Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

KL25Z/system_MKL25Z4.h@9:663789d7729f, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 09:41:56 2013 +0000
Revision:
9:663789d7729f
Parent:
2:e9a661555b58 
Update mbed-KL25Z to latest build

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 2:e9a661555b58 1 /*
emilmont 2:e9a661555b58 2 ** ###################################################################
emilmont 2:e9a661555b58 3 ** Processor: MKL25Z128VLK4
emilmont 2:e9a661555b58 4 ** Compilers: ARM Compiler
emilmont 2:e9a661555b58 5 ** Freescale C/C++ for Embedded ARM
emilmont 2:e9a661555b58 6 ** GNU C Compiler
emilmont 2:e9a661555b58 7 ** IAR ANSI C/C++ Compiler for ARM
emilmont 2:e9a661555b58 8 **
emilmont 2:e9a661555b58 9 ** Reference manual: KL25RM, Rev.1, Jun 2012
emilmont 2:e9a661555b58 10 ** Version: rev. 1.1, 2012-06-21
emilmont 2:e9a661555b58 11 **
emilmont 2:e9a661555b58 12 ** Abstract:
emilmont 2:e9a661555b58 13 ** Provides a system configuration function and a global variable that
emilmont 2:e9a661555b58 14 ** contains the system frequency. It configures the device and initializes
emilmont 2:e9a661555b58 15 ** the oscillator (PLL) that is part of the microcontroller device.
emilmont 2:e9a661555b58 16 **
emilmont 2:e9a661555b58 17 ** Copyright: 2012 Freescale Semiconductor, Inc. All Rights Reserved.
emilmont 2:e9a661555b58 18 **
emilmont 2:e9a661555b58 19 ** http: www.freescale.com
emilmont 2:e9a661555b58 20 ** mail: support@freescale.com
emilmont 2:e9a661555b58 21 **
emilmont 2:e9a661555b58 22 ** Revisions:
emilmont 2:e9a661555b58 23 ** - rev. 1.0 (2012-06-13)
emilmont 2:e9a661555b58 24 ** Initial version.
emilmont 2:e9a661555b58 25 ** - rev. 1.1 (2012-06-21)
emilmont 2:e9a661555b58 26 ** Update according to reference manual rev. 1.
emilmont 2:e9a661555b58 27 **
emilmont 2:e9a661555b58 28 ** ###################################################################
emilmont 2:e9a661555b58 29 */
emilmont 2:e9a661555b58 30
emilmont 2:e9a661555b58 31 /**
emilmont 2:e9a661555b58 32 * @file MKL25Z4
emilmont 2:e9a661555b58 33 * @version 1.1
emilmont 2:e9a661555b58 34 * @date 2012-06-21
emilmont 2:e9a661555b58 35 * @brief Device specific configuration file for MKL25Z4 (header file)
emilmont 2:e9a661555b58 36 *
emilmont 2:e9a661555b58 37 * Provides a system configuration function and a global variable that contains
emilmont 2:e9a661555b58 38 * the system frequency. It configures the device and initializes the oscillator
emilmont 2:e9a661555b58 39 * (PLL) that is part of the microcontroller device.
emilmont 2:e9a661555b58 40 */
emilmont 2:e9a661555b58 41
emilmont 2:e9a661555b58 42 #ifndef SYSTEM_MKL25Z4_H_
emilmont 2:e9a661555b58 43 #define SYSTEM_MKL25Z4_H_ /**< Symbol preventing repeated inclusion */
emilmont 2:e9a661555b58 44
emilmont 2:e9a661555b58 45 #ifdef __cplusplus
emilmont 2:e9a661555b58 46 extern "C" {
emilmont 2:e9a661555b58 47 #endif
emilmont 2:e9a661555b58 48
emilmont 2:e9a661555b58 49 #include <stdint.h>
emilmont 2:e9a661555b58 50
emilmont 2:e9a661555b58 51 /**
emilmont 2:e9a661555b58 52 * @brief System clock frequency (core clock)
emilmont 2:e9a661555b58 53 *
emilmont 2:e9a661555b58 54 * The system clock frequency supplied to the SysTick timer and the processor
emilmont 2:e9a661555b58 55 * core clock. This variable can be used by the user application to setup the
emilmont 2:e9a661555b58 56 * SysTick timer or configure other parameters. It may also be used by debugger to
emilmont 2:e9a661555b58 57 * query the frequency of the debug timer or configure the trace clock speed
emilmont 2:e9a661555b58 58 * SystemCoreClock is initialized with a correct predefined value.
emilmont 2:e9a661555b58 59 */
emilmont 2:e9a661555b58 60 extern uint32_t SystemCoreClock;
emilmont 2:e9a661555b58 61
emilmont 2:e9a661555b58 62 /**
emilmont 2:e9a661555b58 63 * @brief Setup the microcontroller system.
emilmont 2:e9a661555b58 64 *
emilmont 2:e9a661555b58 65 * Typically this function configures the oscillator (PLL) that is part of the
emilmont 2:e9a661555b58 66 * microcontroller device. For systems with variable clock speed it also updates
emilmont 2:e9a661555b58 67 * the variable SystemCoreClock. SystemInit is called from startup_device file.
emilmont 2:e9a661555b58 68 */
emilmont 2:e9a661555b58 69 void SystemInit (void);
emilmont 2:e9a661555b58 70
emilmont 2:e9a661555b58 71 /**
emilmont 2:e9a661555b58 72 * @brief Updates the SystemCoreClock variable.
emilmont 2:e9a661555b58 73 *
emilmont 2:e9a661555b58 74 * It must be called whenever the core clock is changed during program
emilmont 2:e9a661555b58 75 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
emilmont 2:e9a661555b58 76 * the current core clock.
emilmont 2:e9a661555b58 77 */
emilmont 2:e9a661555b58 78 void SystemCoreClockUpdate (void);
emilmont 2:e9a661555b58 79
emilmont 2:e9a661555b58 80 #ifdef __cplusplus
emilmont 2:e9a661555b58 81 }
emilmont 2:e9a661555b58 82 #endif
emilmont 2:e9a661555b58 83
emilmont 2:e9a661555b58 84 #endif /* #if !defined(SYSTEM_MKL25Z4_H_) */