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targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/system_MKL05Z4.h
- Committer:
- todotani
- Date:
- 2014-09-05
- Revision:
- 308:59cc78a25982
- Parent:
- 99:6b967e9f1a5d
File content as of revision 308:59cc78a25982:
/* ** ################################################################### ** Processors: MKL05Z32FK4 ** MKL05Z32LC4 ** MKL05Z32VLF4 ** ** Compilers: ARM Compiler ** Freescale C/C++ for Embedded ARM ** GNU C Compiler ** IAR ANSI C/C++ Compiler for ARM ** ** Reference manual: KL05P48M48SF1RM, Rev.3, Sep 2012 ** Version: rev. 1.6, 2013-04-11 ** ** 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: 2013 Freescale, Inc. All Rights Reserved. ** ** http: www.freescale.com ** mail: support@freescale.com ** ** Revisions: ** - rev. 1.0 (2012-06-08) ** Initial version. ** - rev. 1.1 (2012-06-21) ** Update according to reference manual rev. 1. ** - rev. 1.2 (2012-08-01) ** Device type UARTLP changed to UART0. ** Missing PORTB_IRQn interrupt number definition added. ** - rev. 1.3 (2012-10-04) ** Update according to reference manual rev. 3. ** - rev. 1.4 (2012-11-22) ** MCG module - bit LOLS in MCG_S register renamed to LOLS0. ** NV registers - bit EZPORT_DIS in NV_FOPT register removed. ** - rev. 1.5 (2013-04-05) ** Changed start of doxygen comment. ** - rev. 1.6 (2013-04-11) ** SystemInit methods updated with predefined initialization sequence. ** ** ################################################################### */ /*! * @file MKL05Z4 * @version 1.6 * @date 2013-04-11 * @brief Device specific configuration file for MKL05Z4 (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_MKL05Z4_H_ #define SYSTEM_MKL05Z4_H_ /**< Symbol preventing repeated inclusion */ #ifdef __cplusplus extern "C" { #endif #include <stdint.h> /** * @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 /* #if !defined(SYSTEM_MKL05Z4_H_) */