Port - Miscellaneous

Credit Card Reader Port

J3
Designator
J3
Role
Card reader RS232+5V
Connector
Molex 5268-04
Housing
Molex 5264-04
Crimp
Molex 5263
Pin #Pin NameAnotation
1GND
2TXDbillmock In.
3RXDbillmock out.
45V5V Power out
  • 5V Power output maximum rating is Peak 2.2A 300mS trip, 1.1A nominal MAX.

DC Power Jack

J1
Designator
J1
Role
Extra DC Power Jack
Connector
DC Jack 5.5pi - 2.0pi
  • 12V input is recommended (maximum 16V).
  • In addition to the bottom DC jack, it is also recommended to receive power through the 10-pin Molex ports on the bottom left (J5) and bottom right (J4).
  • Using the top terminal (J9) or the top 10-pin Molex (J7/J8) for power input is not recommended.

Program debugging (SWD/JTAG)

DEBUG
Role
STM32 SWD
Connector
TC2030