STM32F407 8 SPI+ FLASH

• 작성일자 : 2025.2.12
• 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

STM32F407VET6 회로도를 보면 W25Q128 플래시가 SPI2에 연결되어 있는 것을 확인할 수 있습니다. 그리고 SPI CS 핀으로 PE3 핀이 연결되어 있다. PE3 핀은 GPIO로 추가해야 합니다.

Pinout & Configuration

System Core

• SYS

  • Debug: Serial Wire

• RCC

  • High Speed Clock (HSE): Crystal/Ceramic Resonator

• GPIO

  

Connectivity

• USART1

  • USART1 Mode and Configuration

    • Mode: Asynchronous
    • Hardware Flow Control (RS232): Disable

  • Configuration

    • Parameter Settings
      • Basic Parameters:
        • Baud Rate: 115200 Bits/s
        • Word Length: 8 Bits (including Parity)
        • Parity: None
        • Stop Bits: 1
      • Advanced Parameters:
        • Data Direction: Receive and Transmit
        • Over Sampling: 16 Samples
      • GPIO Settings

    

• SPI2

  • SPI2 Mode and Coinfiguration
    • Mode: Full-Duplex Master
    • Hardware NSS Signal: Disable
  • Configuration
    • Parameter Settings
      • Basic Parameters
        • Frame Format: Motorola
        • Data Size: 8 Bits
        • First Bit: MSB First
      • Clock Parameters:
        • Prescaler (for Baud Rate): 4
        • Baud Rate 10.5 MBits/s
        • Clock Polarity (CPOL): Low
        • Clock Phase (CPHA): 1 Edge
      • Advanced Parameters:
        • CRC Calculation: Disabled
        • NSS Signal Type: Software