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/*
** ###################################################################
** Processors: LPC54114J256BD64_cm4
** LPC54114J256UK49_cm4
**
** Compilers: Keil ARM C/C++ Compiler
** GNU C Compiler
** IAR ANSI C/C++ Compiler for ARM
** MCUXpresso Compiler
**
** Reference manual: LPC5411x User manual Rev. 1.1 25 May 2016
** Version: rev. 1.0, 2016-04-29
** Build: b161227
**
** Abstract:
** Provides a system configuration function and a global variable that
** contains the system frequency. It configures the device and initializes
** the oscillator (PLL) that is part of the microcontroller device.
**
** The Clear BSD License
** Copyright (c) 2016 Freescale Semiconductor, Inc.
** Copyright 2016 - 2017 NXP
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without modification,
** are permitted (subject to the limitations in the disclaimer below) provided
** that the following conditions are met:
**
** o Redistributions of source code must retain the above copyright notice, this list
** of conditions and the following disclaimer.
**
** o Redistributions in binary form must reproduce the above copyright notice, this
** list of conditions and the following disclaimer in the documentation and/or
** other materials provided with the distribution.
**
** o Neither the name of the copyright holder nor the names of its
** contributors may be used to endorse or promote products derived from this
** software without specific prior written permission.
**
** NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
** ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
** ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
** http: www.nxp.com
** mail: [email protected]
**
** Revisions:
** - rev. 1.0 (2016-04-29)
** Initial version.
**
** ###################################################################
*/
/*!
* @file LPC54114_cm4
* @version 1.0
* @date 2016-04-29
* @brief Device specific configuration file for LPC54114_cm4 (header file)
*
* Provides a system configuration function and a global variable that contains
* the system frequency. It configures the device and initializes the oscillator
* (PLL) that is part of the microcontroller device.
*/
#ifndef _SYSTEM_LPC54114_cm4_H_
#define _SYSTEM_LPC54114_cm4_H_ /**< Symbol preventing repeated inclusion */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#define DEFAULT_SYSTEM_CLOCK 12000000u /* Default System clock value */
#define CLK_RTC_32K_CLK 32768u /* RTC oscillator 32 kHz output (32k_clk */
#define CLK_FRO_12MHZ 12000000u /* FRO 12 MHz (fro_12m) */
#define CLK_FRO_48MHZ 48000000u /* FRO 48 MHz (fro_48m) */
#define CLK_FRO_96MHZ 96000000u /* FRO 96 MHz (fro_96m) */
#define CLK_CLK_IN 0u /* Default CLK_IN pin clock */
/**
* @brief System clock frequency (core clock)
*
* The system clock frequency supplied to the SysTick timer and the processor
* core clock. This variable can be used by the user application to setup the
* SysTick timer or configure other parameters. It may also be used by debugger to
* query the frequency of the debug timer or configure the trace clock speed
* SystemCoreClock is initialized with a correct predefined value.
*/
extern uint32_t SystemCoreClock;
/**
* @brief Setup the microcontroller system.
*
* Typically this function configures the oscillator (PLL) that is part of the
* microcontroller device. For systems with variable clock speed it also updates
* the variable SystemCoreClock. SystemInit is called from startup_device file.
*/
void SystemInit (void);
/**
* @brief Updates the SystemCoreClock variable.
*
* It must be called whenever the core clock is changed during program
* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
* the current core clock.
*/
void SystemCoreClockUpdate (void);
/**
* @brief SystemInit function hook.
*
* This weak function allows to call specific initialization code during the
* SystemInit() execution.This can be used when an application specific code needs
* to be called as close to the reset entry as possible (for example the Multicore
* Manager MCMGR_EarlyInit() function call).
* NOTE: No global r/w variables can be used in this hook function because the
* initialization of these variables happens after this function.
*/
void SystemInitHook (void);
#ifdef __cplusplus
}
#endif
#endif /* _SYSTEM_LPC54114_cm4_H_ */
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