Simple JTAG cable on parallel port with 4 resistors

Schematics

jtag-hairydairymaid.png

Pictures

Done without any soldering required.

Discussion

This cable does not seem to work on Lafonera 2100, which probably needs a 100ohm resistor between VCC and TRST, as mentioned on this schematic.

Bill of materials

  1. 1 old parallel port cable for printers
  2. 4 100 ohms resistors
  3. 1 Sucre
  4. 4 wires with some headers