1 /* 2 ** ################################################################### 3 ** Processors: MIMXRT1064CVJ5A 4 ** MIMXRT1064CVL5A 5 ** MIMXRT1064DVJ6A 6 ** MIMXRT1064DVL6A 7 ** 8 ** Compilers: Freescale C/C++ for Embedded ARM 9 ** GNU C Compiler 10 ** IAR ANSI C/C++ Compiler for ARM 11 ** Keil ARM C/C++ Compiler 12 ** MCUXpresso Compiler 13 ** 14 ** Reference manual: IMXRT1064RM Rev.2, 07/2021 | IMXRT106XSRM Rev.0 15 ** Version: rev. 1.3, 2021-08-10 16 ** Build: b210811 17 ** 18 ** Abstract: 19 ** Provides a system configuration function and a global variable that 20 ** contains the system frequency. It configures the device and initializes 21 ** the oscillator (PLL) that is part of the microcontroller device. 22 ** 23 ** Copyright 2016 Freescale Semiconductor, Inc. 24 ** Copyright 2016-2021 NXP 25 ** All rights reserved. 26 ** 27 ** SPDX-License-Identifier: BSD-3-Clause 28 ** 29 ** http: www.nxp.com 30 ** mail: support@nxp.com 31 ** 32 ** Revisions: 33 ** - rev. 0.1 (2018-06-22) 34 ** Initial version. 35 ** - rev. 1.0 (2018-11-16) 36 ** Update header files to align with IMXRT1064RM Rev.0. 37 ** - rev. 1.1 (2018-11-27) 38 ** Update header files to align with IMXRT1064RM Rev.0.1. 39 ** - rev. 1.2 (2019-04-29) 40 ** Add SET/CLR/TOG register group to register CTRL, STAT, CHANNELCTRL, CH0STAT, CH0OPTS, CH1STAT, CH1OPTS, CH2STAT, CH2OPTS, CH3STAT, CH3OPTS of DCP module. 41 ** - rev. 1.3 (2021-08-10) 42 ** Update header files to align with IMXRT1064RM Rev.2. 43 ** 44 ** ################################################################### 45 */ 46 47 /*! 48 * @file MIMXRT1064 49 * @version 1.3 50 * @date 2021-08-10 51 * @brief Device specific configuration file for MIMXRT1064 (header file) 52 * 53 * Provides a system configuration function and a global variable that contains 54 * the system frequency. It configures the device and initializes the oscillator 55 * (PLL) that is part of the microcontroller device. 56 */ 57 58 #ifndef _SYSTEM_MIMXRT1064_H_ 59 #define _SYSTEM_MIMXRT1064_H_ /**< Symbol preventing repeated inclusion */ 60 61 #ifdef __cplusplus 62 extern "C" { 63 #endif 64 65 #include <stdint.h> 66 67 68 #ifndef DISABLE_WDOG 69 #define DISABLE_WDOG 1 70 #endif 71 72 /* Define clock source values */ 73 74 #define CPU_XTAL_CLK_HZ 24000000UL /* Value of the external crystal or oscillator clock frequency in Hz */ 75 76 #define CPU_CLK1_HZ 0UL /* Value of the CLK1 (select the CLK1_N/CLK1_P as source) frequency in Hz */ 77 /* If CLOCK1_P,CLOCK1_N is choose as the pll bypass clock source, please implement the CLKPN_FREQ define, otherwise 0 will be returned. */ 78 79 #define DEFAULT_SYSTEM_CLOCK 528000000UL /* Default System clock value */ 80 81 82 /** 83 * @brief System clock frequency (core clock) 84 * 85 * The system clock frequency supplied to the SysTick timer and the processor 86 * core clock. This variable can be used by the user application to setup the 87 * SysTick timer or configure other parameters. It may also be used by debugger to 88 * query the frequency of the debug timer or configure the trace clock speed 89 * SystemCoreClock is initialized with a correct predefined value. 90 */ 91 extern uint32_t SystemCoreClock; 92 93 /** 94 * @brief Setup the microcontroller system. 95 * 96 * Typically this function configures the oscillator (PLL) that is part of the 97 * microcontroller device. For systems with variable clock speed it also updates 98 * the variable SystemCoreClock. SystemInit is called from startup_device file. 99 */ 100 void SystemInit (void); 101 102 /** 103 * @brief Updates the SystemCoreClock variable. 104 * 105 * It must be called whenever the core clock is changed during program 106 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 107 * the current core clock. 108 */ 109 void SystemCoreClockUpdate (void); 110 111 /** 112 * @brief SystemInit function hook. 113 * 114 * This weak function allows to call specific initialization code during the 115 * SystemInit() execution.This can be used when an application specific code needs 116 * to be called as close to the reset entry as possible (for example the Multicore 117 * Manager MCMGR_EarlyInit() function call). 118 * NOTE: No global r/w variables can be used in this hook function because the 119 * initialization of these variables happens after this function. 120 */ 121 void SystemInitHook (void); 122 123 #ifdef __cplusplus 124 } 125 #endif 126 127 #endif /* _SYSTEM_MIMXRT1064_H_ */ 128