163 lines
6.5 KiB
C
163 lines
6.5 KiB
C
/*
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** ###################################################################
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** Processors: MKS22FN128VFT12
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** MKS22FN128VLH12
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** MKS22FN128VLL12
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** MKS22FN256VFT12
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** MKS22FN256VLH12
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** MKS22FN256VLL12
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**
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** Compilers: Keil ARM C/C++ Compiler
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** Freescale C/C++ for Embedded ARM
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** GNU C Compiler
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** IAR ANSI C/C++ Compiler for ARM
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** MCUXpresso Compiler
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**
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** Reference manual: KS22P100M120SF0RM, Rev. 3, May, 2016
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** Version: rev. 2.1, 2017-06-09
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** Build: b171226
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**
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** Abstract:
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** Provides a system configuration function and a global variable that
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** contains the system frequency. It configures the device and initializes
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** the oscillator (PLL) that is part of the microcontroller device.
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**
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** The Clear BSD License
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** Copyright 2016 Freescale Semiconductor, Inc.
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** Copyright 2016-2017 NXP
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted (subject to the limitations in the
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** disclaimer below) provided that the following conditions are met:
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**
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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**
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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**
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** * Neither the name of the copyright holder nor the names of its
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** contributors may be used to endorse or promote products derived from
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** this software without specific prior written permission.
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**
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** NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
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** GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
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** HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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** IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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** http: www.nxp.com
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** mail: support@nxp.com
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**
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** Revisions:
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** - rev. 1.0 (2015-06-23)
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** Initial version.
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** - rev. 2.0 (2015-10-10)
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** Update according to Rev1 RM, Sep 2015.
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** - rev. 2.1 (2017-06-09)
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** Update according to Rev3 RM, May 2016.
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**
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** ###################################################################
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*/
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/*!
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* @file MKS22F12
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* @version 2.1
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* @date 2017-06-09
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* @brief Device specific configuration file for MKS22F12 (header file)
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*
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* Provides a system configuration function and a global variable that contains
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* the system frequency. It configures the device and initializes the oscillator
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* (PLL) that is part of the microcontroller device.
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*/
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#ifndef _SYSTEM_MKS22F12_H_
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#define _SYSTEM_MKS22F12_H_ /**< Symbol preventing repeated inclusion */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#ifndef DISABLE_WDOG
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#define DISABLE_WDOG 1
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#endif
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/* Define clock source values */
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#define CPU_XTAL_CLK_HZ 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */
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#define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */
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#define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */
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#define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */
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#define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */
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/* RTC oscillator setting */
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/* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */
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#define SYSTEM_RTC_CR_VALUE 0x0300U /* RTC_CR */
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/* Low power mode enable */
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/* SMC_PMPROT: AHSRUN=1,AVLP=1,ALLS=1,AVLLS=1 */
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#define SYSTEM_SMC_PMPROT_VALUE 0xAAU /* SMC_PMPROT */
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#define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */
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/**
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* @brief System clock frequency (core clock)
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*
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* The system clock frequency supplied to the SysTick timer and the processor
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* core clock. This variable can be used by the user application to setup the
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* SysTick timer or configure other parameters. It may also be used by debugger to
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* query the frequency of the debug timer or configure the trace clock speed
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* SystemCoreClock is initialized with a correct predefined value.
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*/
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extern uint32_t SystemCoreClock;
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/**
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* @brief Setup the microcontroller system.
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*
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* Typically this function configures the oscillator (PLL) that is part of the
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* microcontroller device. For systems with variable clock speed it also updates
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* the variable SystemCoreClock. SystemInit is called from startup_device file.
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*/
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void SystemInit (void);
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/**
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* @brief Updates the SystemCoreClock variable.
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*
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* It must be called whenever the core clock is changed during program
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* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
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* the current core clock.
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*/
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void SystemCoreClockUpdate (void);
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/**
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* @brief SystemInit function hook.
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*
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* This weak function allows to call specific initialization code during the
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* SystemInit() execution.This can be used when an application specific code needs
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* to be called as close to the reset entry as possible (for example the Multicore
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* Manager MCMGR_EarlyInit() function call).
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* NOTE: No global r/w variables can be used in this hook function because the
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* initialization of these variables happens after this function.
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*/
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void SystemInitHook (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSTEM_MKS22F12_H_ */
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