FPGA main suppliers and products (3)

The Virtex series is the high-end product of Xilinx and the industry's top FPGA product. Xilinx has won the market with the Virtex series of products, thus gaining the leading position of FPGA supplier. It can be said that Xilinx leads the field programmable gate array industry with its Virtex-5, Virtex-4, Virtex-2 Pro and Virtex-2 family of FPGA products. Mainly for telecom infrastructure, automotive industry, high-end consumer electronics and other applications. Current mainstream chips include: Vitrex-2, Virtex-2 Pro, Virtex-4, and Virtex-5.

(1) Vitrex-2 series

The Vitrex-2 family has an excellent platform solution that further enhances its performance; and built-in IP core hard core technology that distributes hard IP cores anywhere on the chip, with more resources and higher than the Virtex family. performance. Its main features are as follows: 0.15/0.12 process; nuclear voltage is 1.5V, working clock can reach 420MHz; support more than 20 I/O interface standards; embedded multiple hard multipliers to improve DSP processing power Full system clock management with up to 12 DCM modules.

The main technical features of the Virtex-2 family of products are shown in the table below.

Table 3-10 Main technical features of the Virtex-2 series FPGA

(2) Virtex-2Pro series

Based on the Virtex-2, the Virtex-2 Pro family enhances embedded processing with the embedded PowerPC® 405 core and advanced AcTIve Interconnect technology to solve the challenges of high-performance systems. . In addition, high-speed serial transceivers have been added to provide a Gigabit Ethernet solution. The main features are as follows: 0.13 process; core voltage is 1.5V, working clock can reach 420MHz; support more than 20 I / O interface standards; 2 high-performance RISC technology, PowerPC? processor with frequency up to 400MHz Increased Rocket serial transceivers with multiple 3.125Gbps rates; embedded multiple hard multipliers for improved DSP processing; full system clock management with up to 12 DCM modules.

The main technical features of the Virtex-2 Pro series are shown in the table below.

Table 3-11 Main technical features of the Virtex-2 Pro series FPGA

(3) Virtex-4 series

Virtex-4 devices integrate up to 200,000 logic cells with up to 500 MHz performance and unparalleled system features. Based on the new Advanced Silicon Combination Module (ASMBL) architecture, Virtex-4 products provide a multi-platform approach (LX, SX, FX) that allows designers to select different development platforms based on their needs; high logic density, clock frequency can Up to 500MHz; with DCM module, PMCD phase-matched clock divider, on-chip differential clock network; 500MHz SmartRAM technology with integrated FIFO control logic, each I/O integrated with 1 Gbps I/O of ChipSync source synchronization technology and Xtreme DSP logic. Its main features are as follows: 90 processes are used, integrating up to 200,000 logic cells; system clock is 500MHz; 500MHz Smart RAM technology with integrated FIFO control logic; with DCM module, PMCD phase-matched clock divider and on-chip differential clock Network; each I/O integrates 1Gbps I/O of ChipSync source synchronization technology; with superior signal processing capability, integrating hundreds of XtremeDSP slices, the maximum processing rate of a single chip. The Virtex-4 LX platform FPGA features a density of up to 200,000 logic cells and is one of the world's highest logic density FPGA families for high logic gate applications.

The Virtex-4 SX platform increases the ratio of DSP, RAM and logic cells. It can provide up to 512 XtremeDSP hard cores and can operate at 500MHz. The maximum processing rate is 40 million different functions. Multiple combinations can be implemented to implement larger DSP blocks. Compared with the Virtex-2 Pro series, it also greatly reduces cost and power consumption, and has extremely low DSP cost. The FPGA of the SX platform is ideally suited for high-speed, real-time digital signal processing.

The Virtex-4 FX platform embeds 1 or 2 32-bit RISC PowerPCTM processors, providing four 1300 Dhrystone MIPS, 10/100/1000 adaptive Ethernet MAC cores, and Coprocessor Controller Unit (APU) Allows the processor to construct dedicated instructions in the FPGA to achieve FX device performance up to 20 times the fixed instruction mode; in addition, it also includes 24 Rocket I/O serial high-speed transceivers supporting common 0.6Gbps, 1.25 Gbps, 2.5 Gbps High-speed transmission rates of 3.125 Gbps, 4 Gbps, 6.25 Gbps, and 10 Gbps. The FX platform is ideal for complex computing and embedded processing applications.

The main technical features of the Virtex-4 series are shown in the table below.

Table 3-12 Main technical features of the Virtex-4 series FPGA

Table 3-13 Performance Comparison of Virtex-4 Series Platforms

(5) Virtex-5 series

The Virtex®-5 FPGA is the world's first 65nm FPGA family, built on 1.0V, tri-gate oxide technology, and offers 330,000 logic cells, 1,200 I/O pins, 48 ​​depending on the device selected. A low-power transceiver with built-in PowerPC?440, PCIe? endpoints and Ethernet MAC module. Five series of platforms have been provided, namely LX, LXT, SXT, FXT, TXT, each of which achieves the best balance of high performance logic, serial connectivity, signal processing and embedded processing performance. For example, LX is optimized for high-performance logic, and LXT is optimized for high-performance logic with low-power serial connectivity. SXT is optimized for DSP and memory-intensive applications with low-power serial connectivity. Virtex-5 FXT is used to implement embedded processing with the highest rate of serial connectivity. Virtex-5 TXT can be used to implement ultra-high bandwidth applications such as bridging, switching and aggregation in wired and data communication systems.

The main technical features of the existing Virtex-5 series are shown in the table below.

Table 3-14 Main technical features of Virtex-5 series FPGA

Its main features are as follows:

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