ST STM32U5 User Manual page 35

2. PG2 to PG15 can have a different I/O level from other I/Os because supplied by VDDIO.
3. I/O shared between ADC and OCTOSPI (exclusive)
4. I/O shared between OCTOSPI and motor control (exclusive)
5. I/O shared between SAI_D, SPI_B, and UCPD function (exclusive)
6. I/Os are shared between SAI and JTAG SWO (exclusive)
7. SAI_D and SAI_B groups are on the same SAI instance (exclusive).
8. SAI_D group is shared with the SPI_B group, (exclusive).
Note: The OCTOSPI interface is used in quad
UM2861 - Rev 5
‑ mode communication without DQS to support Quad-SPI memories.
Zio connectors supporting ARDUINO® Uno V3
UM2861
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