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TARGET_LPC54114/TOOLCHAIN_IAR/system_LPC54114_cm4.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?

User	Revision	Line number	New contents of line
Kojto	148:fd96258d940d	1	/*
Kojto	148:fd96258d940d	2	** ###################################################################
Kojto	148:fd96258d940d	3	** Processors: LPC54114J256BD64_cm4
Kojto	148:fd96258d940d	4	** LPC54114J256UK49_cm4
Kojto	148:fd96258d940d	5	**
Kojto	148:fd96258d940d	6	** Compilers: Keil ARM C/C++ Compiler
Kojto	148:fd96258d940d	7	** GNU C Compiler
Kojto	148:fd96258d940d	8	** IAR ANSI C/C++ Compiler for ARM
Kojto	148:fd96258d940d	9	**
Kojto	148:fd96258d940d	10	** Reference manual: LPC5411x User manual Rev. 1.0 16 February 2016
Kojto	148:fd96258d940d	11	** Version: rev. 1.0, 2016-04-29
Kojto	148:fd96258d940d	12	** Build: b160525
Kojto	148:fd96258d940d	13	**
Kojto	148:fd96258d940d	14	** Abstract:
Kojto	148:fd96258d940d	15	** Provides a system configuration function and a global variable that
Kojto	148:fd96258d940d	16	** contains the system frequency. It configures the device and initializes
Kojto	148:fd96258d940d	17	** the oscillator (PLL) that is part of the microcontroller device.
Kojto	148:fd96258d940d	18	**
Kojto	148:fd96258d940d	19	** Copyright (c) 2016 Freescale Semiconductor, Inc.
Kojto	148:fd96258d940d	20	** All rights reserved.
Kojto	148:fd96258d940d	21	**
Kojto	148:fd96258d940d	22	** Redistribution and use in source and binary forms, with or without modification,
Kojto	148:fd96258d940d	23	** are permitted provided that the following conditions are met:
Kojto	148:fd96258d940d	24	**
Kojto	148:fd96258d940d	25	** o Redistributions of source code must retain the above copyright notice, this list
Kojto	148:fd96258d940d	26	** of conditions and the following disclaimer.
Kojto	148:fd96258d940d	27	**
Kojto	148:fd96258d940d	28	** o Redistributions in binary form must reproduce the above copyright notice, this
Kojto	148:fd96258d940d	29	** list of conditions and the following disclaimer in the documentation and/or
Kojto	148:fd96258d940d	30	** other materials provided with the distribution.
Kojto	148:fd96258d940d	31	**
Kojto	148:fd96258d940d	32	** o Neither the name of Freescale Semiconductor, Inc. nor the names of its
Kojto	148:fd96258d940d	33	** contributors may be used to endorse or promote products derived from this
Kojto	148:fd96258d940d	34	** software without specific prior written permission.
Kojto	148:fd96258d940d	35	**
Kojto	148:fd96258d940d	36	** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
Kojto	148:fd96258d940d	37	** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Kojto	148:fd96258d940d	38	** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto	148:fd96258d940d	39	** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
Kojto	148:fd96258d940d	40	** ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Kojto	148:fd96258d940d	41	** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Kojto	148:fd96258d940d	42	** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
Kojto	148:fd96258d940d	43	** ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Kojto	148:fd96258d940d	44	** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Kojto	148:fd96258d940d	45	** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto	148:fd96258d940d	46	**
Kojto	148:fd96258d940d	47	** http: www.freescale.com
Kojto	148:fd96258d940d	48	** mail: support@freescale.com
Kojto	148:fd96258d940d	49	**
Kojto	148:fd96258d940d	50	** Revisions:
Kojto	148:fd96258d940d	51	** - rev. 1.0 (2016-04-29)
Kojto	148:fd96258d940d	52	** Initial version.
Kojto	148:fd96258d940d	53	**
Kojto	148:fd96258d940d	54	** ###################################################################
Kojto	148:fd96258d940d	55	*/
Kojto	148:fd96258d940d	56
Kojto	148:fd96258d940d	57	/*!
Kojto	148:fd96258d940d	58	* @file LPC54114_cm4
Kojto	148:fd96258d940d	59	* @version 1.0
Kojto	148:fd96258d940d	60	* @date 2016-04-29
Kojto	148:fd96258d940d	61	* @brief Device specific configuration file for LPC54114_cm4 (header file)
Kojto	148:fd96258d940d	62	*
Kojto	148:fd96258d940d	63	* Provides a system configuration function and a global variable that contains
Kojto	148:fd96258d940d	64	* the system frequency. It configures the device and initializes the oscillator
Kojto	148:fd96258d940d	65	* (PLL) that is part of the microcontroller device.
Kojto	148:fd96258d940d	66	*/
Kojto	148:fd96258d940d	67
Kojto	148:fd96258d940d	68	#ifndef _SYSTEM_LPC54114_cm4_H_
Kojto	148:fd96258d940d	69	#define _SYSTEM_LPC54114_cm4_H_ /*< Symbol preventing repeated inclusion /
Kojto	148:fd96258d940d	70
Kojto	148:fd96258d940d	71	#ifdef __cplusplus
Kojto	148:fd96258d940d	72	extern "C" {
Kojto	148:fd96258d940d	73	#endif
Kojto	148:fd96258d940d	74
Kojto	148:fd96258d940d	75	#include <stdint.h>
Kojto	148:fd96258d940d	76
Kojto	148:fd96258d940d	77
Kojto	148:fd96258d940d	78	#define DEFAULT_SYSTEM_CLOCK 12000000u /* Default System clock value */
Kojto	148:fd96258d940d	79	#define CLK_RTC_32K_CLK 32768u /* RTC oscillator 32 kHz output (32k_clk */
Kojto	148:fd96258d940d	80	#define CLK_FRO_12MHZ 12000000u /* FRO 12 MHz (fro_12m) */
Kojto	148:fd96258d940d	81	#define CLK_FRO_48MHZ 48000000u /* FRO 48 MHz (fro_48m) */
Kojto	148:fd96258d940d	82	#define CLK_FRO_96MHZ 96000000u /* FRO 96 MHz (fro_96m) */
Kojto	148:fd96258d940d	83	#define CLK_CLK_IN 0u /* Default CLK_IN pin clock */
Kojto	148:fd96258d940d	84
Kojto	148:fd96258d940d	85
Kojto	148:fd96258d940d	86	/**
Kojto	148:fd96258d940d	87	* @brief System clock frequency (core clock)
Kojto	148:fd96258d940d	88	*
Kojto	148:fd96258d940d	89	* The system clock frequency supplied to the SysTick timer and the processor
Kojto	148:fd96258d940d	90	* core clock. This variable can be used by the user application to setup the
Kojto	148:fd96258d940d	91	* SysTick timer or configure other parameters. It may also be used by debugger to
Kojto	148:fd96258d940d	92	* query the frequency of the debug timer or configure the trace clock speed
Kojto	148:fd96258d940d	93	* SystemCoreClock is initialized with a correct predefined value.
Kojto	148:fd96258d940d	94	*/
Kojto	148:fd96258d940d	95	extern uint32_t SystemCoreClock;
Kojto	148:fd96258d940d	96
Kojto	148:fd96258d940d	97	/**
Kojto	148:fd96258d940d	98	* @brief Setup the microcontroller system.
Kojto	148:fd96258d940d	99	*
Kojto	148:fd96258d940d	100	* Typically this function configures the oscillator (PLL) that is part of the
Kojto	148:fd96258d940d	101	* microcontroller device. For systems with variable clock speed it also updates
Kojto	148:fd96258d940d	102	* the variable SystemCoreClock. SystemInit is called from startup_device file.
Kojto	148:fd96258d940d	103	*/
Kojto	148:fd96258d940d	104	void SystemInit (void);
Kojto	148:fd96258d940d	105
Kojto	148:fd96258d940d	106	/**
Kojto	148:fd96258d940d	107	* @brief Updates the SystemCoreClock variable.
Kojto	148:fd96258d940d	108	*
Kojto	148:fd96258d940d	109	* It must be called whenever the core clock is changed during program
Kojto	148:fd96258d940d	110	* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
Kojto	148:fd96258d940d	111	* the current core clock.
Kojto	148:fd96258d940d	112	*/
Kojto	148:fd96258d940d	113	void SystemCoreClockUpdate (void);
Kojto	148:fd96258d940d	114
Kojto	148:fd96258d940d	115	#ifdef __cplusplus
Kojto	148:fd96258d940d	116	}
Kojto	148:fd96258d940d	117	#endif
Kojto	148:fd96258d940d	118
Kojto	148:fd96258d940d	119	#endif /* _SYSTEM_LPC54114_cm4_H_ */