User`s guide

To probe the preprocessor interface with an
oscilloscope
1 Connect the ground lead of the oscilloscope probe to one of the
ground pins on the preprocessor interface.
There are two ground pins on the top of the preprocessor interface. Refer to
Figure 3 for the locations of the ground pins.
2
Connect the other lead to the signal to be measured.
You also can probe all microprocessor signals at the PGA socket. Chapter 3
includes an illustration showing the locations of the preprocessor signals on
the PGA socket.
Setting Up the Preprocessor Interface
To probe the preprocessor interface with an oscilloscope
1–22 MC68306 Preprocessor