1 /**************************************************************************//**
2 * @file system_LPC15xx.h
3 * @brief CMSIS Cortex-M3 Device System Header File for
4 * NXP LPC15xx Device Series
9 * Copyright (C) 2013 ARM Limited. All rights reserved.
12 * ARM Limited (ARM) is supplying this software for use with Cortex-M
13 * processor based microcontrollers. This file can be freely distributed
14 * within development tools that are supporting such ARM based processors.
17 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
18 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
20 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
21 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
23 ******************************************************************************/
26 #ifndef __SYSTEM_LPC15xx_H
27 #define __SYSTEM_LPC15xx_H
35 /** @addtogroup LPC15xx_System
39 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
43 * Initialize the system
48 * @brief Setup the microcontroller system.
49 * Initialize the System.
51 extern void SystemInit (void);
54 * Update SystemCoreClock variable
59 * @brief Updates the SystemCoreClock with current core Clock
60 * retrieved from cpu registers.
62 extern void SystemCoreClockUpdate (void);
72 #endif /* __SYSTEM_LPC15xx_H */