (2021-08-10) 40 ** Update header files to align with IMXRT1015RM Rev.1. 41 ** 42 ** ################################################################### 43 */ 44 45 /*! 46 * @file MIMXRT1015 47 * @version 1.3 48 * @date 2021-08-10 49 * @brief Device specific configuration file for MIMXRT1015 (header file) 50 * 51 * Provides a system configuration function and a global variable that contains 52 * the system frequency. It configures the device and initializes the oscillator 53 * (PLL) that is part of the microcontroller device. 54 */ 55 56 #ifndef _SYSTEM_MIMXRT1015_H_ 57 #define _SYSTEM_MIMXRT1015_H_ /**< Symbol preventing repeated inclusion */ 58 59 #ifdef __cplusplus 60 extern "C" { 61 #endif 62 63 #include <stdint.h> 64 65 66 #ifndef DISABLE_WDOG 67 #define DISABLE_WDOG 1 68 #endif 69 70 /* Define clock source values */ 71 72 #define CPU_XTAL_CLK_HZ 24000000UL /* Value of the external crystal or oscillator clock frequency in Hz */ 73 74 #define DEFAULT_SYSTEM_CLOCK 297000000UL /* Default System clock value */ 75 76 77 /** 78 * @brief System clock frequency (core clock) 79 * 80 * The system clock frequency supplied to the SysTick timer and the processor 81 * core clock. This variable can be used by the user application to setup the 82 * SysTick timer or configure other parameters. It may also be used by debugger to 83 * query the frequency of the debug timer or configure the trace clock speed 84 * SystemCoreClock is initialized with a correct predefined value. 85 */ 86 extern uint32_t SystemCoreClock; 87 88 /** 89 * @brief Setup the microcontroller system. 90 * 91 * Typically this function configures the oscillator (PLL) that is part of the 92 * microcontroller device. For systems with variable clock speed it also updates 93 * the variable SystemCoreClock. SystemInit is called from startup_device file. 94 */ 95 void SystemInit (void); 96 97 /** 98 * @brief Updates the SystemCoreClock variable. 99 * 100 * It must be called whenever the core clock is changed during program 101 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 102 * the current core clock. 103 */ 104 void SystemCoreClockUpdate (void); 105 106 /** 107 * @brief SystemInit function hook. 108 * 109 * This weak function allows to call specific initialization code during the 110 * SystemInit() execution.This can be used when an application specific code needs 111 * to be called as close to the reset entry as possible (for example the Multicore 112 * Manager MCMGR_EarlyInit() function call). 113 * NOTE: No global r/w variables can be used in this hook function because the 114 * initialization of these variables happens after this function. 115 */ 116 void SystemInitHook (void); 117 118 #ifdef __cplusplus 119 } 120 #endif 121 122 #endif /* _SYSTEM_MIMXRT1015_H_ */ 123
