keypadscan.cxt

适用于FPGA的SOPC方面的元器件添加

	Nm CDATA #REQUIRED
	DivideBy (2 | 4 | 6 | 8 | 10 | 12 | 14 | 16) #REQUIRED
>

<!ELEMENT SDot (IPort, OPort)>
<!ATTLIST SDot
	Nm CDATA #REQUIRED
>


<!ELEMENT Lb (LbT*, Mc*, SDot*)>
<!ATTLIST Lb
	Nm CDATA #REQUIRED
>

<!ELEMENT LbT (OPort, IPort+)>
<!ATTLIST LbT
	Nm CDATA #REQUIRED
	PtT (XBR_A | XBR_B | XBR_C | XBR_CT | XBR_CT_X) #REQUIRED
>

<!ELEMENT Mc (RMux*, ClkMux?, XorMux?, OeMux?, FbMux*, InBuf?, OutBuf?, DFlop?, Or?, SDot*)>
<!ATTLIST Mc
	Nm CDATA #REQUIRED
>

<!ELEMENT Or (OPort, IPort+)>
<!ATTLIST Or
	Nm CDATA #REQUIRED
>

<!ELEMENT ClkMux (IPort, OPort)>
<!ATTLIST ClkMux
	Nm CDATA #REQUIRED
	Rate (1 | 2) #IMPLIED
>

<!ELEMENT RMux (IPort)>
<!ATTLIST RMux
	Nm CDATA #REQUIRED
>

<!ELEMENT OeMux (IPort)>
<!ATTLIST OeMux
	Nm CDATA #REQUIRED
>