Specifications

CHAPTER 5: PLACE & ROUTE
PRESERVING ASSIGNMENTS THROUGH BACK-ANNOTATION
110 ■ INTRODUCTION TO QUARTUS II ALTERA CORPORATION
and location of LogicLock regions. You can specify assignments to back-
annotate in the Back-Annotate Assignments dialog box (Assignments
menu).
The Back-Annotate Assignments dialog box allows you to select the type of
back-annotation: Default type or Advanced type. See Figure 11.
Figure 11. Back-Annotate Assignments Dialog Box
The Back-Annotate Assignments (Default type) dialog box allows you to
“demote” pin and/or logic cell assignments to less restrictive location
assignments so that you can allow the Fitter more freedom in rearranging
Back-Annotate Assignments
dialog box (Advanced type)
Back-Annotate Assignments dialog box
(
Default type)