| CAUSE 1: | The specified Embedded System Block (ESB) ATOM uses more than two clear signals, but the APEX II device you specified for the current design supports only a maximum of two clear signals per ESB. |
| ACTION: | Modify the design so the ESB ATOM requires no more than two clear signals. |
| CAUSE 2: | The specified Embedded System Block (ESB) ATOM, which implements bidirectional dual-port RAM or is being used in packing mode as two independent 2,048-bit single-port RAM blocks, requires more than one clear signal for Port A or for Port B. However, the APEX II device you specified for the current design supports only a maximum of one of each signal per ESB port. |
| ACTION: | Modify the design so the ESB ATOM requires no more than one clear signal per port. |
See also:
Specifying the Device Family & Device for Compilation
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