system_ARMCM4.c File Reference

CMSIS Device System Source File for ARMCM4 Device Series. More...

#include "ARMCM4.h"

Include dependency graph for system_ARMCM4.c:

Go to the source code of this file.

Macros
#define	__HSI   ( 8000000UL)
#define	__SYSTEM_CLOCK   (5*__XTAL)
#define	__XTAL   ( 5000000UL) /* Oscillator frequency */

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

Variables
uint32_t	SystemCoreClock = __SYSTEM_CLOCK

Detailed Description

CMSIS Device System Source File for ARMCM4 Device Series.

Version

V1.07

Date

30. January 2012

Note

Copyright (C) 2012 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_ARMCM4.c.

Macro Definition Documentation

#define __HSI   ( 8000000UL)

Definition at line 30 of file system_ARMCM4.c.

#define __SYSTEM_CLOCK   (5*__XTAL)

Definition at line 33 of file system_ARMCM4.c.

Referenced by SystemCoreClockUpdate(), and SystemInit().

#define __XTAL   ( 5000000UL) /* Oscillator frequency */

Definition at line 31 of file system_ARMCM4.c.