Today, FPGAs have evolved into highly powerful and complex devices with a large number of pins, offering engineers numerous opportunities to enhance functionality while reducing overall product costs. However, as their complexity increases, integrating these devices into printed circuit boards becomes more challenging. Engineers must map hundreds of logic signals to the physical pinout of the FPGA while ensuring electrical integrity. Additionally, advanced synthesis techniques are required to achieve timing closure efficiently, reduce the impact of design changes, and meet specific application requirements.
To address these challenges, optional FPGA-PCB optimization techniques can be used within PADS Professional. These techniques add HDL synthesis and advanced I/O optimization capabilities, creating a seamless interface between the HDL design environment and the physical PCB implementation. This integration significantly reduces time-to-market and lowers manufacturing costs.
Intuitive logic synthesis environments offer advanced optimization methods, award-winning timing analysis, and vendor-independent design inference techniques. These features accelerate time-to-market, eliminate design flaws, and deliver superior results quality (QoR).
FPGA I/O optimization plays a crucial role in improving routing efficiency and signal integrity by intelligently assigning pins. This process helps reduce design time, lower PCB manufacturing costs, and avoid costly redesigns caused by outdated FPGA symbols on the board. It also supports high-speed performance and streamlines schematic management for better efficiency.
PADS Professional integrates I/O optimization throughout the entire design process, allowing users to control data flow at any stage of the project. The schematic, PCB layout, and FPGA database remain synchronized, ensuring consistency and accuracy. Users can export optimization results to layout and manage FPGA components at both the project and enterprise library levels.
Assigning hundreds of HDL signals to FPGA pins manually is a complex task that requires strict adherence to vendor rules. PADS Professional simplifies this process with automatic assignment, signal standard supervision, drag-and-drop functionality, operand support, and dynamic filtering. Every pin assignment change is tracked through the FPGA-PCB workflow, ensuring consistency across the design.
The FPGA-PCB collaborative design module automates symbol generation, which is essential due to frequent changes in FPGA logic during a project’s lifecycle. This module enables error-free, fast, and controlled symbol creation, drastically reducing the time needed compared to manual methods.
Stack planning is an important step in PCB design, allowing engineers to optimize component placement and orientation before layout begins. This early-stage planning helps minimize flying leads, reduce signal interference, and improve overall design efficiency.
PADS Professional also supports multiple FPGA instances within a single project, automatically handling different logic functions across various designs. The module evaluates all possible interconnections for optimal performance, minimizes network interactions, and improves wiring completion rates.
Advanced synthesis algorithms focus on critical design areas such as finite state machines, cross-hierarchical paths, and high-combinational logic paths. These algorithms provide automated heuristics that deliver smaller, faster designs without requiring human intervention.
When RTL and technology schematics are compiled, they can be viewed in an RTL schematic format. After synthesis, a technology map database is created, helping users understand how their design maps to target FPGA technology.
The tool supports vendor-independent synthesis for major FPGA manufacturers, including Altera, Lattice, Microsemi, and Xilinx. This allows designers to use the same HDL source files and constraints across different devices, generating a synthetic netlist suitable for each vendor's tools.
PADS Professional fully supports a wide range of FPGA development tools, including Quartus II, Diamond, ispLEVER, Libero, ISE, and Vivado. It also provides comprehensive constraint management, supporting various sources like HDL code, SDC files, and global constraint sets.
Gated clocks, commonly used in ASIC designs, can cause issues when mapped to FPGAs. PADS Professional automatically converts these clocks using appropriate enable signals, avoiding clock skew and spurious signals.
Modern FPGAs include embedded DSP and RAM blocks. The synthesis tool recognizes different RTL coding styles and maps them to the appropriate resources, maximizing performance and area utilization. This feature ensures efficient use of available FPGA resources.
Finally, PADS Professional supports industry-standard hardware description languages such as Verilog, SystemVerilog, and VHDL/VHDL-2008. This flexibility allows designers to create and synthesize RTL designs in any combination of these formats, achieving optimal results.
PC Cable
PC Cable:MINI DIN,D-SUB,SCSI.The display connecting line includes the data cable connecting the host computer and the display screen, and the power cable connecting the power supply.
The common data cable types are: HDMI cable, VGA cable and DVI cable. There is also a DP cable for notebook!
This product is suitable for computer and automatic connection cable with rated voltage of 500V and below. K type B low density polyethylene (LDPE) with oxidation resistance is used for insulation of cable ground wire core. Polyethylene has high insulation resistance, good voltage resistance, small dielectric coefficient and small influence of dielectric loss temperature and variable frequency. It can not only meet the requirements of transmission performance, but also ensure the service life of the cable. One
In order to reduce the mutual crosstalk and external interference between loops, the cable adopts shielding structure. According to different occasions, the shielding requirements of cables are as follows: the combined shielding of twisted pair, the total shielding of cable composed of twisted pair, and the total shielding after the combined shielding of twisted pair.
Shielding materials include round copper wire, copper strip and aluminum / plastic composite belt. Shielding pair and shielding pair have good insulation performance. If there is potential difference between shielding pair and shielding pair, the transmission quality of signal will not be affected.
PC Cable
ShenZhen Antenk Electronics Co,Ltd , https://www.antenk.com