1 /* mbed Microcontroller Library
2 * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
4 * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
5 * based on cmsis system_LPC17xx.h
8 #ifndef __SYSTEM_LPC23xx_H
9 #define __SYSTEM_LPC23xx_H
15 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
18 * Initialize the system
23 * @brief Setup the microcontroller system.
24 * Initialize the System and update the SystemCoreClock variable.
26 extern void SystemInit (void);
29 * Update SystemCoreClock variable
34 * @brief Updates the SystemCoreClock with current core Clock
35 * retrieved from cpu registers.
37 extern void SystemCoreClockUpdate (void);