olc: an overloaded type-c

Current Version: 0.1.0

common

• CC1/CC2: used for orientation detection (5.1k pulldown to ground)
• GND: ground

normal

• VBUS: vbus

other pins used for whatever is needed

chip/som debug

• VBUS: reset
• SBU1/SBU2: swd or equivalent 2 wire debug
  • SBU1 is clk
  • SBU2 is data
• D1/D2: debug usb 2.0, either to onboard debugger or to som debug usb
• SSRX1+/SSTX1+: debug uart
  • from host side: RX is RX, TX is TX
• SSRX2+/SSTX2+: reserved for future use
• SSRX1-/SSTX1-/SSRX2-/SSTX2-: ground

olc-2

A 2 port spec combining a normal port and a debug port.

Normal port on left, debug on right, spaced 16mm apart center to center.