Source Core Interfaces

R

Table 2-17:Source Core Clock Status Signals: Master Configuration (Continued)

Signal Name

Direction

Clock

Description

Domain

 

 

 

 

 

 

 

DCMLost_TDClk

Output

N/A

Indicates TDClk input has stopped (status

 

 

 

bit one of TDClk DCM)

 

 

 

 

SrcClksRdy

Output

N/A

Indicates all Source core clocks are ready

 

 

 

for use.

 

 

 

 

Table 2-18:Source Core Clocks: Slave Configuration

Clock Pins

Direction

Description

Max Freq.

 

 

 

 

SysClk0_GBSLV

Input

SysClk0: This clock is

Virtex-5: 275 MHz

 

(user interface)

used to clock the internal

Virtex-4: 190 MHz

 

source core logic.

 

 

Virtex-II Pro: 160 MHz

 

 

 

 

 

 

Virtex-II: 160 MHz

 

 

 

Spartan-3: 115 MHz

 

 

 

Spartan-3E: 90 MHz

 

 

 

Spartan-3A/3AN/3A DSP:

 

 

 

105 MHz

 

 

 

 

SysClk180_GBSL

Input

SysClk180: This clock is

Virtex-5: 275 MHz

V

(user interface)

the inverted equivalent of

Virtex-4: 190 MHz

 

SysClk0_GBSLV. It is used

 

 

Virtex-II Pro: 160 MHz

 

 

to clock the internal

 

 

Virtex-II: 160 MHz

 

 

Source core logic.

 

 

 

Spartan-3: 115 MHz

 

 

 

Spartan-3E: 90 MHz

 

 

 

Spartan-3A/3AN/3A DSP:

 

 

 

105 MHz

 

 

 

 

TSClk_GBSLV

Input

TSClk: This clock is one-

Virtex-5: 69 MHz

 

(user interface)

fourth the frequency of

Virtex-4: 47.5 MHz

 

TDClk.

 

 

Virtex-II Pro: 40 MHz

 

 

 

 

 

 

Virtex-II: 40 MHz

 

 

 

Spartan-3: 28.75 MHz

 

 

 

Spartan-3E: 22.5 MHz

 

 

 

Spartan-3A/3AN/3A DSP:

 

 

 

105 MHz

 

 

 

 

SPI-4.2 Lite v4.3 User Guide

www.xilinx.com

41

UG181 June 27, 2008

Page 41
Image 41
Xilinx UG181 manual Domain

UG181 specifications

Xilinx UG181 refers to the User Guide for the Xilinx 7 Series FPGAs, which offers a comprehensive overview of the architecture, capabilities, and features of these powerful field-programmable gate arrays (FPGAs). Designed to cater to a wide range of applications, Xilinx 7 Series FPGAs are widely adopted in industries such as telecommunications, automotive, aerospace, and consumer electronics.

One of the main features of the Xilinx 7 Series FPGAs is their use of advanced 28nm technology, which enables them to achieve high performance while maintaining low power consumption. This fine process technology not only ensures better power efficiency but also allows for increased logic density. The 7 Series includes several families, such as Artix-7, Kintex-7, and Virtex-7, each tailored for specific application demands ranging from cost-sensitive solutions to high-performance data processing.

Xilinx 7 Series FPGAs also incorporate a rich set of programmable logic resources. This includes Look-Up Tables (LUTs), Flip-Flops, and Digital Signal Processing (DSP) slices that have been optimized for various arithmetic functions. With several thousands of logic cells available, designers can implement complex algorithms and systems directly in hardware for improved performance over traditional software solutions.

In addition to their logic capabilities, Xilinx 7 Series FPGAs feature an array of high-speed serial communication interfaces. These include support for technologies like PCI Express, Gigabit Ethernet, and Serial RapidIO, which facilitate efficient data transfer and integration into enterprise-level systems. The presence of high-speed transceivers also makes them ideal for applications that require fast data handling like video processing or high-frequency trading.

Furthermore, these FPGAs offer extensive memory options, including support for a wide range of external memory interfaces. This versatility allows for the integration of high-bandwidth memory solutions, which is essential for performance-intensive applications. With the introduction of the Memory Controller IP, users can easily connect various memory types, ensuring flexibility in system design.

Finally, Xilinx has made significant strides in development tools for 7 Series FPGAs, providing a robust ecosystem for design engineers. With design suites such as Vivado and SDK, users benefit from a comprehensive platform for deciding, simulating, and implementing designs efficiently. The combination of advanced hardware capabilities and powerful software tools solidifies the position of Xilinx 7 Series FPGAs as a preferred choice for custom digital hardware design across various industries.