system_M480.h File Reference

CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M480. More...

#include <stdint.h>

Go to the source code of this file.

Macros
#define	__HSI   (12000000UL)
#define	__HXT   (12000000UL)
#define	__LXT   (32768UL)
#define	__HIRC   (12000000UL)
#define	__LIRC   (10000UL)
#define	__SYS_OSC_CLK   ( ___HSI) /* Main oscillator frequency */
#define	__SYSTEM_CLOCK   (1UL*__HXT)

Functions
void	SystemInit (void)
	Setup the micro controller system. Initialize the System and update the SystemCoreClock variable. More...
void	SystemCoreClockUpdate (void)
	Updates the SystemCoreClock with current core Clock retrieved from cpu registers. More...

Variables
uint32_t	SystemCoreClock
uint32_t	CyclesPerUs
uint32_t	PllClock

Detailed Description

CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M480.

Version

V1.00 SPDX-License-Identifier: Apache-2.0

Copyright

(C) 2017-2020 Nuvoton Technology Corp. All rights reserved.

Definition in file system_M480.h.

Macro Definition Documentation

__HIRC

#define __HIRC   (12000000UL)

Internal 12M RC Oscillator Frequency

Definition at line 36 of file system_M480.h.

__HSI

#define __HSI   (12000000UL)

PLL default output is 50MHz

Definition at line 25 of file system_M480.h.

__HXT

#define __HXT   (12000000UL)

External Crystal Clock Frequency

Definition at line 29 of file system_M480.h.

__LIRC

#define __LIRC   (10000UL)

Internal 10K RC Oscillator Frequency

Definition at line 37 of file system_M480.h.

__LXT

#define __LXT   (32768UL)

External Crystal Clock Frequency 32.768KHz

Definition at line 33 of file system_M480.h.

__SYS_OSC_CLK

#define __SYS_OSC_CLK   ( ___HSI) /* Main oscillator frequency */

Definition at line 38 of file system_M480.h.

__SYSTEM_CLOCK

#define __SYSTEM_CLOCK   (1UL*__HXT)

Definition at line 41 of file system_M480.h.

Function Documentation

SystemCoreClockUpdate()

void SystemCoreClockUpdate

(

void

)

Updates the SystemCoreClock with current core Clock retrieved from cpu registers.

Update SystemCoreClock variable

Parameters

none

Returns

none

Definition at line 29 of file system_M480.c.

SystemInit()

void SystemInit

(

void

)

Setup the micro controller system. Initialize the System and update the SystemCoreClock variable.

Initialize the system

Parameters

none

Returns

none

Setup the micro controller system. Initialize the System and update the SystemCoreClock variable.

Parameters

none

Returns

none

Definition at line 82 of file system_M480.c.

Variable Documentation

CyclesPerUs

uint32_t CyclesPerUs

Cycles per micro second

Definition at line 22 of file system_M480.c.

PllClock

uint32_t PllClock

PLL Output Clock Frequency

Definition at line 23 of file system_M480.c.

SystemCoreClock

uint32_t SystemCoreClock

System Clock Frequency (Core Clock)

Definition at line 21 of file system_M480.c.