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

- u -

• u16 : ITM_Type
• u32 : ITM_Type
• u8 : ITM_Type
• udp : uip_stats
• UIDL : SIM_Type
• UIDMH : SIM_Type
• UIDML : SIM_Type
• uncompress : sicslowpan_nh_compressor
• up : tmenu_item
• USBCTRL : USB_Type
• USBFRMADJUST : USB_Type
• USBTRC0 : USB_Type