1 /* 2 ** ################################################################### 3 ** Processors: RW610ETA2I 4 ** RW610HNA2I 5 ** RW610UKA2I 6 ** 7 ** Compilers: GNU C Compiler 8 ** IAR ANSI C/C++ Compiler for ARM 9 ** Keil ARM C/C++ Compiler 10 ** MCUXpresso Compiler 11 ** 12 ** Reference manual: RW61X User manual Rev. 0.95, June 2022 13 ** Version: rev. 1.0, 2021-03-16 14 ** Build: b231201 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 2016-2023 NXP 23 ** SPDX-License-Identifier: BSD-3-Clause 24 ** 25 ** http: www.nxp.com 26 ** mail: support@nxp.com 27 ** 28 ** Revisions: 29 ** - rev. 1.0 (2021-03-16) 30 ** Initial version. 31 ** 32 ** ################################################################### 33 */ 34 35 /*! 36 * @file RW610 37 * @version 1.0 38 * @date 2023-12-01 39 * @brief Device specific configuration file for RW610 (header file) 40 * 41 * Provides a system configuration function and a global variable that contains 42 * the system frequency. It configures the device and initializes the oscillator 43 * (PLL) that is part of the microcontroller device. 44 */ 45 #ifndef _SYSTEM_RW610_H_ 46 #define _SYSTEM_RW610_H_ /**< Symbol preventing repeated inclusion */ 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 #include <stdint.h> 53 54 #define CLK_XTAL_OSC_CLK_38400KHZ 38400000u /* XTAL OSC frequency 38.4MHz */ 55 #define CLK_XTAL_OSC_CLK_40000KHZ 40000000u /* XTAL OSC frequency 40MHz */ 56 57 #ifndef CLK_XTAL_OSC_CLK 58 #define CLK_XTAL_OSC_CLK \ 59 (((AON_SOC_CIU->STRAP_RDBK & 0x20U) == 0U) ? CLK_XTAL_OSC_CLK_38400KHZ : CLK_XTAL_OSC_CLK_40000KHZ) 60 #endif 61 #define CLK_RTC_32K_CLK 32768u /* RTC oscillator 32 kHz (32k_clk) */ 62 #ifndef CLK_EXT_CLKIN 63 #define CLK_EXT_CLKIN 0u /* Default external CLKIN pin clock */ 64 #endif 65 #define DEFAULT_SYSTEM_CLOCK 260000000u /* Default System clock value */ 66 67 /** 68 * @brief System clock frequency (core clock) 69 * 70 * The system clock frequency supplied to the SysTick timer and the processor 71 * core clock. This variable can be used by the user application to setup the 72 * SysTick timer or configure other parameters. It may also be used by debugger to 73 * query the frequency of the debug timer or configure the trace clock speed 74 * SystemCoreClock is initialized with a correct predefined value. 75 */ 76 extern uint32_t SystemCoreClock; 77 78 /** 79 * @brief Setup the microcontroller system. 80 * 81 * Typically this function configures the oscillator (PLL) that is part of the 82 * microcontroller device. For systems with variable clock speed it also updates 83 * the variable SystemCoreClock. SystemInit is called from startup_device file. 84 */ 85 void SystemInit(void); 86 87 /** 88 * @brief Updates the SystemCoreClock variable. 89 * 90 * It must be called whenever the core clock is changed during program 91 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 92 * the current core clock. 93 */ 94 void SystemCoreClockUpdate(void); 95 96 /** 97 * @brief SystemInit function hook. 98 * 99 * This weak function allows to call specific initialization code during the 100 * SystemInit() execution.This can be used when an application specific code needs 101 * to be called as close to the reset entry as possible (for example the Multicore 102 * Manager MCMGR_EarlyInit() function call). 103 * NOTE: No global r/w variables can be used in this hook function because the 104 * initialization of these variables happens after this function. 105 */ 106 void SystemInitHook(void); 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif /* _SYSTEM_RW610_H_ */ 113
