R

Chapter 2: Core Architecture

The functional modules and signals which comprise the different interfaces are shown in Figure 2-2and defined in tables in the following sections.

 

SnkEn

 

 

Control

SnkOof

 

 

and

 

 

SnkBusErr

SPI-4.2 Lite Sink Core

Status

 

 

 

 

 

nterface

SnkTrainValid

 

 

 

SnkFFClk

 

 

 

SnkFFRdEn_n

 

 

 

SnkFFAddr[7:0]

 

 

 

SnkFFData[63:0] or [31:0]

 

 

 

SnkFFMod[2:0] or [1:0]

 

 

 

SnkFFSOP

 

 

 

SnkFFEOP

 

RDClk

 

SnkFFErr

 

RDat[15:0]

 

SnkFFPayloadErr

Sink Data

RCtl

FIFO

Sink Data

 

FIFO

Receive

nterface

SnkFFDIP4Err

 

 

 

SnkFFPayloadDIP4

 

 

 

SnkFFBurstErr

 

 

 

SnkFFAlmostEmpty_n

 

 

 

SnkFFEmpty_n

 

SPI-4

 

SnkFFValid

 

Sin

 

 

Interfa

 

 

 

 

SnkAlmostFull_n

 

 

 

SnkOverflow_n

 

 

 

SnkStatClk

 

 

 

SnkStatAddr[3:0]

 

 

FIFO

SnkStat[31:0]

 

 

Status

Sink Status

 

 

RSClk

nterface

SnkStatWrEn_n

Registers

 

SnkStatMask[15:0]

 

RStat[1:0]

 

 

 

 

 

 

Sink Status

 

SnkCalClk

 

Transmit

 

 

 

 

SnkCalWrEn_n

 

 

Calendar

SnkCalAddr[8:0]

Sink

 

Control

 

Calendar

 

 

 

nterface

SnkCalData[7:0]

 

 

 

 

SnkCalDataOut[7:0]

 

 

 

Static Configuration Signals

 

 

 

 

Reset_n

 

 

 

SnkFifoReset_n

 

 

Figure 2-2:Sink Core Block Diagram

20

www.xilinx.com

SPI-4.2 Lite v4.3 User Guide

UG181 June 27, 2008

Page 20
Image 20
Xilinx UG181 manual Sink Core Block Diagram

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.