Hello! for OSBDM with MC908JB16(FO27)?

[winter1999]

Hi all:
    Sorry for my English.
    I am newbie,
    I tried to build a OSBDM with MC908JB16,but this MC908JB16 with the mark "FO27",when I plug the BDM to the USB Port,Device Manager Tip "USB Composite Device" ,not ICP mode. What shall I do? Please help me,thanks!


  Best Regards

  winter
  2009.3.18

[pgo]

Dear Newbie,

Is sounds like the device isn't blank.

About the only suggestion I can make is to build a minimal mon08 interface and program or at least erase the chip that way. See the JB16 reference manual for the suggested circuit.

bye