39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : system_ch32v20x.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2024/06/26
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* Description : CH32V20x Device Peripheral Access Layer System Header File.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __SYSTEM_ch32v20x_H
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#define __SYSTEM_ch32v20x_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HSI 0 //HSI
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#define HSI_1_2 1 //HSI/2
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//#define PLL_Source HSI
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#define PLL_Source HSI_1_2
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extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
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/* System_Exported_Functions */
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extern void SystemInit(void);
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extern void SystemCoreClockUpdate(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__CH32V20x_SYSTEM_H */
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