• 작성일자 : 2025.2.10
• 문서 버전 : 1.0
• Source Code

개발 환경 및 실습도구

• Software
  • STM32CubeIDE 1.16.1
  • Repository: STM32Cube_FW_F4_V1.28.1
• Hardware
  • STM32F407VET6
  • ST-Link V2

STM32CubeMX

Pinout & Configuration

System Core

• SYS
  • Debug: Serial Wire
• RCC
  • High Speed Clock (HSE): Crystal/Ceramic Resonator

LED가 연결된 PE13 핀으로 사용할 수 있는 TIM을 설정합니다.

Timers

TIM1을 다음과 같이 설정합니다.

• TIM1
  • TIM1 Mode and Configuration
    • Channel3: PWM Generation CH3
  • Configuration
    • Parameter Settings
      • Counter Settings
        • Prescaler (PSC - 16 bits value): 420-1
        • Counter Mode: Up
        • Counter Period (AutoReload Register - 16 bits value ): 2000-1
        • Internal Clock Division (CKD): Division by 4
      • PWM Generation Channel 3
        • Mode: PWM mode 1
        • Pulse (16 bits value): 0
        • Output compare preload: Enable
        • Fast Mode: Disable
        • CH Polarity: High
        • CH Idle State: Reset
    • User Constants
    • NVIC Settings
    • DMA Settings
    • GPIO Settings

$$ UpdateEvent = \frac{Timer_{clock} / 4}{(Prescaler+1)(Period+1)} \quad\quad  $$