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Diffstat (limited to 'startup/system_MK20D10.h')
| -rw-r--r-- | startup/system_MK20D10.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/startup/system_MK20D10.h b/startup/system_MK20D10.h new file mode 100644 index 0000000..30d9c76 --- /dev/null +++ b/startup/system_MK20D10.h @@ -0,0 +1,166 @@ +/* +** ################################################################### +** 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_ */ |