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【STM32MP257F-DK】開發套件，Discovery kit with STM32MP257F MPU

　　The STM32MP257F-DK Discovery kit is designed as a complete demonstration and development platform for the STMicroelectronics STM32MP257FAK3 based on the Arm® Cortex® A35 and M33.

　　The product leverages the capabilities of STM32MP2 series microprocessors to allow users to develop applications using STM32 MPU OpenSTLinux Distribution software for the main processor (Arm® dual core Cortex®‑A35) and STM32CubeMP2 software for the coprocessor (Arm® Cortex®‑M33).

　　The product includes an ST-LINK embedded debug tool, LEDs, push-buttons, 1 Gbit/s Ethernet, one USB3 USB Type-C® PD, two stacked USB 2.0 HS Type-A, one LCD LVDS display connector, one HDMI connector, one camera connector, microSD™ card, Wi‑Fi® 802.11b/g/n, Bluetooth® Low Energy v4.1, and eMMC. To expand the functionality of STM32MP257F-DK, one GPIO expansion connector is also available for Raspberry Pi® shields.

〔All features〕：

• STM32MP257FAK3 microprocessor based on the Arm® dual‑core Cortex®‑A35 at 1.5 GHz and Cortex®‑M33 at 400 MHz in a VFBGA424 package
  
• STMicroelectronics power management STPMIC25
  
• 32‑Gbit LPDDR4 DRAM
  
• 64-Gbit eMMC v5.1
  
• 1‑Gbit/s Ethernet (RGMII)
  
• Two USB 2.0 high speed
  
• USB 3.0 SuperSpeed PD (DRP/DRD)
  
• Wi‑Fi® 802.11b/g/n
  
• Bluetooth® Low Energy v4.1
• Four user LEDs
  
• Two user, one tamper, and one reset push-buttons
  
• Wake-up button
  
• Four boot pin switches
  
• Board connectors　板載：
  
  • Ethernet RJ45
    
  • Two stacked USB 2.0 HS Type-A
    
  • USB 3.0 USB Type-C® PD
    
  • microSD™ card holder
    
  • Dual-lane MIPI CSI-2® camera module expansion connector
    
  • HDMI®
    
  • LVDS
    
  • GPIO expansion connector
    
  • VBAT for power backup
    
• On-board STLINK-V3EC：
  
  • Debugger with USB re-enumeration capability： Virtual COM port and debug port
    
  • Board power source through USB Type-C® (recommended to connect to 5V / 3A USB host port)
    
• Mainlined open-source Linux® STM32 MPU OpenSTLinux Distribution and STM32CubeMP2 software with examples
  
• Linux® Yocto Project®, Buildroot, and STM32CubeIDE as development environments
  

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