/* | |
** ################################################################### | |
** Processors: MKW41Z256VHT4 | |
** MKW41Z512VHT4 | |
** | |
** Compilers: Keil ARM C/C++ Compiler | |
** GNU C Compiler | |
** IAR ANSI C/C++ Compiler for ARM | |
** | |
** Reference manual: MKW41Z512RM Rev. 0.1, 04/2016 | |
** Version: rev. 1.0, 2015-09-23 | |
** Build: b160720 | |
** | |
** Abstract: | |
** Provides a system configuration function and a global variable that | |
** contains the system frequency. It configures the device and initializes | |
** the oscillator (PLL) that is part of the microcontroller device. | |
** | |
** Copyright (c) 2016 Freescale Semiconductor, Inc. | |
** All rights reserved. | |
** | |
** Redistribution and use in source and binary forms, with or without modification, | |
** are permitted provided that the following conditions are met: | |
** | |
** o Redistributions of source code must retain the above copyright notice, this list | |
** of conditions and the following disclaimer. | |
** | |
** o Redistributions in binary form must reproduce the above copyright notice, this | |
** list of conditions and the following disclaimer in the documentation and/or | |
** other materials provided with the distribution. | |
** | |
** o Neither the name of Freescale Semiconductor, Inc. nor the names of its | |
** contributors may be used to endorse or promote products derived from this | |
** software without specific prior written permission. | |
** | |
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR | |
** ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
** ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
** | |
** http: www.freescale.com | |
** mail: support@freescale.com | |
** | |
** Revisions: | |
** - rev. 1.0 (2015-09-23) | |
** Initial version. | |
** | |
** ################################################################### | |
*/ | |
/*! | |
* @file MKW41Z4 | |
* @version 1.0 | |
* @date 2015-09-23 | |
* @brief Device specific configuration file for MKW41Z4 (header file) | |
* | |
* Provides a system configuration function and a global variable that contains | |
* the system frequency. It configures the device and initializes the oscillator | |
* (PLL) that is part of the microcontroller device. | |
*/ | |
#ifndef _SYSTEM_MKW41Z4_H_ | |
#define _SYSTEM_MKW41Z4_H_ /**< Symbol preventing repeated inclusion */ | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
#include <stdint.h> | |
#ifndef DISABLE_WDOG | |
#define DISABLE_WDOG 1 | |
#endif | |
/* Define clock source values */ | |
#define CPU_XTAL_CLK_HZ 32000000u /* Value of the external crystal or oscillator clock frequency in Hz */ | |
#define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ | |
#define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ | |
#define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ | |
/* RF oscillator setting */ | |
#define SYSTEM_RSIM_CONTROL_VALUE 0xC00100U /* Enable RF oscillator in Run/Wait mode */ | |
/* Low power mode enable */ | |
/* SMC_PMPROT: ?=0,?=0,AVLP=1,?=0,?=0,?=0,AVLLS=1,?=0 */ | |
#define SYSTEM_SMC_PMPROT_VALUE (SMC_PMPROT_AVLP_MASK | SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLLS_MASK) /* Mask of allowed low power modes used to initialize power modes protection register */ | |
#define DEFAULT_SYSTEM_CLOCK 20971520U /* Default System clock value */ | |
/** | |
* @brief System clock frequency (core clock) | |
* | |
* The system clock frequency supplied to the SysTick timer and the processor | |
* core clock. This variable can be used by the user application to setup the | |
* SysTick timer or configure other parameters. It may also be used by debugger to | |
* query the frequency of the debug timer or configure the trace clock speed | |
* SystemCoreClock is initialized with a correct predefined value. | |
*/ | |
extern uint32_t SystemCoreClock; | |
/** | |
* @brief Setup the microcontroller system. | |
* | |
* Typically this function configures the oscillator (PLL) that is part of the | |
* microcontroller device. For systems with variable clock speed it also updates | |
* the variable SystemCoreClock. SystemInit is called from startup_device file. | |
*/ | |
void SystemInit (void); | |
/** | |
* @brief Updates the SystemCoreClock variable. | |
* | |
* It must be called whenever the core clock is changed during program | |
* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates | |
* the current core clock. | |
*/ | |
void SystemCoreClockUpdate (void); | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* _SYSTEM_MKW41Z4_H_ */ |