Raspberry Pi Pinout

GPIO 27

Alt0Alt1Alt2Alt3Alt4Alt5
SD0 DAT3TE1DPI D23SD1 DAT3JTAG TMS
  • Physical/Board pin 13
  • GPIO/BCM pin 27
  • Wiring Pi pin 2
  • GPIO/BCM pin 21 on Rev 1 ( very early ) Pi