SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_Freescale/TARGET_K20D5M/system_MK20D5.h@68:41613245dfd7, 2013-12-26 (annotated)

Committer:
mbed_official
Date:
Thu Dec 26 13:00:06 2013 +0000
Revision:
68:41613245dfd7
Synchronized with git revision fba199a9c4445231b0f38e1e113c118182635546



Full URL: https://github.com/mbedmicro/mbed/commit/fba199a9c4445231b0f38e1e113c118182635546/



target K20D5M

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 68:41613245dfd7 1 /*
mbed_official 68:41613245dfd7 2 ** ###################################################################
mbed_official 68:41613245dfd7 3 ** Compilers: ARM Compiler
mbed_official 68:41613245dfd7 4 ** Freescale C/C++ for Embedded ARM
mbed_official 68:41613245dfd7 5 ** GNU C Compiler
mbed_official 68:41613245dfd7 6 ** IAR ANSI C/C++ Compiler for ARM
mbed_official 68:41613245dfd7 7 **
mbed_official 68:41613245dfd7 8 ** Reference manuals: K20P64M50SF0RM Rev. 1, Oct 2011
mbed_official 68:41613245dfd7 9 ** K20P32M50SF0RM Rev. 1, Oct 2011
mbed_official 68:41613245dfd7 10 ** K20P48M50SF0RM Rev. 1, Oct 2011
mbed_official 68:41613245dfd7 11 **
mbed_official 68:41613245dfd7 12 ** Version: rev. 2.0, 2012-03-19
mbed_official 68:41613245dfd7 13 **
mbed_official 68:41613245dfd7 14 ** Abstract:
mbed_official 68:41613245dfd7 15 ** Provides a system configuration function and a global variable that
mbed_official 68:41613245dfd7 16 ** contains the system frequency. It configures the device and initializes
mbed_official 68:41613245dfd7 17 ** the oscillator (PLL) that is part of the microcontroller device.
mbed_official 68:41613245dfd7 18 **
mbed_official 68:41613245dfd7 19 ** Copyright: 2012 Freescale Semiconductor, Inc. All Rights Reserved.
mbed_official 68:41613245dfd7 20 **
mbed_official 68:41613245dfd7 21 ** http: www.freescale.com
mbed_official 68:41613245dfd7 22 ** mail: support@freescale.com
mbed_official 68:41613245dfd7 23 **
mbed_official 68:41613245dfd7 24 ** Revisions:
mbed_official 68:41613245dfd7 25 ** - rev. 1.0 (2011-12-15)
mbed_official 68:41613245dfd7 26 ** Initial version
mbed_official 68:41613245dfd7 27 ** - rev. 2.0 (2012-03-19)
mbed_official 68:41613245dfd7 28 ** PDB Peripheral register structure updated.
mbed_official 68:41613245dfd7 29 ** DMA Registers and bits for unsupported DMA channels removed.
mbed_official 68:41613245dfd7 30 **
mbed_official 68:41613245dfd7 31 ** ###################################################################
mbed_official 68:41613245dfd7 32 */
mbed_official 68:41613245dfd7 33
mbed_official 68:41613245dfd7 34 /**
mbed_official 68:41613245dfd7 35 * @file MK20D5
mbed_official 68:41613245dfd7 36 * @version 2.0
mbed_official 68:41613245dfd7 37 * @date 2012-03-19
mbed_official 68:41613245dfd7 38 * @brief Device specific configuration file for MK20D5 (header file)
mbed_official 68:41613245dfd7 39 *
mbed_official 68:41613245dfd7 40 * Provides a system configuration function and a global variable that contains
mbed_official 68:41613245dfd7 41 * the system frequency. It configures the device and initializes the oscillator
mbed_official 68:41613245dfd7 42 * (PLL) that is part of the microcontroller device.
mbed_official 68:41613245dfd7 43 */
mbed_official 68:41613245dfd7 44
mbed_official 68:41613245dfd7 45 #ifndef SYSTEM_MK20D5_H_
mbed_official 68:41613245dfd7 46 #define SYSTEM_MK20D5_H_ /**< Symbol preventing repeated inclusion */
mbed_official 68:41613245dfd7 47
mbed_official 68:41613245dfd7 48 #ifdef __cplusplus
mbed_official 68:41613245dfd7 49 extern "C" {
mbed_official 68:41613245dfd7 50 #endif
mbed_official 68:41613245dfd7 51
mbed_official 68:41613245dfd7 52 #include <stdint.h>
mbed_official 68:41613245dfd7 53
mbed_official 68:41613245dfd7 54 /**
mbed_official 68:41613245dfd7 55 * @brief System clock frequency (core clock)
mbed_official 68:41613245dfd7 56 *
mbed_official 68:41613245dfd7 57 * The system clock frequency supplied to the SysTick timer and the processor
mbed_official 68:41613245dfd7 58 * core clock. This variable can be used by the user application to setup the
mbed_official 68:41613245dfd7 59 * SysTick timer or configure other parameters. It may also be used by debugger to
mbed_official 68:41613245dfd7 60 * query the frequency of the debug timer or configure the trace clock speed
mbed_official 68:41613245dfd7 61 * SystemCoreClock is initialized with a correct predefined value.
mbed_official 68:41613245dfd7 62 */
mbed_official 68:41613245dfd7 63 extern uint32_t SystemCoreClock;
mbed_official 68:41613245dfd7 64
mbed_official 68:41613245dfd7 65 /**
mbed_official 68:41613245dfd7 66 * @brief Setup the microcontroller system.
mbed_official 68:41613245dfd7 67 *
mbed_official 68:41613245dfd7 68 * Typically this function configures the oscillator (PLL) that is part of the
mbed_official 68:41613245dfd7 69 * microcontroller device. For systems with variable clock speed it also updates
mbed_official 68:41613245dfd7 70 * the variable SystemCoreClock. SystemInit is called from startup_device file.
mbed_official 68:41613245dfd7 71 */
mbed_official 68:41613245dfd7 72 void SystemInit (void);
mbed_official 68:41613245dfd7 73
mbed_official 68:41613245dfd7 74 /**
mbed_official 68:41613245dfd7 75 * @brief Updates the SystemCoreClock variable.
mbed_official 68:41613245dfd7 76 *
mbed_official 68:41613245dfd7 77 * It must be called whenever the core clock is changed during program
mbed_official 68:41613245dfd7 78 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
mbed_official 68:41613245dfd7 79 * the current core clock.
mbed_official 68:41613245dfd7 80 */
mbed_official 68:41613245dfd7 81 void SystemCoreClockUpdate (void);
mbed_official 68:41613245dfd7 82
mbed_official 68:41613245dfd7 83 #ifdef __cplusplus
mbed_official 68:41613245dfd7 84 }
mbed_official 68:41613245dfd7 85 #endif
mbed_official 68:41613245dfd7 86
mbed_official 68:41613245dfd7 87 #endif /* #if !defined(SYSTEM_MK20D5_H_) */