... be supplied with operating voltage over these pads.The BDM100 connects these solder pads of the BDM port ... the WinOLS PC over the USB bus. The BDM100 gets its operating voltage from the USB bus. ... its own supply voltage of +12 volts.The BDM100 is a universal reader/programmer (it does not ... the ECU supplied with MOTOROLA MPC5xx processor (essential).The BDM100 requires the ECU to be open, on the bench ...