| /* |
| ** ################################################################### |
| ** 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: b180802 |
| ** |
| ** 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. |
| ** |
| ** Copyright 2016 Freescale Semiconductor, Inc. |
| ** Copyright 2016-2018 NXP |
| ** |
| ** SPDX-License-Identifier: BSD-3-Clause |
| ** |
| ** http: www.nxp.com |
| ** mail: support@nxp.com |
| ** |
| ** 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_ */ |