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.0.1, 12/2018 | IMXRT1064SRM Rev.3 15 ** Version: rev. 1.2, 2019-04-29 16 ** Build: b191113 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 2016-2019 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 ** 42 ** ################################################################### 43 */ 44 45 /*! 46 * @file MIMXRT1064 47 * @version 1.2 48 * @date 2019-04-29 49 * @brief Device specific configuration file for MIMXRT1064 (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_MIMXRT1064_H_ 57 #define _SYSTEM_MIMXRT1064_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 CPU_CLK1_HZ 0UL /* Value of the CLK1 (select the CLK1_N/CLK1_P as source) frequency in Hz */ 75 /* If CLOCK1_P,CLOCK1_N is choose as the pll bypass clock source, please implement the CLKPN_FREQ define, otherwise 0 will be returned. */ 76 77 #define DEFAULT_SYSTEM_CLOCK 528000000UL /* Default System clock value */ 78 79 80 /** 81 * @brief System clock frequency (core clock) 82 * 83 * The system clock frequency supplied to the SysTick timer and the processor 84 * core clock. This variable can be used by the user application to setup the 85 * SysTick timer or configure other parameters. It may also be used by debugger to 86 * query the frequency of the debug timer or configure the trace clock speed 87 * SystemCoreClock is initialized with a correct predefined value. 88 */ 89 extern uint32_t SystemCoreClock; 90 91 /** 92 * @brief Setup the microcontroller system. 93 * 94 * Typically this function configures the oscillator (PLL) that is part of the 95 * microcontroller device. For systems with variable clock speed it also updates 96 * the variable SystemCoreClock. SystemInit is called from startup_device file. 97 */ 98 void SystemInit (void); 99 100 /** 101 * @brief Updates the SystemCoreClock variable. 102 * 103 * It must be called whenever the core clock is changed during program 104 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 105 * the current core clock. 106 */ 107 void SystemCoreClockUpdate (void); 108 109 /** 110 * @brief SystemInit function hook. 111 * 112 * This weak function allows to call specific initialization code during the 113 * SystemInit() execution.This can be used when an application specific code needs 114 * to be called as close to the reset entry as possible (for example the Multicore 115 * Manager MCMGR_EarlyInit() function call). 116 * NOTE: No global r/w variables can be used in this hook function because the 117 * initialization of these variables happens after this function. 118 */ 119 void SystemInitHook (void); 120 121 #ifdef __cplusplus 122 } 123 #endif 124 125 #endif /* _SYSTEM_MIMXRT1064_H_ */ 126
