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1/*
2** ###################################################################
3** Processors: MK63FN1M0VLQ12
4** MK63FN1M0VMD12
5**
6** Compilers: Freescale C/C++ for Embedded ARM
7** GNU C Compiler
8** IAR ANSI C/C++ Compiler for ARM
9** Keil ARM C/C++ Compiler
10** MCUXpresso Compiler
11**
12** Reference manual: K63P144M120SF5RM, Rev.2, January 2014
13** Version: rev. 2.7, 2015-02-19
14** Build: b181105
15**
16** Abstract:
17** Provides a system configuration function and a global variable that
18** contains the system frequency. It configures the device and initializes
19** the oscillator (PLL) that is part of the microcontroller device.
20**
21** Copyright 2016 Freescale Semiconductor, Inc.
22** Copyright 2016-2018 NXP
23** All rights reserved.
24**
25** SPDX-License-Identifier: BSD-3-Clause
26**
27** http: www.nxp.com
28** mail: [email protected]
29**
30** Revisions:
31** - rev. 1.0 (2013-05-03)
32** Initial version.
33** - rev. 2.0 (2013-10-29)
34** Register accessor macros added to the memory map.
35** Symbols for Processor Expert memory map compatibility added to the memory map.
36** Startup file for gcc has been updated according to CMSIS 3.2.
37** System initialization updated.
38** MCG - registers updated.
39** PORTA, PORTB, PORTC, PORTE - registers for digital filter removed.
40** - rev. 2.1 (2013-10-30)
41** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled.
42** - rev. 2.2 (2013-12-09)
43** DMA - EARS register removed.
44** AIPS0, AIPS1 - MPRA register updated.
45** - rev. 2.3 (2014-01-24)
46** Update according to reference manual rev. 2
47** ENET, MCG, MCM, SIM, USB - registers updated
48** - rev. 2.4 (2014-02-10)
49** The declaration of clock configurations has been moved to separate header file system_MK63F12.h
50** Update of SystemInit() and SystemCoreClockUpdate() functions.
51** Module access macro module_BASES replaced by module_BASE_PTRS.
52** - rev. 2.5 (2014-08-28)
53** Update of system files - default clock configuration changed.
54** Update of startup files - possibility to override DefaultISR added.
55** - rev. 2.6 (2014-10-14)
56** Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog renamed to INT_WDOG_EWM.
57** - rev. 2.7 (2015-02-19)
58** Renamed interrupt vector LLW to LLWU.
59**
60** ###################################################################
61*/
62
63/*!
64 * @file MK63F12
65 * @version 2.7
66 * @date 2015-02-19
67 * @brief Device specific configuration file for MK63F12 (header file)
68 *
69 * Provides a system configuration function and a global variable that contains
70 * the system frequency. It configures the device and initializes the oscillator
71 * (PLL) that is part of the microcontroller device.
72 */
73
74#ifndef _SYSTEM_MK63F12_H_
75#define _SYSTEM_MK63F12_H_ /**< Symbol preventing repeated inclusion */
76
77#ifdef __cplusplus
78extern "C" {
79#endif
80
81#include <stdint.h>
82
83
84#ifndef DISABLE_WDOG
85 #define DISABLE_WDOG 1
86#endif
87
88/* Define clock source values */
89
90#define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */
91#define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */
92#define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */
93#define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */
94#define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */
95
96/* RTC oscillator setting */
97/* RTC_CR: SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */
98#define SYSTEM_RTC_CR_VALUE 0x0300U /* RTC_CR */
99
100/* Low power mode enable */
101/* SMC_PMPROT: AVLP=1,ALLS=1,AVLLS=1 */
102#define SYSTEM_SMC_PMPROT_VALUE 0x2AU /* SMC_PMPROT */
103
104#define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */
105
106
107/**
108 * @brief System clock frequency (core clock)
109 *
110 * The system clock frequency supplied to the SysTick timer and the processor
111 * core clock. This variable can be used by the user application to setup the
112 * SysTick timer or configure other parameters. It may also be used by debugger to
113 * query the frequency of the debug timer or configure the trace clock speed
114 * SystemCoreClock is initialized with a correct predefined value.
115 */
116extern uint32_t SystemCoreClock;
117
118/**
119 * @brief Setup the microcontroller system.
120 *
121 * Typically this function configures the oscillator (PLL) that is part of the
122 * microcontroller device. For systems with variable clock speed it also updates
123 * the variable SystemCoreClock. SystemInit is called from startup_device file.
124 */
125void SystemInit (void);
126
127/**
128 * @brief Updates the SystemCoreClock variable.
129 *
130 * It must be called whenever the core clock is changed during program
131 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
132 * the current core clock.
133 */
134void SystemCoreClockUpdate (void);
135
136/**
137 * @brief SystemInit function hook.
138 *
139 * This weak function allows to call specific initialization code during the
140 * SystemInit() execution.This can be used when an application specific code needs
141 * to be called as close to the reset entry as possible (for example the Multicore
142 * Manager MCMGR_EarlyInit() function call).
143 * NOTE: No global r/w variables can be used in this hook function because the
144 * initialization of these variables happens after this function.
145 */
146void SystemInitHook (void);
147
148#ifdef __cplusplus
149}
150#endif
151
152#endif /* _SYSTEM_MK63F12_H_ */