R

Chapter 4: Designing with the Core

Table 4-1:Formatting SPI-4.2 Interface Data (RDat) 64-bit User Interface (Example)

Data Received on the

RCtl

RDClk

Data Read

SnkFFClk

Control Bits Read

SPI-4.2 Interface

from the Sink FIFO

from

(RDat [15:0])

 

cycle

(SnkFFData[63:0])

cycle

the Sink FIFO

 

 

 

 

 

 

 

 

 

SOP

1

1

N/A

n

N/A

b:[1001.0000.0010.pppp]

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 0 (P0)

0

2

 

 

 

F1E2

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 1 (P1)

0

3

 

 

 

D3C4

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 2 (P2)

0

4

 

 

 

B5A6

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 3 (P3)

0

5

SnkFFData[63:0] =

n + 1

SnkFFSOP = 1

F9E8

 

 

P0.P1.P2.P3 =

 

SnkFFEOP = 0

 

 

 

[F1E2.D3C4.B5A6.F9

 

SnkFFMod = 000

SPI-4.2 Lite Word 4 (P4)

0

662

 

E8]

 

SnkFFErr = 0

1F2E

 

 

 

 

 

 

 

 

 

 

 

SnkFFAddr =

 

 

 

 

 

SPI-4.2 Lite Word 5 (P5)

0

7

 

 

 

 

00000010

 

 

 

 

 

3D4C

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 6 (P6)

0

8

 

 

 

5B6A

 

 

 

 

 

 

 

 

 

 

 

SPI-4.2 Lite Word 7 (P7)

0

9

SnkFFData[63:0] =

n + 2

SnkFFSOP= 0

9F8E

 

 

P4.P5.P6.P7 =

 

SnkFFEOP = 0

 

 

 

[1F2E.3D4C.5B6A.9F

 

SnkFFMod = 000

SPI-4.2 Lite Word 8 (P8)

0

10

 

8E]

 

SnkFFErr = 0

ABCD

 

 

 

 

 

 

 

 

 

 

 

SnkFFAddr =

 

 

 

 

 

SPI-4.2 Lite Word 9 (P9)

0

11

 

 

 

 

00000010

 

 

 

 

 

1200

 

 

 

 

 

 

 

 

 

 

 

EOP / MOD

1

12

 

 

 

b:[0110.aaaa.aaaa.pppp]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SnkFFData[63:0] =

n + 3

SnkFFSOP= 0

 

 

 

P8.P9 =

 

SnkFFEOP = 1

 

 

 

[ABCD.1200.0000.00

 

SnkFFMod = 011

 

 

 

00]

 

SnkFFErr = 0

 

 

 

 

 

 

 

 

 

 

SnkFFAddr =

 

 

 

 

 

00000010

 

 

 

 

 

 

56

www.xilinx.com

SPI-4.2 Lite v4.3 User Guide

 

 

UG181 June 27, 2008

Page 56
Image 56
Xilinx UG181 manual RCtl, Sink Fifo

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.