Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- u -

• UniqueDeviceId : property_store_t
• unlock_cmd_address_offset : SFLASH_CONFIGURATION_PARAM_PTR
• upperAddress : i2c_slave_config_t
• usbPid : bootloader_configuration_data_t
• usbStringsPointer : bootloader_configuration_data_t
• usbVid : bootloader_configuration_data_t
• userData : dspi_master_handle_t , dspi_slave_handle_t , flexcan_handle_t , i2c_master_handle_t , i2c_slave_handle_t , lpi2c_master_handle_t , lpi2c_slave_handle_t , lpsci_handle_t , lpspi_master_handle_t , lpspi_slave_handle_t , lpuart_handle_t , spi_master_handle_t , uart_handle_t