ProtoJS - Freescale S08JS mini USB prototyping board

Submitted by GG on Wed, 06/18/2014 - 19:13
Project Status

protoJSProtoJS is small (5x5cm) board with a minimal S08JS implementation and a standard 100mil prototyping area. While similar in features to our microJS, protoJS is more suited to permanently wire simple one off USB projects.


  • support S08JS8 and S08JS16 in SO-20W package
  • support 3.3V and 5V I/O (stuff option)
  • mini USB connector
  • BDM connector (for programming/debugging)
  • All port pins routed to the headers
  • 2 LEDs (1 power, 1 controlled by PTB0)

protoJS back side

BOM options

I/O Voltage U1 U2 R3 R6 C7
5V MC9S08JS8/MC9S08JS16 no stuff no stuff 0 no stuff
3.3V MC9S08JS8L/MC9S08JS16L LD2981ABU33 0 no stuff 1uF
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