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116 www.xilinx.com Development System Reference Guide
Chapter 5: Logical Design Rule Check
R
Primitive Pin Check
The primitive pin check verifies that certain pins on certain primitives are connected to
signals in the design. The following table shows which pins are tested on each NGD
primitive type.
Note:
If one of these pins is not connected to a signal, you receive a warning.
Table 5-1: Checked Primitive Pins
NGD Primitive Pins Checked
X_MUX SEL
X_TRI IN, OUT, and CTL
X_FF IN, OUT, and CLK
X_LATCH IN, OUT, and CLK
X_IPAD PAD
X_OPAD PAD
X_BPAD PAD