NANO100_BSP V3.04.002
The Board Support Package for Nano100BN Series
Macros | Functions | Variables
system_Nano100Series.h File Reference

Nano100 series system clock definition file. More...

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Macros

#define __HXT   (12000000UL)
 
#define __LXT   (32768UL)
 
#define __HIRC12M   (12000000UL)
 
#define __LIRC   (10000UL)
 
#define __HIRC   __HIRC12M
 
#define __HSI   (__HIRC12M) /* Factory Default is internal 12MHz */
 

Functions

void SystemCoreClockUpdate (void)
 Updates the SystemCoreClock with current core Clock retrieved from CPU registers. More...
 
uint32_t SysGet_PLLClockFreq (void)
 Calculate current PLL clock frequency. More...
 

Variables

uint32_t SystemCoreClock
 
uint32_t CyclesPerUs
 

Detailed Description

Nano100 series system clock definition file.

Version
V1.00
Revision
2
Date
14/01/07 7:35p
Note
SPDX-License-Identifier: Apache-2.0 Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.

Definition in file system_Nano100Series.h.

Macro Definition Documentation

◆ __HIRC

#define __HIRC   __HIRC12M

Definition at line 30 of file system_Nano100Series.h.

◆ __HIRC12M

#define __HIRC12M   (12000000UL)

Definition at line 28 of file system_Nano100Series.h.

◆ __HSI

#define __HSI   (__HIRC12M) /* Factory Default is internal 12MHz */

Definition at line 31 of file system_Nano100Series.h.

◆ __HXT

#define __HXT   (12000000UL)

Definition at line 26 of file system_Nano100Series.h.

◆ __LIRC

#define __LIRC   (10000UL)

Definition at line 29 of file system_Nano100Series.h.

◆ __LXT

#define __LXT   (32768UL)

Definition at line 27 of file system_Nano100Series.h.

Function Documentation

◆ SysGet_PLLClockFreq()

uint32_t SysGet_PLLClockFreq ( void  )

Calculate current PLL clock frequency.

Parameters
None.
Returns
PLL clock frequency. The clock UNIT is in Hz.

Definition at line 28 of file system_Nano100Series.c.

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◆ SystemCoreClockUpdate()

void SystemCoreClockUpdate ( void  )

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

Update SystemCoreClock variable

Parameters
None
Returns
None

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

Parameters
None.
Return values
None.

Definition at line 106 of file system_Nano100Series.c.

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Variable Documentation

◆ CyclesPerUs

uint32_t CyclesPerUs
extern

Cycles per micro second

Definition at line 21 of file system_Nano100Series.c.

◆ SystemCoreClock

uint32_t SystemCoreClock
extern

System Clock Frequency (Core Clock)

Definition at line 20 of file system_Nano100Series.c.