mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/system_MKL25Z4.h@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /*
bogdanm 0:9b334a45a8ff 2 ** ###################################################################
bogdanm 0:9b334a45a8ff 3 ** Processor: MKL25Z128VLK4
bogdanm 0:9b334a45a8ff 4 ** Compilers: ARM Compiler
bogdanm 0:9b334a45a8ff 5 ** Freescale C/C++ for Embedded ARM
bogdanm 0:9b334a45a8ff 6 ** GNU C Compiler
bogdanm 0:9b334a45a8ff 7 ** IAR ANSI C/C++ Compiler for ARM
bogdanm 0:9b334a45a8ff 8 **
bogdanm 0:9b334a45a8ff 9 ** Reference manual: KL25RM, Rev.1, Jun 2012
bogdanm 0:9b334a45a8ff 10 ** Version: rev. 1.1, 2012-06-21
bogdanm 0:9b334a45a8ff 11 **
bogdanm 0:9b334a45a8ff 12 ** Abstract:
bogdanm 0:9b334a45a8ff 13 ** Provides a system configuration function and a global variable that
bogdanm 0:9b334a45a8ff 14 ** contains the system frequency. It configures the device and initializes
bogdanm 0:9b334a45a8ff 15 ** the oscillator (PLL) that is part of the microcontroller device.
bogdanm 0:9b334a45a8ff 16 **
bogdanm 0:9b334a45a8ff 17 ** Copyright: 2012 Freescale Semiconductor, Inc. All Rights Reserved.
bogdanm 0:9b334a45a8ff 18 **
bogdanm 0:9b334a45a8ff 19 ** http: www.freescale.com
bogdanm 0:9b334a45a8ff 20 ** mail: support@freescale.com
bogdanm 0:9b334a45a8ff 21 **
bogdanm 0:9b334a45a8ff 22 ** Revisions:
bogdanm 0:9b334a45a8ff 23 ** - rev. 1.0 (2012-06-13)
bogdanm 0:9b334a45a8ff 24 ** Initial version.
bogdanm 0:9b334a45a8ff 25 ** - rev. 1.1 (2012-06-21)
bogdanm 0:9b334a45a8ff 26 ** Update according to reference manual rev. 1.
bogdanm 0:9b334a45a8ff 27 **
bogdanm 0:9b334a45a8ff 28 ** ###################################################################
bogdanm 0:9b334a45a8ff 29 */
bogdanm 0:9b334a45a8ff 30
bogdanm 0:9b334a45a8ff 31 /**
bogdanm 0:9b334a45a8ff 32 * @file MKL25Z4
bogdanm 0:9b334a45a8ff 33 * @version 1.1
bogdanm 0:9b334a45a8ff 34 * @date 2012-06-21
bogdanm 0:9b334a45a8ff 35 * @brief Device specific configuration file for MKL25Z4 (header file)
bogdanm 0:9b334a45a8ff 36 *
bogdanm 0:9b334a45a8ff 37 * Provides a system configuration function and a global variable that contains
bogdanm 0:9b334a45a8ff 38 * the system frequency. It configures the device and initializes the oscillator
bogdanm 0:9b334a45a8ff 39 * (PLL) that is part of the microcontroller device.
bogdanm 0:9b334a45a8ff 40 */
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 #ifndef SYSTEM_MKL25Z4_H_
bogdanm 0:9b334a45a8ff 43 #define SYSTEM_MKL25Z4_H_ /**< Symbol preventing repeated inclusion */
bogdanm 0:9b334a45a8ff 44
bogdanm 0:9b334a45a8ff 45 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 46 extern "C" {
bogdanm 0:9b334a45a8ff 47 #endif
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 #include <stdint.h>
bogdanm 0:9b334a45a8ff 50
bogdanm 0:9b334a45a8ff 51 /**
bogdanm 0:9b334a45a8ff 52 * @brief System clock frequency (core clock)
bogdanm 0:9b334a45a8ff 53 *
bogdanm 0:9b334a45a8ff 54 * The system clock frequency supplied to the SysTick timer and the processor
bogdanm 0:9b334a45a8ff 55 * core clock. This variable can be used by the user application to setup the
bogdanm 0:9b334a45a8ff 56 * SysTick timer or configure other parameters. It may also be used by debugger to
bogdanm 0:9b334a45a8ff 57 * query the frequency of the debug timer or configure the trace clock speed
bogdanm 0:9b334a45a8ff 58 * SystemCoreClock is initialized with a correct predefined value.
bogdanm 0:9b334a45a8ff 59 */
bogdanm 0:9b334a45a8ff 60 extern uint32_t SystemCoreClock;
bogdanm 0:9b334a45a8ff 61
bogdanm 0:9b334a45a8ff 62 /**
bogdanm 0:9b334a45a8ff 63 * @brief Setup the microcontroller system.
bogdanm 0:9b334a45a8ff 64 *
bogdanm 0:9b334a45a8ff 65 * Typically this function configures the oscillator (PLL) that is part of the
bogdanm 0:9b334a45a8ff 66 * microcontroller device. For systems with variable clock speed it also updates
bogdanm 0:9b334a45a8ff 67 * the variable SystemCoreClock. SystemInit is called from startup_device file.
bogdanm 0:9b334a45a8ff 68 */
bogdanm 0:9b334a45a8ff 69 void SystemInit (void);
bogdanm 0:9b334a45a8ff 70
bogdanm 0:9b334a45a8ff 71 /**
bogdanm 0:9b334a45a8ff 72 * @brief Updates the SystemCoreClock variable.
bogdanm 0:9b334a45a8ff 73 *
bogdanm 0:9b334a45a8ff 74 * It must be called whenever the core clock is changed during program
bogdanm 0:9b334a45a8ff 75 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
bogdanm 0:9b334a45a8ff 76 * the current core clock.
bogdanm 0:9b334a45a8ff 77 */
bogdanm 0:9b334a45a8ff 78 void SystemCoreClockUpdate (void);
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 81 }
bogdanm 0:9b334a45a8ff 82 #endif
bogdanm 0:9b334a45a8ff 83
bogdanm 0:9b334a45a8ff 84 #endif /* #if !defined(SYSTEM_MKL25Z4_H_) */