tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC408X/system_LPC407x_8x_177x_8x.h

   1 /**********************************************************************
   2 * $Id$          system_LPC407x_8x_177x_8x.h                     2011-06-02
   3 *//**
   4 * @file         system_LPC407x_8x_177x_8x.h
   5 * @brief        CMSIS Cortex-M3 Device Peripheral Access Layer Source File
   6 *                       for the NXP LPC Device Series
   7 * @version      1.0
   8 * @date         02. June. 2011
   9 * @author       NXP MCU SW Application Team
  10 *
  11 * Copyright(C) 2011, NXP Semiconductor
  12 * All rights reserved.
  13 *
  14 ***********************************************************************
  15 * Software that is described herein is for illustrative purposes only
  16 * which provides customers with programming information regarding the
  17 * products. This software is supplied "AS IS" without any warranties.
  18 * NXP Semiconductors assumes no responsibility or liability for the
  19 * use of the software, conveys no license or title under any patent,
  20 * copyright, or mask work right to the product. NXP Semiconductors
  21 * reserves the right to make changes in the software without
  22 * notification. NXP Semiconductors also make no representation or
  23 * warranty that such application will be suitable for the specified
  24 * use without further testing or modification.
  25 * Permission to use, copy, modify, and distribute this software and its
  26 * documentation is hereby granted, under NXP Semiconductors'
  27 * relevant copyright in the software, without fee, provided that it
  28 * is used in conjunction with NXP Semiconductors microcontrollers.  This
  29 * copyright, permission, and disclaimer notice must appear in all copies of
  30 * this code.
  31 **********************************************************************/
  32
  33 #ifndef __SYSTEM_LPC407x_8x_177x_8x_H
  34 #define __SYSTEM_LPC407x_8x_177x_8x_H
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #include <stdint.h>
  41
  42 extern uint32_t SystemCoreClock;      /*!< System Clock Frequency (Core Clock)          */
  43 extern uint32_t PeripheralClock;            /*!< Peripheral Clock Frequency (Pclk)          */
  44 extern uint32_t EMCClock;                               /*!< EMC Clock                              */
  45 extern uint32_t USBClock;                               /*!< USB Frequency                                                            */
  46
  47
  48 /**
  49  * Initialize the system
  50  *
  51  * @param  none
  52  * @return none
  53  *
  54  * @brief  Setup the microcontroller system.
  55  *         Initialize the System and update the SystemCoreClock variable.
  56  */
  57 extern void SystemInit (void);
  58
  59 /**
  60  * Update SystemCoreClock variable
  61  *
  62  * @param  none
  63  * @return none
  64  *
  65  * @brief  Updates the SystemCoreClock with current core Clock
  66  *         retrieved from cpu registers.
  67  */
  68 extern void SystemCoreClockUpdate (void);
  69
  70 /*----------------------------------------------------------------------------
  71   Define clocks
  72  *----------------------------------------------------------------------------*/
  73 #define XTAL        (12000000UL)        /* Oscillator frequency               */
  74 #define OSC_CLK     (      XTAL)        /* Main oscillator frequency          */
  75 #define RTC_CLK     (   32768UL)        /* RTC oscillator frequency           */
  76 #define IRC_OSC     (12000000UL)        /* Internal RC oscillator frequency   */
  77 #define WDT_OSC           (  500000UL)          /* Internal WDT oscillator frequency  */
  78
  79
  80
  81 /*
  82 //-------- <<< end of configuration section >>> ------------------------------
  83 */
  84
  85 #ifdef __cplusplus
  86 }
  87 #endif
  88
  89 #endif /* __SYSTEM_LPC407x_8x_177x_8x_H */