Here are the data structures with brief descriptions:
[detail level 123]
 genclk_config | Hardware representation of a set of generic clock parameters |
 pll_config | Hardware-specific representation of PLL configuration |
 qspi_buffer_t | Qspi buffer structure |
 qspi_config_t | Qspi config structure |
 qspi_inst_frame_t | Qspi frame structure for QSPI mode |
  _qspiinst_frame | |
   _qspiinst_frame_bitmap | |
 qspi_mem_cmd_t | Qspi command structure |
 qspid_t | Qspi driver structure |
 s_interrupt_source | Describes a PIO interrupt source, including the PIO instance triggering the interrupt and the associated interrupt handler |
 sam_uart_opt | Option list for UART peripheral initialization |
 sam_usart_opt_t | |
 StructCPtr | Structure of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers |
 StructCVPtr | Structure of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers |
 StructPtr | Structure of pointers to 64-, 32-, 16- and 8-bit unsigned integers |
 StructVPtr | Structure of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers |
 uart_config_optical | |
 uart_rs232_options | Input parameters when initializing RS232 and similar modes |
 Union16 | 16-bit union |
 Union32 | 32-bit union |
 Union64 | 64-bit union |
 UnionCPtr | Union of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers |
 UnionCVPtr | Union of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers |
 UnionPtr | Union of pointers to 64-, 32-, 16- and 8-bit unsigned integers |
 UnionVPtr | Union of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers |
 usart_iso7816_opt_t | |
 usart_spi_opt_t | |