system_LPC17xx.c File Reference

CMSIS Cortex-M3 Device Peripheral Access Layer Source File for the NXP LPC17xx Device Series. More...

#include <stdint.h>
#include "LPC17xx.h"

Include dependency graph for system_LPC17xx.c:

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Macros
#define	__CCLK_DIV   (((CCLKCFG_Val ) & 0x00FF) + 1)
#define	__CORE_CLK   (__FCCO(OSC_CLK) / __CCLK_DIV)
#define	__FCCO(__F_IN)   ((2 * __M * __F_IN) / __N)
#define	__M   (((PLL0CFG_Val ) & 0x7FFF) + 1)
#define	__N   (((PLL0CFG_Val >> 16) & 0x00FF) + 1)
#define	CCLKCFG_Val   0x00000003
#define	CHECK_RANGE(val, min, max)   ((val < min) || (val > max))
#define	CHECK_RSVD(val, mask)   (val & mask)
#define	CLKOUTCFG_Val   0x00000000
#define	CLKSRCSEL_Val   0x00000001
#define	CLOCK_SETUP   1
#define	FLASH_SETUP   1
#define	FLASHCFG_Val   0x0000303A
#define	IRC_OSC   ( 4000000UL) /* Internal RC oscillator frequency */
#define	OSC_CLK   ( XTAL_HZ) /* Main oscillator frequency */
#define	PCLKSEL0_Val   0x00000000
#define	PCLKSEL1_Val   0x00000000
#define	PCONP_Val   0x042887DE
#define	PLL0_SETUP   1
#define	PLL0CFG_Val   0x00050063
#define	PLL1_SETUP   1
#define	PLL1CFG_Val   0x00000023
#define	RTC_CLK   ( 32768UL) /* RTC oscillator frequency */
#define	SCS_Val   0x00000020
#define	USBCLKCFG_Val   0x00000000
#define	XTAL_HZ   (12000000UL) /* Oscillator frequency */

Functions
void	SystemCoreClockUpdate (void)
	Update SystemCoreClock variable.
void	SystemInit (void)
	Initialize the system.

Variables
uint32_t	__isr_vector
uint32_t	SystemCoreClock = __CORE_CLK

Detailed Description

CMSIS Cortex-M3 Device Peripheral Access Layer Source File for the NXP LPC17xx Device Series.

Version

V1.03

Date

07. October 2009

Note

Copyright (C) 2009 ARM Limited. All rights reserved.

ARM Limited (ARM) is supplying this software for use with Cortex-M processor based microcontrollers. This file can be freely distributed within development tools that are supporting such ARM based processors.

THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.

Definition in file system_LPC17xx.c.