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TARGET_KL46Z/TOOLCHAIN_GCC_ARM/system_MKL46Z4.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /*
AnnaBridge 171:3a7713b1edbc 2 ** ###################################################################
AnnaBridge 171:3a7713b1edbc 3 ** Processors: MKL46Z256VLH4
AnnaBridge 171:3a7713b1edbc 4 ** MKL46Z128VLH4
AnnaBridge 171:3a7713b1edbc 5 ** MKL46Z256VLL4
AnnaBridge 171:3a7713b1edbc 6 ** MKL46Z128VLL4
AnnaBridge 171:3a7713b1edbc 7 ** MKL46Z256VMC4
AnnaBridge 171:3a7713b1edbc 8 ** MKL46Z128VMC4
AnnaBridge 171:3a7713b1edbc 9 **
AnnaBridge 171:3a7713b1edbc 10 ** Compilers: ARM Compiler
AnnaBridge 171:3a7713b1edbc 11 ** Freescale C/C++ for Embedded ARM
AnnaBridge 171:3a7713b1edbc 12 ** GNU C Compiler
AnnaBridge 171:3a7713b1edbc 13 ** IAR ANSI C/C++ Compiler for ARM
AnnaBridge 171:3a7713b1edbc 14 **
AnnaBridge 171:3a7713b1edbc 15 ** Reference manual: KL46P121M48SF4RM, Rev.1 Draft A, Aug 2012
AnnaBridge 171:3a7713b1edbc 16 ** Version: rev. 2.0, 2012-12-12
AnnaBridge 171:3a7713b1edbc 17 **
AnnaBridge 171:3a7713b1edbc 18 ** Abstract:
AnnaBridge 171:3a7713b1edbc 19 ** Provides a system configuration function and a global variable that
AnnaBridge 171:3a7713b1edbc 20 ** contains the system frequency. It configures the device and initializes
AnnaBridge 171:3a7713b1edbc 21 ** the oscillator (PLL) that is part of the microcontroller device.
AnnaBridge 171:3a7713b1edbc 22 **
AnnaBridge 171:3a7713b1edbc 23 ** Copyright: 2012 Freescale, Inc. All Rights Reserved.
AnnaBridge 171:3a7713b1edbc 24 **
AnnaBridge 171:3a7713b1edbc 25 ** http: www.freescale.com
AnnaBridge 171:3a7713b1edbc 26 ** mail: support@freescale.com
AnnaBridge 171:3a7713b1edbc 27 **
AnnaBridge 171:3a7713b1edbc 28 ** Revisions:
AnnaBridge 171:3a7713b1edbc 29 ** - rev. 1.0 (2012-10-16)
AnnaBridge 171:3a7713b1edbc 30 ** Initial version.
AnnaBridge 171:3a7713b1edbc 31 ** - rev. 2.0 (2012-12-12)
AnnaBridge 171:3a7713b1edbc 32 ** Update to reference manual rev. 1.
AnnaBridge 171:3a7713b1edbc 33 **
AnnaBridge 171:3a7713b1edbc 34 ** ###################################################################
AnnaBridge 171:3a7713b1edbc 35 */
AnnaBridge 171:3a7713b1edbc 36
AnnaBridge 171:3a7713b1edbc 37 /**
AnnaBridge 171:3a7713b1edbc 38 * @file MKL46Z4
AnnaBridge 171:3a7713b1edbc 39 * @version 2.0
AnnaBridge 171:3a7713b1edbc 40 * @date 2012-12-12
AnnaBridge 171:3a7713b1edbc 41 * @brief Device specific configuration file for MKL46Z4 (header file)
AnnaBridge 171:3a7713b1edbc 42 *
AnnaBridge 171:3a7713b1edbc 43 * Provides a system configuration function and a global variable that contains
AnnaBridge 171:3a7713b1edbc 44 * the system frequency. It configures the device and initializes the oscillator
AnnaBridge 171:3a7713b1edbc 45 * (PLL) that is part of the microcontroller device.
AnnaBridge 171:3a7713b1edbc 46 */
AnnaBridge 171:3a7713b1edbc 47
AnnaBridge 171:3a7713b1edbc 48 #ifndef SYSTEM_MKL46Z4_H_
AnnaBridge 171:3a7713b1edbc 49 #define SYSTEM_MKL46Z4_H_ /**< Symbol preventing repeated inclusion */
AnnaBridge 171:3a7713b1edbc 50
AnnaBridge 171:3a7713b1edbc 51 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 52 extern "C" {
AnnaBridge 171:3a7713b1edbc 53 #endif
AnnaBridge 171:3a7713b1edbc 54
AnnaBridge 171:3a7713b1edbc 55 #include <stdint.h>
AnnaBridge 171:3a7713b1edbc 56
AnnaBridge 171:3a7713b1edbc 57 /**
AnnaBridge 171:3a7713b1edbc 58 * @brief System clock frequency (core clock)
AnnaBridge 171:3a7713b1edbc 59 *
AnnaBridge 171:3a7713b1edbc 60 * The system clock frequency supplied to the SysTick timer and the processor
AnnaBridge 171:3a7713b1edbc 61 * core clock. This variable can be used by the user application to setup the
AnnaBridge 171:3a7713b1edbc 62 * SysTick timer or configure other parameters. It may also be used by debugger to
AnnaBridge 171:3a7713b1edbc 63 * query the frequency of the debug timer or configure the trace clock speed
AnnaBridge 171:3a7713b1edbc 64 * SystemCoreClock is initialized with a correct predefined value.
AnnaBridge 171:3a7713b1edbc 65 */
AnnaBridge 171:3a7713b1edbc 66 extern uint32_t SystemCoreClock;
AnnaBridge 171:3a7713b1edbc 67
AnnaBridge 171:3a7713b1edbc 68 /**
AnnaBridge 171:3a7713b1edbc 69 * @brief Setup the microcontroller system.
AnnaBridge 171:3a7713b1edbc 70 *
AnnaBridge 171:3a7713b1edbc 71 * Typically this function configures the oscillator (PLL) that is part of the
AnnaBridge 171:3a7713b1edbc 72 * microcontroller device. For systems with variable clock speed it also updates
AnnaBridge 171:3a7713b1edbc 73 * the variable SystemCoreClock. SystemInit is called from startup_device file.
AnnaBridge 171:3a7713b1edbc 74 */
AnnaBridge 171:3a7713b1edbc 75 void SystemInit (void);
AnnaBridge 171:3a7713b1edbc 76
AnnaBridge 171:3a7713b1edbc 77 /**
AnnaBridge 171:3a7713b1edbc 78 * @brief Updates the SystemCoreClock variable.
AnnaBridge 171:3a7713b1edbc 79 *
AnnaBridge 171:3a7713b1edbc 80 * It must be called whenever the core clock is changed during program
AnnaBridge 171:3a7713b1edbc 81 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
AnnaBridge 171:3a7713b1edbc 82 * the current core clock.
AnnaBridge 171:3a7713b1edbc 83 */
AnnaBridge 171:3a7713b1edbc 84 void SystemCoreClockUpdate (void);
AnnaBridge 171:3a7713b1edbc 85
AnnaBridge 171:3a7713b1edbc 86 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 87 }
AnnaBridge 171:3a7713b1edbc 88 #endif
AnnaBridge 171:3a7713b1edbc 89
AnnaBridge 171:3a7713b1edbc 90 #endif /* #if !defined(SYSTEM_MKL46Z4_H_) */