Uses of Interface
byucc.jhdl.Xilinx.UnmappableCell

Packages that use UnmappableCell

byucc.jhdl.Xilinx
byucc.jhdl.Xilinx.Virtex
byucc.jhdl.Xilinx.Virtex2
byucc.jhdl.Xilinx.XC4000
byucc.jhdl.Xilinx.XC9000

Uses of UnmappableCell in byucc.jhdl.Xilinx

Classes in byucc.jhdl.Xilinx that implement UnmappableCell

class	bufg The BUFG cell is a global buffer which distributes high-fanout clock signals throughout the device.
class	bufgp The BUFG cell is a global buffer which distributes high-fanout clock signals throughout the device.
class	gnd This class is the GND cell for the Xilinx tools as well as for JHDL simulation.
class	vcc This class is the VCC cell for the Xilinx tools as well as for JHDL simulation.
class	XilinxClockDriver

Uses of UnmappableCell in byucc.jhdl.Xilinx.Virtex

Classes in byucc.jhdl.Xilinx.Virtex that implement UnmappableCell

class	buf BUF is a general purpose, non-inverting buffer.
class	bufcf BUFCF is a single fast connect buffer used to connect the outputs of the LUTs and some dedicated logic directly to the input of another LUT.
class	bufe BUFE, BUFE4, BUFE8, and BUFE16 are single or multiple tristate buffers with inputs I, I3 - I0, I7 - I0, and I15 - I0, respectively; outputs O, O3 - O0, O7 - O0, and O15 - O0, respectively; and active-High output enable (E).
class	bufg_ann Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufge Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgls Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgs Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	buft BUFT is a 3-state buffer with input I, output O, and active-Low output enable (T).
class	capture_virtex CAPTURE_VIRTEX provides user control over when to capture register (flip-flop and latch) information for readback.
class	ibuf IBUF is a single input buffer.
class	ibuf_agp For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_ann IBUF is a single input buffer.
class	ibuf_ctt For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_gtl For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_gtlp For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_hstl_i For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_hstl_iii For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_hstl_iv For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_lvcmos2 For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_pci33_3 For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_pci33_5 For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_pci66_3 For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_sstl2_i For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_sstl2_ii For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_sstl3_i For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibuf_sstl3_ii For Virtex and Spartan2, IBUF and its variants (listed below) are single input buffers whose I/O interface corresponds to a specific I/O standard.
class	ibufg IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_agp IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_ctt IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_gtl IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_gtlp IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_hstl_i IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_hstl_iii IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_hstl_iv IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_lvcmos2 IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_pci33_3 IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_pci33_5 IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_pci66_3 IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_sstl2_i IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_sstl2_ii IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_sstl3_i IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufg_sstl3_ii IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ifd The IFD D-type flip-flop is contained in an input/output block (IOB).
class	ifdi The IFDI D-type flip-flop is contained in an input/output block (IOB).
class	inv The INV cell is an asynchronous inverter.
class	iobuf IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_agp IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_ctt IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_12 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_16 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_2 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_24 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_4 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_6 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_f_8 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_gtl IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_gtlp IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_hstl_i IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_hstl_iii IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_hstl_iv IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_lvcmos2 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_pci33_3 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_pci33_5 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_pci66_3 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_12 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_16 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_2 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_24 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_4 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_6 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_s_8 IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_sstl2_i IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_sstl2_ii IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_sstl3_i IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	iobuf_sstl3_ii IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	keeper
class	obuf OBUF is a single output buffer.
class	obuf_agp OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_ann OBUF is a single output buffer.
class	obuf_ctt OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_12 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_16 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_2 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_24 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_4 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_6 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_f_8 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_gtl OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_gtlp OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_hstl_i OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_hstl_iii OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_hstl_iv OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_lvcmos2 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_pci33_3 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_pci33_5 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_pci66_3 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_12 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_16 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_2 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_24 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_4 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_6 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_s_8 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_sstl2_i OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_sstl2_ii OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_sstl3_i OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_sstl3_ii OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuft OBUFT is a single 3-state output buffer with active-low enable.
class	obuft_agp OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_ctt OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_12 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_16 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_2 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_24 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_4 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_6 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_f_8 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_gtl OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_gtlp OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_hstl_i OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_hstl_iii OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_hstl_iv OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_lvcmos2 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_pci33_3 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_pci33_5 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_pci66_3 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_12 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_16 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_2 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_24 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_4 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_6 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_s_8 OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_sstl2_i OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_sstl2_ii OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_sstl3_i OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuft_sstl3_ii OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	ofd OFD, OFD4, OFD8, and OFD16 are single and multiple output D flip-flops except for XC5200 and XC9000.
class	ofde OFDE, OFDE4, OFDE8, and OFDE16 are single or multiple D flip-flops whose outputs are enabled by tristate buffers.
class	ofdi OFDI is contained in an input/output block (IOB).
class	ofdt OFDT, OFDT4, OFDT8, and OFDT16 are single or multiple D flip-flops whose outputs are enabled by a tristate buffers.
class	ofdtx OFDTX, OFDTX4, OFDTX8, and OFDTX16 are single or multiple D flip-flops whose outputs are enabled by a tristate buffers.
class	ofdtxi OFDTXI and its output buffer are contained in an input/output block (IOB).
class	pulldown PULLDOWN resistor elements are available in each XC4000 Input/Output Block (IOB).
class	pullup The pull-up element establishes a High logic level for open-drain elements and macros (DECODE, WAND, WORAND) or 3-state nodes (TBUF) when all the drivers are off.
class	SimulationBuffer
class	startup_virtex The STARTUP_VIRTEX primitive is used for Global Set/Reset, global 3-state control, and the user configuration clock.

Uses of UnmappableCell in byucc.jhdl.Xilinx.Virtex2

Classes in byucc.jhdl.Xilinx.Virtex2 that implement UnmappableCell

class	bufgce BUFGCE is a multiplexed global clock buffer with a single gated input.
class	bufgce_1 BUFGCE_1 is a multiplexed global clock buffer with a single gated input.
class	bufgdll Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgmux BUFGMUX is a multiplexed global clock buffer that can select between two input clocks I0 and I1.
class	bufgmux_1 BUFGMUX_1 is a multiplexed global clock buffer that can select between two input clocks I0 and I1.
class	capture_virtex2 CAPTURE_VIRTEX2 provides user control over when to capture register (flip-flop and latch) information for readback.
class	dcm DCM is a digital clock manager that provides multiple functions.
class	ibuf_lvttl IBUF is a single input buffer.
class	ibufds IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_blvds_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_diff_out IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_ldt_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvds_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvds_25_dci IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvds_33 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvds_33_dci IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvdsext_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvdsext_25_dci IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvdsext_33 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvdsext_33_dci IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvpecl_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_lvpecl_33 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufds_ulvds_25 IBUFDS is an input buffer that supports low-voltage, differential signaling.
class	ibufg_lvttl IBUFG and its variants (listed below) are dedicated input buffers for connecting to the clock buffer (BUFG) or CLKDLL.
class	ibufgds IBUFGDS is a dedicated differential signaling input buffer for connection to the clock buffer (BUFG) or DCM.
class	ibufgds_lvds_25 IBUFGDS is a dedicated differential signaling input buffer for connection to the clock buffer (BUFG) or DCM.
class	ibufgds_lvdsext_25 IBUFGDS is a dedicated differential signaling input buffer for connection to the clock buffer (BUFG) or DCM.
class	iobuf_sstl2_ii_dci IOBUF and its variants (listed below) are bi-directional buffers whose I/O interface corresponds to a specific I/O standard.The name extensions (LVCMOS2, PCI33_3, PCI33_5, etc.) specify the standard.
class	obuf_lvttl_f_12 OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obuf_sstl2_i_dci OBUF and its variants (listed below) are single output buffers whose I/O interface corresponds to a specific I/O standard.
class	obufds OBUFDS is a single output buffer that supports low-voltage, differential signaling (1.8v CMOS).
class	obufds_lvds_25 OBUFDS is a single output buffer that supports low-voltage, differential signaling (1.8v CMOS).
class	obufds_lvdsext_25 OBUFDS is a single output buffer that supports low-voltage, differential signaling (1.8v CMOS).
class	obuft_sstl2_i_dci OBUFT and its variants (listed below) are single 3-state output buffers with active-Low output Enable whose I/O interface corresponds to a specific I/O standard.
class	obuftds OBUFTDS is a single 3-state, differential signaling output buffer with active Low enable and a selectIO interface.
class	startup_virtex2 The STARTUP_VIRTEX2 primitive is used for Global Set/Reset, global 3-state control, and the user configuration clock.

Uses of UnmappableCell in byucc.jhdl.Xilinx.XC4000

Classes in byucc.jhdl.Xilinx.XC4000 that implement UnmappableCell

class	buffclk BUFFCLK (FastCLK buffer) provides the fastest way to bring a clock into the XC4000X device.
class	bufge_ann Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgls_ann Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgp_ann Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	bufgs_ann Each of the BUF*_ANN classes implements an Annotation-only buffer, i.e.
class	cy4_mode The cy4_mode block is the Annotation wrapper to indicate the exact carry function being implemented to the back end Xilinx tools.
class	oand2 OAND2 is a 2-input AND gate that is implemented in the output multiplexer of the XC4000X IOB.
class	omux2 The OMUX2 multiplexer chooses one data bit from two sources (D1 or D0) under the control of the select input (S0).
class	onand2 ONAND2 is a 2-input NAND gate that is implemented in the output multiplexer of the XC4000X IOB.
class	onor2 ONOR2 is a 2-input NOR gate that is implemented in the output multiplexer of the XC4000X IOB.
class	oor2 OOR2 is a 2-input OR gate that is implemented in the output multiplexer of the XC4000X IOB.
class	oxnor2 OXNOR2 is a 2-input exclusive NOR gate that is implemented in the output multiplexer of the XC4000X and SpartanXL IOB.
class	oxor2 OXOR2 is a 2-input exclusive OR gate that is implemented in the output multiplexer of the XC4000X IOB.
class	startup The STARTUP symbol is used for initializing the Global Set/Reset, global 3-state control, and the user configuration clock.

Uses of UnmappableCell in byucc.jhdl.Xilinx.XC9000

Classes in byucc.jhdl.Xilinx.XC9000 that implement UnmappableCell

class

bufgsr See the Xilinx Libraries guide for details.