You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
159 lines
6.2 KiB
159 lines
6.2 KiB
/*
|
|
** ###################################################################
|
|
** Processors: MK22FN512CAP12
|
|
** MK22FN512VDC12
|
|
** MK22FN512VFX12
|
|
** MK22FN512VLH12
|
|
** MK22FN512VLL12
|
|
** MK22FN512VMP12
|
|
**
|
|
** Compilers: Freescale C/C++ for Embedded ARM
|
|
** GNU C Compiler
|
|
** IAR ANSI C/C++ Compiler for ARM
|
|
** Keil ARM C/C++ Compiler
|
|
** MCUXpresso Compiler
|
|
**
|
|
** Reference manual: K22P121M120SF7RM, Rev. 1, March 24, 2014
|
|
** Version: rev. 2.9, 2016-03-21
|
|
** Build: b181105
|
|
**
|
|
** 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 2016 Freescale Semiconductor, Inc.
|
|
** Copyright 2016-2018 NXP
|
|
** All rights reserved.
|
|
**
|
|
** SPDX-License-Identifier: BSD-3-Clause
|
|
**
|
|
** http: www.nxp.com
|
|
** mail: support@nxp.com
|
|
**
|
|
** Revisions:
|
|
** - rev. 1.0 (2013-07-23)
|
|
** Initial version.
|
|
** - rev. 1.1 (2013-09-17)
|
|
** RM rev. 0.4 update.
|
|
** - rev. 2.0 (2013-10-29)
|
|
** Register accessor macros added to the memory map.
|
|
** Symbols for Processor Expert memory map compatibility added to the memory map.
|
|
** Startup file for gcc has been updated according to CMSIS 3.2.
|
|
** System initialization updated.
|
|
** - rev. 2.1 (2013-10-30)
|
|
** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled.
|
|
** - rev. 2.2 (2013-12-20)
|
|
** Update according to reference manual rev. 0.6,
|
|
** - rev. 2.3 (2014-01-13)
|
|
** Update according to reference manual rev. 0.61,
|
|
** - rev. 2.4 (2014-02-10)
|
|
** The declaration of clock configurations has been moved to separate header file system_MK22F51212.h
|
|
** - rev. 2.5 (2014-05-06)
|
|
** Update according to reference manual rev. 1.0,
|
|
** Update of system and startup files.
|
|
** Module access macro module_BASES replaced by module_BASE_PTRS.
|
|
** - rev. 2.6 (2014-08-28)
|
|
** Update of system files - default clock configuration changed.
|
|
** Update of startup files - possibility to override DefaultISR added.
|
|
** - rev. 2.7 (2014-10-14)
|
|
** Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog renamed to INT_WDOG_EWM.
|
|
** - rev. 2.8 (2015-02-19)
|
|
** Renamed interrupt vector LLW to LLWU.
|
|
** - rev. 2.9 (2016-03-21)
|
|
** Added MK22FN512VFX12 part.
|
|
** GPIO - renamed port instances: PTx -> GPIOx.
|
|
**
|
|
** ###################################################################
|
|
*/
|
|
|
|
/*!
|
|
* @file MK22F51212
|
|
* @version 2.9
|
|
* @date 2016-03-21
|
|
* @brief Device specific configuration file for MK22F51212 (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_MK22F51212_H_
|
|
#define _SYSTEM_MK22F51212_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 8000000u /* 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 */
|
|
#define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */
|
|
|
|
/* RTC oscillator setting */
|
|
/* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */
|
|
#define SYSTEM_RTC_CR_VALUE 0x0300U /* RTC_CR */
|
|
|
|
/* Low power mode enable */
|
|
/* SMC_PMPROT: AHSRUN=1,AVLP=1,ALLS=1,AVLLS=1 */
|
|
#define SYSTEM_SMC_PMPROT_VALUE 0xAAU /* SMC_PMPROT */
|
|
|
|
#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);
|
|
|
|
/**
|
|
* @brief SystemInit function hook.
|
|
*
|
|
* This weak function allows to call specific initialization code during the
|
|
* SystemInit() execution.This can be used when an application specific code needs
|
|
* to be called as close to the reset entry as possible (for example the Multicore
|
|
* Manager MCMGR_EarlyInit() function call).
|
|
* NOTE: No global r/w variables can be used in this hook function because the
|
|
* initialization of these variables happens after this function.
|
|
*/
|
|
void SystemInitHook (void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYSTEM_MK22F51212_H_ */
|
|
|