1 /* 2 ** ################################################################### 3 ** Processors: MIMXRT1051CVJ5B 4 ** MIMXRT1051CVL5B 5 ** MIMXRT1051DVJ6B 6 ** MIMXRT1051DVL6B 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: IMXRT1050RM Rev.5, 07/2021 | IMXRT1050SRM Rev.2 15 ** Version: rev. 1.4, 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 (2017-01-10) 34 ** Initial version. 35 ** - rev. 1.0 (2018-09-21) 36 ** Update interrupt vector table and dma request source. 37 ** Update register BEE_ADDR_OFFSET1's bitfield name to ADDR_OFFSET1. 38 ** Split GPIO_COMBINED_IRQS to GPIO_COMBINED_LOW_IRQS and GPIO_COMBINED_HIGH_IRQS. 39 ** - rev. 1.1 (2018-11-16) 40 ** Update header files to align with IMXRT1050RM Rev.1. 41 ** - rev. 1.2 (2018-11-27) 42 ** Update header files to align with IMXRT1050RM Rev.2.1. 43 ** - rev. 1.3 (2019-04-29) 44 ** Add SET/CLR/TOG register group to register CTRL, STAT, CHANNELCTRL, CH0STAT, CH0OPTS, CH1STAT, CH1OPTS, CH2STAT, CH2OPTS, CH3STAT, CH3OPTS of DCP module. 45 ** - rev. 1.4 (2021-08-10) 46 ** Update header files to align with IMXRT1050RM Rev.5. 47 ** 48 ** ################################################################### 49 */ 50 51 /*! 52 * @file MIMXRT1051 53 * @version 1.4 54 * @date 2021-08-10 55 * @brief Device specific configuration file for MIMXRT1051 (header file) 56 * 57 * Provides a system configuration function and a global variable that contains 58 * the system frequency. It configures the device and initializes the oscillator 59 * (PLL) that is part of the microcontroller device. 60 */ 61 62 #ifndef _SYSTEM_MIMXRT1051_H_ 63 #define _SYSTEM_MIMXRT1051_H_ /**< Symbol preventing repeated inclusion */ 64 65 #ifdef __cplusplus 66 extern "C" { 67 #endif 68 69 #include <stdint.h> 70 71 72 #ifndef DISABLE_WDOG 73 #define DISABLE_WDOG 1 74 #endif 75 76 /* Define clock source values */ 77 78 #define CPU_XTAL_CLK_HZ 24000000UL /* Value of the external crystal or oscillator clock frequency in Hz */ 79 80 #define CPU_CLK1_HZ 0UL /* Value of the CLK1 (select the CLK1_N/CLK1_P as source) frequency in Hz */ 81 /* If CLOCK1_P,CLOCK1_N is choose as the pll bypass clock source, please implement the CLKPN_FREQ define, otherwise 0 will be returned. */ 82 83 #define DEFAULT_SYSTEM_CLOCK 528000000UL /* Default System clock value */ 84 85 86 /** 87 * @brief System clock frequency (core clock) 88 * 89 * The system clock frequency supplied to the SysTick timer and the processor 90 * core clock. This variable can be used by the user application to setup the 91 * SysTick timer or configure other parameters. It may also be used by debugger to 92 * query the frequency of the debug timer or configure the trace clock speed 93 * SystemCoreClock is initialized with a correct predefined value. 94 */ 95 extern uint32_t SystemCoreClock; 96 97 /** 98 * @brief Setup the microcontroller system. 99 * 100 * Typically this function configures the oscillator (PLL) that is part of the 101 * microcontroller device. For systems with variable clock speed it also updates 102 * the variable SystemCoreClock. SystemInit is called from startup_device file. 103 */ 104 void SystemInit (void); 105 106 /** 107 * @brief Updates the SystemCoreClock variable. 108 * 109 * It must be called whenever the core clock is changed during program 110 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 111 * the current core clock. 112 */ 113 void SystemCoreClockUpdate (void); 114 115 /** 116 * @brief SystemInit function hook. 117 * 118 * This weak function allows to call specific initialization code during the 119 * SystemInit() execution.This can be used when an application specific code needs 120 * to be called as close to the reset entry as possible (for example the Multicore 121 * Manager MCMGR_EarlyInit() function call). 122 * NOTE: No global r/w variables can be used in this hook function because the 123 * initialization of these variables happens after this function. 124 */ 125 void SystemInitHook (void); 126 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* _SYSTEM_MIMXRT1051_H_ */ 132
