mbed library sources
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targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.h@255:20b371a9491b, 2014-07-11 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Jul 11 10:00:08 2014 +0100
- Revision:
- 255:20b371a9491b
- Parent:
- targets/cmsis/TARGET_Freescale/TARGET_K20D5M/system_MK20D5.h@68:41613245dfd7
Synchronized with git revision bbf5cbc71510e72033aaacbd76c3f127b70f08b6
Full URL: https://github.com/mbedmicro/mbed/commit/bbf5cbc71510e72033aaacbd76c3f127b70f08b6/
[K20D50M] K20D5M -> K20D50M
Who changed what in which revision?
User | Revision | Line number | New 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_) */ |