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Diff: targets/cmsis/TARGET_Freescale/TARGET_K66F/system_MK66F18.h
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_Freescale/TARGET_K66F/system_MK66F18.h Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,154 @@ +/* +** ################################################################### +** Processors: MK66FN2M0VLQ18 +** MK66FN2M0VMD18 +** MK66FX1M0VLQ18 +** MK66FX1M0VMD18 +** +** Compilers: Keil ARM C/C++ Compiler +** Freescale C/C++ for Embedded ARM +** GNU C Compiler +** IAR ANSI C/C++ Compiler for ARM +** +** Reference manual: K66P144M180SF5RMV2, Rev. 1, Mar 2015 +** Version: rev. 3.0, 2015-03-25 +** Build: b151216 +** +** 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 (2013-09-02) +** Initial version. +** - rev. 2.0 (2014-02-17) +** 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. +** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled. +** Update according to reference manual rev. 2 +** - rev. 2.1 (2014-04-16) +** Update of SystemInit() and SystemCoreClockUpdate() functions. +** - rev. 2.2 (2014-10-14) +** Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog renamed to INT_WDOG_EWM. +** - rev. 2.3 (2014-11-20) +** Update according to reverence manual K65P169M180SF5RMV2_NDA, Rev. 0 Draft A, October 2014. +** Update of SystemInit() to use 16MHz external crystal. +** - rev. 2.4 (2015-02-19) +** Renamed interrupt vector LLW to LLWU. +** - rev. 3.0 (2015-03-25) +** Registers updated according to the reference manual revision 1, March 2015 +** +** ################################################################### +*/ + +/*! + * @file MK66F18 + * @version 3.0 + * @date 2015-03-25 + * @brief Device specific configuration file for MK66F18 (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_MK66F18_H_ +#define _SYSTEM_MK66F18_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 16000000U /* 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 */ +#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 + + +/** + * @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_MK66F18_H_ */