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java.lang.Objectbyucc.jhdl.base.Nameable
byucc.jhdl.base.Node
byucc.jhdl.base.Cell
byucc.jhdl.base.Structural
byucc.jhdl.Logic.LogicGates
byucc.jhdl.Logic.LogicStatic
byucc.jhdl.Logic.Logic
byucc.jhdl.Xilinx.BasicMemory
byucc.jhdl.Xilinx.XilinxBasicMemoryCL
byucc.jhdl.Xilinx.Virtex2.lut2
LUT1, LUT2, LUT3, and LUT4 are, respectively, 1-, 2-, 3-, and 4-bit look-up-tables (LUTs) with general output (O). A mandatory INIT attribute, with an appropriate number of hexadecimal digits for the number of inputs, must be attached to the LUT to specify its function. LUT1 provides a look-up-table version of a buffer or inverter. LUTs are the basic Virtex2 and Spartan2 building blocks. Two LUTs are available in each CLB slice; four LUTs are available in each CLB. The variants, \"LUT1_D, LUT2_D, LUT3_D, LUT4_D\" and \"LUT1_L, LUT2_L, LUT3_L, LUT4_L,\" provide additional types of outputs that can be used by different timing models for more accurate pre-layout timing estimation. (Source: XACT Libraries Guide, Chapter 7 LUT1, 2, 3, 4, Xilinx Corporation, 1999.)
| Field Summary | |
static CellInterface[] |
cell_interface
The port interface for: lut2 i : in (2) o : out (1) |
static java.lang.String |
cellname
The static cellname (netlist reference name) for lut2 |
| Fields inherited from class byucc.jhdl.Xilinx.XilinxBasicMemoryCL |
implicit_interface |
| Fields inherited from class byucc.jhdl.Xilinx.BasicMemory |
bitmasksl, contents |
| Fields inherited from class byucc.jhdl.Logic.Logic |
ABOVE, ALIGN_BOTTOM, ALIGN_CENTER, ALIGN_LEFT, ALIGN_LSB, ALIGN_MSB, ALIGN_RIGHT, ALIGN_TOP, BELOW, DOWN, EAST_OF, LEFT_OF, MAX_PACK, NORTH_OF, ON, ONTOP, ONTOP_OF, RIGHT_OF, SOUTH_OF, TOLEFT, TORIGHT, UNCONSTRAINED, UP, WEST_OF |
| Fields inherited from class byucc.jhdl.Logic.LogicGates |
tech_mapper |
| Fields inherited from class byucc.jhdl.base.Cell |
BOOLEAN, CELL_NAME_DECLARATION, CellInterfaceDeterminesUniqueNetlistStructure, DETERMINE_FROM_STRING, GENERICS_DECLARATION, IMPLICIT_INTERFACE_DECLARATION, INTEGER, INTERFACE_DECLARATION, LONG, PORT_IOS_DECLARATION, PORT_NAMES_DECLARATION, PORT_NET_NAMES_DECLARATION, PORT_PROPERTIES, PORT_WIDTHS_DECLARATION, SIGN_EXT, STRING, ZERO_PAD |
| Constructor Summary | |
protected |
lut2(Node parent)
Used only by child classes to pass up the parent cell. |
|
lut2(Node parent,
ArgBlockList abl)
Constructs a new lut2, connecting its ports as given by the String-Wire pairs in the ArgBlockList. |
protected |
lut2(Node parent,
java.lang.String name)
Used only by child classes to pass up the parent cell and instance name. |
|
lut2(Node parent,
java.lang.String instanceName,
ArgBlockList abl)
Constructs a new lut2, connecting its ports as given by the String-Wire pairs in the ArgBlockList. |
|
lut2(Node parent,
java.lang.String instanceName,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1)
Constructs a new lut2, connecting each Wire to the port whose name is given by the accompanying String parameter
The initial String parameter specifies the instance name. |
|
lut2(Node parent,
java.lang.String instanceName,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String INIT)
Constructs a new lut2, connecting each Wire to the port whose name is given by the accompanying String parameter
The initial String parameter specifies the instance name. |
|
lut2(Node parent,
java.lang.String name,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2)
|
|
lut2(Node parent,
java.lang.String name,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2,
java.lang.String INIT)
|
|
lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1)
Constructs a new lut2, connecting each Wire to the port whose name is given by the accompanying String parameter |
|
lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String INIT)
Constructs a new lut2, connecting each Wire to the port whose name is given by the accompanying String parameter
The final String parameters set the generics , INIT |
|
lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2)
|
|
lut2(Node parent,
java.lang.String instanceName,
Wire i,
Wire o)
Constructs a new lut2. |
|
lut2(Node parent,
java.lang.String instanceName,
Wire i,
Wire o,
java.lang.String INIT)
Constructs a new lut2. |
|
lut2(Node parent,
Wire i,
Wire o)
Constructs a new lut2. |
|
lut2(Node parent,
Wire i,
Wire o,
java.lang.String INIT)
Constructs a new lut2. |
| Method Summary | |
boolean |
cellInterfaceDeterminesUniqueNetlistStructure()
When false, the default behavior of this method, each cell will list itself separately in a netlist, guaranteeing that the netlist will not have invalid data at the expense of a larger file-size. |
java.lang.String |
getCellName()
Access the cell name associated with a derived class. |
static void |
main(java.lang.String[] argv)
|
void |
propagate()
Users defined propagatable behavior using standard JHDL constructs. |
static void |
test()
|
int |
type()
This method returns one of the predefined schematic constants to identify the type of this cell. |
| Methods inherited from class byucc.jhdl.Xilinx.XilinxBasicMemoryCL |
connectImplicitPorts |
| Methods inherited from class byucc.jhdl.Xilinx.BasicMemory |
defaultSimulationModelIsBehavioral, getBits, getMemoryElement, getMemoryRange, getMemoryWidth, getSize, hexStr2Long, hexString2bin, init, initialize, padBits, read, readl, reset, reverseBits, shiftl, splitBits, write |
| Methods inherited from class byucc.jhdl.base.Node |
addObservable, addSimulatorCallback, checkAll, delete, getBuildingFlag, getChildren, getChildrenEnumeration, getInstanceName, getParent, getParentCell, getRelatives, getSystem, getWires, optimize, orphanAllowed, printAllChildren, printTree, removeSimulatorCallback, setDefaultClock |
| Methods inherited from class byucc.jhdl.base.Nameable |
caseSensitivity, caseSensitivity, disableNameClashChecking, getFullName, getFullNameNoTestBench, getHierNameNoTestBench, getInstanceNo, getInstanceNumber, getLeafName, getLeafName, getRelativeName, getUserName, getUserName, hasUserSpecifiedName, isDescendantOf, setInstanceNumber |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
public static final java.lang.String cellname
public static CellInterface[] cell_interface
| Constructor Detail |
protected lut2(Node parent)
parent - Parent cell
protected lut2(Node parent,
java.lang.String name)
parent - Parent cellname - Instance name of the cell
public lut2(Node parent,
Wire i,
Wire o)
parent - The parent Cell to the lut2i - The Wire to be connected to input port io - The Wire to be connected to output port o
public lut2(Node parent,
java.lang.String instanceName,
Wire i,
Wire o)
String parameter specifies the instance name.
parent - The parent Cell to the lut2instanceName - The instance name of the lut2i - The Wire to be connected to input port io - The Wire to be connected to output port o
public lut2(Node parent,
Wire i,
Wire o,
java.lang.String INIT)
String parameters set the generics , INIT
parent - The parent Cell to the lut2i - The Wire to be connected to input port io - The Wire to be connected to output port oINIT - The String assignment for generic INIT
public lut2(Node parent,
java.lang.String instanceName,
Wire i,
Wire o,
java.lang.String INIT)
String parameter specifies the instance name.
The final String parameters set the generics , INIT
parent - The parent Cell to the lut2instanceName - The instance name of the lut2i - The Wire to be connected to input port io - The Wire to be connected to output port oINIT - The String assignment for generic INIT
public lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1)
Wire to the port whose name is given by the accompanying String parameter
parent - The parent Cell to the lut2s0 - The name of the port to which w0 will be connectedw0 - The Wire to be connected to the port specified by s0s1 - The name of the port to which w1 will be connectedw1 - The Wire to be connected to the port specified by s1
public lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String INIT)
Wire to the port whose name is given by the accompanying String parameter
The final String parameters set the generics , INIT
parent - The parent Cell to the lut2s0 - The name of the port to which w0 will be connectedw0 - The Wire to be connected to the port specified by s0s1 - The name of the port to which w1 will be connectedw1 - The Wire to be connected to the port specified by s1INIT - The String assignment for generic INIT
public lut2(Node parent,
java.lang.String instanceName,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1)
Wire to the port whose name is given by the accompanying String parameter
The initial String parameter specifies the instance name.
parent - The parent Cell to the lut2instanceName - The instance name of the lut2s0 - The name of the port to which w0 will be connectedw0 - The Wire to be connected to the port specified by s0s1 - The name of the port to which w1 will be connectedw1 - The Wire to be connected to the port specified by s1
public lut2(Node parent,
java.lang.String instanceName,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String INIT)
Wire to the port whose name is given by the accompanying String parameter
The initial String parameter specifies the instance name.
The final String parameters set the generics , INIT
parent - The parent Cell to the lut2instanceName - The instance name of the lut2s0 - The name of the port to which w0 will be connectedw0 - The Wire to be connected to the port specified by s0s1 - The name of the port to which w1 will be connectedw1 - The Wire to be connected to the port specified by s1INIT - The String assignment for generic INIT
public lut2(Node parent,
ArgBlockList abl)
String-Wire pairs in the ArgBlockList. Any generic assignments are made through String-String pairs in the ArgBlockList.
parent - The parent Cell to the lut2abl - The list of String-Wire pairs for port assignments, and String-String pairs for generic assignments.
public lut2(Node parent,
java.lang.String instanceName,
ArgBlockList abl)
String-Wire pairs in the ArgBlockList. Any generic assignments are made through String-String pairs in the ArgBlockList.
The initial String parameter is the instance name.
parent - The parent Cell to the lut2instanceName - The instance name of the lut2abl - The list of String-Wire pairs for port assignments, and String-String pairs for generic assignments.
public lut2(Node parent,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2)
public lut2(Node parent,
java.lang.String name,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2,
java.lang.String INIT)
public lut2(Node parent,
java.lang.String name,
java.lang.String s0,
Wire w0,
java.lang.String s1,
Wire w1,
java.lang.String s2,
Wire w2)
| Method Detail |
public java.lang.String getCellName()
Cell
getCellName in class Cellpublic final boolean cellInterfaceDeterminesUniqueNetlistStructure()
Cell
cellInterfaceDeterminesUniqueNetlistStructure in class Cellpublic final void propagate()
Structural
propagate in interface byucc.jhdl.base.Propagateablepropagate in class Structuralpublic int type()
PreDefinedSchematic
type in interface PreDefinedSchematicpublic static void main(java.lang.String[] argv)
public static void test()
|
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