This is a valid DRC error . The address bit 15 is only used in cascadable block RAM. The valid addresses for non-cascadable block RAM are only found on pin 14 to (15 - address width). The remaining pins , including pin 15, should be tied High. Please refer page 29 and 37 of the following user guidetofind more information on the DRC.
http://www.xilinx.com/support/documentation/user_guides/ug473_7Series_Memory_Resources.pdf
| AR# 45761 | |
|---|---|
| Date | 12/15/2012 |
| Status | Active |
| Type | General Article |
| Devices |
|
| Tools |
|