delay, bus, and BlackHole appear in most palettes for easy access. Most of the stars in the VHDL domain have equivalent counterparts in the SDF domain. See
"An overview of SDF stars" on page 5-4 for brief descriptions of these stars.
FIGURE 16-1: Top-level palette of stars in the VHDL domain.
16.3.1 Source Stars
Source stars have no inputs and produce data on their outputs. The figure below shows the palette of VHDL source stars. All of these are equivalent to the SDF stars of the same name.
16.3.2 Sink Stars
Sink stars have no outputs and consume data on their inputs. The figure below shows the palette of VHDL sink stars. All of these are equivalent to the SDF stars of the same name.
16.3.3 Arithmetic Stars
Arithmetic stars perform simple functions such as addition and multiplication. The figure below shows the palette of VHDL arithmetic stars. All of the stars are equivalent to the SDF stars of the same name.
16.3.4 Nonlinear Stars
Nonlinear stars perform simple functions. The figure below shows the palette of VHDL nonlinear stars. All of these are equivalent to the SDF stars of the same name.
16.3.5 Control Stars
Control stars are used for routing data and other control functions. The figure below shows the palette of VHDL control stars. All of these are equivalent to the SDF stars of the same name.
16.3.6 Conversion Stars
Conversion stars are used to convert between different data types. The figure below shows the palette of VHDL conversion stars. All of the stars are equivalent to the SDF stars of the same name.
16.3.7 Signal Processing Stars
The figure below shows the palette of VHDL signal processing stars. All of the stars are equivalent to the SDF stars of the same name (see
"Signal processing stars" on page 5-30).
FIGURE 16-8: Signal processing stars in the VHDL domain.