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BDM100

After the security entries for the OBD2 programming get more and more difficult, a new possibility has come up for chiptuning of ECUs with Motorola MPC555 - 565.

This generation of Motorola processors contain 448KB - 1MB Flash memory. That memory cannot be read and programmed with an eprom programmer. Therfore it is possible over the so called BDM interface, which must be implemented on every ECU board. For that purpose there are mostly 10 solder pads on the PCB.

Alternative there are ECUs with 12 or 14 solder pads, which can be supplied with operating voltage over these pads.

The BDM100 connects these solder pads of the BDM port with the WinOLS PC over the USB bus. The BDM100 gets its operating voltage from the USB bus. The ECU needs its own supply voltage of +12 volts.