STMicroelectronics 32L4R9IDISCOVERY - Appendix D Schematics; Figure 20. 32 L4 R9 IDISCOVERY Board Interconnections (MB1311 C); Figure 21. 32 L4 R9 IDISCOVERY Power; Figure 22. 32 L4 R9 IDISCOVERY Arduino uno V3 Connectors

Schematics UM2271
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Appendix D Schematics
This section provides design schematics for the 32L4R9IDISCOVERY board and design
schematics of the round DSI display and Fanout boards:
Appendix D contains the schematics diagrams listed below:
• Figure 20: 32L4R9IDISCOVERY board interconnections (MB1311C)
• Figure 21: 32L4R9IDISCOVERY power
• Figure 22: 32L4R9IDISCOVERY Arduino Uno V3 connectors
• Figure 23: 32L4R9IDISCOVERY ST-LINK/V2-1
• Figure 24: 32L4R9IDISCOVERY Octo-SPI Flash memory
• Figure 25: 32L4R9IDISCOVERY peripherals
• Figure 26: 32L4R9IDISCOVERY USB OTG FS
• Figure 27: 32L4R9IDISCOVERY Round DSI display interface
• Figure 28: 32L4R9IDISCOVERY IDD measurement and Multi Function eXpander
• Figure 29: 32L4R9IDISCOVERY microcontroller
• Figure 30: 32L4R9IDISCOVERY PSRAM
• Figure 31: 32L4R9IDISCOVERY camera
• Figure 32: 32L4R9IDISCOVERY STMOD+ interface
• Figure 33: 32L4R9IDISCOVERY Audio and DFSDM
• Figure 34: Round DSI display board (MB1314)
• Figure 35: Fanout board (MB1280)