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Did you ever wonder how to power cycle your device to force it into Background Debug Mode? Are you trying to eliminate an external power supply from your manufacturing setup? You can accomplish either task by using a Cyclone PRO. Using the Cyclone PRO's internal power generation mechanism, you can control power for any HC08/HCS08/RS08/HC(S)12 device.

In fact, controlling the power through a Cyclone PRO is crucial for HCS08/RS08 device applications which may not have a dedicated RESET pin. This is because power cycling the device is necessary in order to fully automate the FLASH programming procedure.

To configure a Cyclone PRO to provide power to pin 6 of the BDM header, set power jumpers 2, 3 and 4 on the side of the Cyclone unit. To provide power to pin 15 of the 16-pin MON08 header, set power jumpers 1, 2 and 3. Once the power jumpers are set, select "Provide Power to Target" from the Connection Assistant and/or Cyclone Image Creation Utility and the Cyclone PRO will take care of the rest. You can choose between 5V, 3V and 2V levels.


The Cyclone PRO is also able to toggle power for most high-power/high-voltage devices. The internal electromechanical relays can handle power supplies with a maximum switched current of 1A and a maximum switched voltage of up to 30VDC. In order to automate power cycling with an external power supply, insert it into the Cyclone's "Target Power In" jack. Use the power cord that's included in the Cyclone PRO kit to connect the output of the Cyclone's "Target Power Out" jack to the power input of your board. Then be sure to set power jumper 5 on the side of the Cyclone unit, leaving jumpers 1, 2, 3 and 4 un-populated.

To learn more about Cylcone power management options, please download our Cyclone PRO User's Manual.





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