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Unformatted text preview: rate). Traces damaged while soldering. Not following instructions when building board (e.g., address latches or resistors like R6 are not soldered). PC not set up correctly (e.g., USB port on PC not functioning properly or USB driver not installed properly). Jumpers are not in the right place. The 68HC12 has tiny hair-like solder or wire fragments across some pins. Board has a manufacturing defect. If you are not using the USB port for power, power-supply connector soldered backwards, thus, ruining the board and HC12. If you are not using the USB port for power, power supply not working properly....
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This note was uploaded on 11/13/2011 for the course EEL 4744c taught by Professor Staff during the Fall '09 term at University of Florida.
- Fall '09