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/*
** ###################################################################
** Processors: MK20DN512VLK10
** MK20DN512VLL10
** MK20DN512VLQ10
** MK20DN512VMC10
** MK20DN512VMD10
** MK20DX128VLQ10
** MK20DX128VMD10
** MK20DX256VLK10
** MK20DX256VLL10
** MK20DX256VLQ10
** MK20DX256VMC10
** MK20DX256VMD10
**
** Compilers: Keil ARM C/C++ Compiler
** Freescale C/C++ for Embedded ARM
** GNU C Compiler
** IAR ANSI C/C++ Compiler for ARM
**
** Reference manual: K20P144M100SF2V2RM Rev. 2, Jun 2012
** Version: rev. 1.9, 2015-07-29
** Build: b151217
**
** 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) 2015 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 (2012-01-03)
** Initial version
** - rev. 1.1 (2012-04-13)
** Added new #define symbol MCU_MEM_MAP_VERSION_MINOR.
** Added new #define symbols <peripheralType>_BASE_PTRS.
** - rev. 1.2 (2012-07-09)
** UART0 - Fixed register definition - CEA709.1-B (LON) registers added.
** - rev. 1.3 (2012-10-29)
** Registers updated according to the new reference manual revision - Rev. 2, Jun 2012
** - rev. 1.4 (2013-04-05)
** Changed start of doxygen comment.
** - rev. 1.5 (2013-06-24)
** NV_FOPT register - NMI_DIS bit added.
** SPI - PCSIS bit group in MCR register updated.
** - rev. 1.6 (2014-07-23)
** Delay of 1 ms added to SystemInit() to ensure stable FLL output in FEI and FEE MCG modes.
** Predefined SystemInit() implementation updated:
** - External clock sources available on TWR board used.
** - Added 1 ms waiting loop after entering FLL engaged MCG mode.
** - rev. 1.7 (2014-08-28)
** Update of startup files - possibility to override DefaultISR added.
** - rev. 1.8 (2014-10-14)
** Renamed interrupt vector Watchdog to WDOG_EWM and LPTimer to LPTMR0
** - rev. 1.9 (2015-07-29)
** Correction of backward compatibility.
**
** ###################################################################
*/
/*!
* @file MK20D10
* @version 1.9
* @date 2015-07-29
* @brief Device specific configuration file for MK20D10 (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_MK20D10_H_
#define _SYSTEM_MK20D10_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 of the system oscillator (OSC) in Hz */
#define CPU_XTAL32k_CLK_HZ 32768U /* Value of the external 32k crystal or oscillator clock frequency of the RTC 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 */
/* Low power mode enable */
/* SMC_PMPROT: AVLP=1,ALLS=1,AVLLS=1 */
#define SYSTEM_SMC_PMPROT_VALUE 0x2AU /* 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);
#ifdef __cplusplus
}
#endif
#endif /* _SYSTEM_MK20D10_H_ */
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