R

 

 

 

 

 

PAR Reports

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number

of LOCed IOBs

78

out of

80

97%

 

 

Number of

RAMB16s

1

out

of

12

8%

 

 

Number of

SLICEs

26

out

of

1408

1%

Overall effort level (-ol): High (set by user)

Placer effort level (-pl): High (set by user)

Placer cost table entry (-t): 1

Router effort level (-rl): High (set by user)

Starting initial Timing Analysis. REAL time: 31 secs

Finished initial Timing Analysis. REAL time: 31 secs

As shown in the next section, PAR reports different phases of the placer and identifies which phase is being executed. The checksum number shown is for Xilinx debugging purposes only and does not reflect the quality of the placer run. A running tally of the time transpired since starting PAR is also shown in this section of the PAR report.

Starting Placer

Phase 1.1

Phase 1.1 (Checksum:989a1f) REAL time: 43 secs

Phase 2.31

Phase 2.31 (Checksum:1312cfe) REAL time: 43 secs

Phase 3.2

Phase 3.2 (Checksum:1c9c37d) REAL time: 47 secs

Phase 4.30

Phase 4.30 (Checksum:26259fc) REAL time: 47 secs

Phase 5.3

Phase 5.3 (Checksum:2faf07b) REAL time: 47 secs

Phase 6.5

Phase 6.5 (Checksum:39386fa) REAL time: 47 secs

Phase 7.8

Phase 7.8 (Checksum:9a609d) REAL time: 47 secs

Phase 8.5

Phase 8.5 (Checksum:4c4b3f8) REAL time: 47 secs

Phase 9.18

Phase 9.18 (Checksum:55d4a77) REAL time: 47 secs

Phase 10.24

Phase 10.24 (Checksum:5f5e0f6) REAL time: 47 secs

Phase 11.27

Phase 11.27 (Checksum:68e7775) REAL time: 47 secs

Development System Reference Guide

www.xilinx.com

175

Page 175
Image 175
Xilinx 8.2i manual Development System Reference Guide 175

8.2i specifications

Xilinx 8.2i is a significant version of the Xilinx ISE (Integrated Software Environment) that emerged in the early 2000s, marking an important milestone in the world of FPGA (Field-Programmable Gate Array) development. This version introduced a slew of advanced features, technologies, and characteristics that made it an indispensable tool for engineers and developers in designing, simulating, and implementing digital circuits.

One of the standout features of Xilinx 8.2i is its enhanced design entry capabilities. This version supports multiple design entry methods, including schematic entry, VHDL, and Verilog HDL, giving engineers the flexibility to choose their preferred approach. The integrated environment provides user-friendly graphical interfaces, making it accessible for both novice and experienced users.

Xilinx 8.2i's synthesis tools have been improved to enable more efficient design compilation and optimization. The new algorithms used in this version facilitate faster synthesis times while reducing power consumption and improving performance. Furthermore, it features support for advanced FPGA architectures, which allows for the implementation of more complex designs with greater efficiency.

The implementation tools in Xilinx 8.2i include advanced place and route capabilities, utilizing state-of-the-art algorithms for optimized resource usage. These tools enable designers to make better use of FPGA resources, ensuring that designs fit within the constraints of the target device while maximizing performance.

Another key characteristic of Xilinx 8.2i is its extensive support for various Xilinx devices such as the Spartan, Virtex, and CoolRunner series. This compatibility ensures that developers can leverage the powerful features of these FPGA families, including high-speed transceivers and DSP slices.

Xilinx 8.2i also places a strong emphasis on simulation and verification. The version integrates with various simulation tools, allowing for thorough testing of the designs before implementation. This reduces the risk of errors and ensures that the final product meets specifications.

In addition, this version includes support for design constraints, enabling engineers to specify timing, area, and other critical design parameters. By accommodating constraints, Xilinx 8.2i helps in achieving reliable and efficient designs tailored to project needs.

In summary, Xilinx 8.2i is a robust software development tool that enhances the design process for FPGAs. Its comprehensive features, including multiple design entry options, advanced synthesis and implementation tools, extensive device support, and strong simulation capabilities, make it a valuable resource for engineers and developers striving for innovation in digital design.