The following table lists and describes the control buttons:
| Buttons | Description |
|---|---|
| Zoom in - Increases the detail level of the view. The whole picture might not fit the viewing area. | |
| Zoom out - Decreases the detail level of the view. Processor Expert tries to fit the whole picture to the viewing area. | |
| Rotate - Rotates the package clockwise. | |
| Resources (available for BGA type packages only) - Selects Resources view mode that shows a top side of the package without pins but including list of peripherals and showing their allocation by components. | |
| Pins Bottom (available for BGA type packages only) - Selects Pins view mode that shows a bottom side of the package with pins. The peripherals are not shown in this mode because the surface is covered with pins. | |
| Pins Top - Selects Pins view mode that shows a top side of the package with pins. |
