Xilinx SP605 User Manual

SP605 Hardware
User Guide

UG526 (v1.8) September 24, 2012

© Copyright 2009–2012 Xilinx, Inc. Xilinx, the Xilinx logo, Artix, ISE, Kintex, Spartan, Virtex, Zynq, and other designated brands included
herein are trademarks of Xilinx in the United States and other countries. All other trademarks are the property of their respective owners.

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http://www.xilinx.com/warranty.htm#critapps

.

; IP cores may be subject to warranty and

Revision History

The following table shows the revision history for this document.

Date Version Revision

10/07/09 1.0 Initial Xilinx release.

11/09/09 1.1 • Updated Figure 1-17 and Figure 1-23.

• Changed speed grade from -2 to -3.

• Miscellaneous typographical edits.

02/01/10 1.1.1 Minor typographical edits to Ta bl e 1 -2 4 and Ta b le 1 -2 5.

05/18/10 1.2 Updated Figure 1-2. Added Note 6 to Ta bl e 1-11 . Updated board connections for

SFP_TX_DISABLE in Tab le 1 -12. Added note about FMC LPC J63 connector in 18. VITA

57.1 FMC LPC Connector. Updated U1 FPGA Pin column for FMC_LA00_CC_P/N in
Ta bl e 1- 2 8. Updated description of PMBus Pod and TI Fusion Digital Power Software

GUI in Onboard Power Regulation. Updated Appendix C, VITA 57.1 FMC LPC

Connector Pinout, and Appendix D, SP605 Master UCF.

06/16/10 1.3 Updated 2. 128 MB DDR3 Component Memory. Added note 1 to Ta bl e 1- 30 .

09/24/10 1.4 Updated description of Fusion Digital Power Software in Onboard Power Regulation.

02/16/11 1.5 Revised oscillator manufacturer information from Epson to SiTime in Ta bl e 1-1 . Revised

oscillator manufacturer information from Epson to SiTime on page page 26. Deleted note
on page 44 referring to J55: “Note: This header is not installed on the SP605 as built.”
Revised values for R50 and R216 in Figure 1-12. Revised oscillator manufacturer
information from Epson to SiTime on page page 61.

07/18/11 1.6 Corrected “jitter” to “stability” in section Oscillator (Differential), page 26. Revised the

feature and notes descriptions for reference numbers 6 and 12 in Ta b le 1-1, p age 12 .
Revised FPGA pin numbers for ZIO and RZQ in Tab l e 1-4, page 1 7. Added Table 1-29,

page 55, Table 1-31, page 58, and table notes in Tab l e 1- 30 .

06/19/12 1.7 Removed reference to FPGA speed grade in 2. 128 MB DDR3 Component Memory,

page 16. Added IIC External Access Header, page 39. Updated SFP Module connector

reference designator in 8. Multi-Gigabit Transceivers (GTP MGTs), page 28.

SP605 Hardware User Guide www.xilinx.com UG526 (v1.8) September 24, 2012

Date Version Revision

09/24/12 1.8 Updated Figure 1-2, page 12. Added Regulatory and Compliance Information, page 73.

UG526 (v1.8) September 24, 2012 www.xilinx.com SP605 Hardware User Guide

SP605 Hardware User Guide www.xilinx.com UG526 (v1.8) September 24, 2012

Table of Contents

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Preface: About This Guide

Guide Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Additional Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Additional Support Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 1: SP605 Evaluation Board

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Related Xilinx Documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1. Spartan-6 XC6SLX45T-3FGG484 FPGA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

I/O Voltage Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2. 128 MB DDR3 Component Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3. SPI x4 Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4. Linear BPI Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

FPGA Design Considerations for the Configuration Flash . . . . . . . . . . . . . . . . . . . . . . . 23

5. System ACE CF and CompactFlash Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6. USB JTAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7. Clock Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Oscillator (Differential) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Oscillator Socket (Single-Ended, 2.5V or 3.3V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SMA Connectors (Differential) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8. Multi-Gigabit Transceivers (GTP MGTs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

9. PCI Express Endpoint Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

10. SFP Module Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

11. 10/100/1000 Tri-Speed Ethernet PHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

12. USB-to-UART Bridge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

13. DVI CODEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

14. IIC Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

IIC External Access Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

8-Kb NV Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

15. Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Ethernet PHY Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

FPGA INIT and DONE LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

16. User I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

User LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

User Pushbutton Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

User DIP Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

User SIP Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

User SMA GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

17. Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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Power On/Off Slide Switch SW2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

FPGA_PROG_B Pushbutton SW3 (Active-Low). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

SYSACE_RESET_B Pushbutton SW9 (Active-Low) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

System ACE CF CompactFlash Image Select DIP Switch S1 (Active-High) . . . . . . . . . . 51

Mode DIP Switch SW1 (Active-High). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

18. VITA 57.1 FMC LPC Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

19. Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

AC Adapter and 12V Input Power Jack/Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Onboard Power Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Appendix A: References

Appendix B: Default Jumper and Switch Settings

Appendix C: VITA 57.1 FMC LPC Connector Pinout

Appendix D: SP605 Master UCF

Appendix E: Regulatory and Compliance Information

Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

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UG526 (v1.8) September 24, 2012

About This Guide

This manual accompanies the Spartan®-6 FPGA SP605 Evaluation Board and contains
information about the SP605 hardware and software tools.

Guide Contents

This manual contains the following chapters:

• Chapter 1, SP605 Evaluation Board, provides an overview of and details about the
components and features of the SP605 board.

• Appendix B, Default Jumper and Switch Settings.

• Appendix C, VITA 57.1 FMC LPC Connector Pinout.

• Appendix D, SP605 Master UCF.

• Appendix A, References.

Preface

Additional Documentation

The following documents are available for download at

http://www.xilinx.com/products/spartan6/

• Spartan-6 Family Overview

This overview outlines the features and product selection of the Spartan-6 family.

• Spartan-6 FPGA Data Sheet: DC and Switching Characteristics

This data sheet contains the DC and switching characteristic specifications for the
Spartan-6 family.

• Spartan-6 FPGA Packaging and Pinout Specifications

This specification includes the tables for device/package combinations and maximum
I/Os, pin definitions, pinout tables, pinout diagrams, mechanical drawings, and
thermal specifications.

• Spartan-6 FPGA Configuration User Guide

This all-encompassing configuration guide includes chapters on configuration
interfaces (serial and parallel), multi-bitstream management, bitstream encryption,
boundary-scan and JTAG configuration, and reconfiguration techniques.

• Spartan-6 FPGA SelectIO Resources User Guide

This guide describes the SelectIO™ resources available in all Spartan-6 devices.

•Spartan-6 FPGA Clocking Resources User Guide

.

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Preface: About This Guide

• Spartan-6 FPGA Block RAM Resources User Guide

• Spartan-6 FPGA GTP Transceivers User Guide

• Spartan-6 FPGA DSP48A1 Slice User Guide

• Spartan-6 FPGA Memory Controller User Guide

• Spartan-6 FPGA PCB Designer’s Guide

This guide describes the clocking resources available in all Spartan-6 devices,
including the DCMs and PLLs.

This guide describes the Spartan-6 device block RAM capabilities.

This guide describes the GTP transceivers available in the Spartan-6 LXT FPGAs.

This guide describes the architecture of the DSP48A1 slice in Spartan-6 FPGAs and
provides configuration examples.

This guide describes the Spartan-6 FPGA memory controller block, a dedicated
embedded multi-port memory controller that greatly simplifies interfacing
Spartan-6 FPGAs to the most popular memory standards.

This guide provides information on PCB design for Spartan-6 devices, with a focus on
strategies for making design decisions at the PCB and interface level.

Additional Support Resources

To search the database of silicon and software questions and answers or to create a
technical support case in WebCase, see the Xilinx website at:

http://www.xilinx.com/support

.

8 www.xilinx.com SP605 Hardware User Guide

UG526 (v1.8) September 24, 2012

SP605 Evaluation Board

Overview

The SP605 board enables hardware and software developers to create or evaluate designs
targeting the Spartan®-6 XC6SLX45T-3FGG484 FPGA.

The SP605 provides board features common to many embedded processing systems. Some
commonly used features include: a DDR3 component memory, a 1-lane PCI Express®
interface, a tri-mode Ethernet PHY, general purpose I/O and a UART. Additional user
desired features can be added through mezzanine cards attached to the onboard high
speed VITA-57 FPGA Mezzanine Connector (FMC) low pin count (LPC) connector.

Features, page 10 provides a general listing of the board features with details provided in
Detailed Description, page 12.

Additional Information

Chapter 1

Additional information and support material is located at:

•

http://www.xilinx.com/sp605

This information includes:

• Current version of this user guide in PDF format

• Example design files for demonstration of Spartan-6 FPGA features and technology

• Demonstration hardware and software configuration files for the System ACE™ CF
controller, Platform Flash configuration storage device, and linear flash chip

• Reference Design Files

• Schematics in PDF format and DxDesigner schematic format

• Bill of materials (BOM)

• Printed-circuit board (PCB) layout in Allegro PCB format

• Gerber files for the PCB (Many free or shareware Gerber file viewers are available on
the Internet for viewing and printing these files.)

• Additional documentation, errata, frequently asked questions, and the latest news

For information about the Spartan-6 family of FPGA devices, including product highlights,
data sheets, user guides, and application notes, see the Spartan-6 FPGA website at

http://www.xilinx.com/support/documentation/spartan-6.htm

.

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UG526 (v1.8) September 24, 2012

Chapter 1: SP605 Evaluation Board

Features

The SP605 board provides the following features (see Figure 1-2 and Tab le 1 -1 ):

• 1. Spartan-6 XC6SLX45T-3FGG484 FPGA

• 2. 128 MB DDR3 Component Memory

• 3. SPI x4 Flash

• 4. Linear BPI Flash

• 5. System ACE CF and CompactFlash Connector

• 6. USB JTAG

• 7. Clock Generation

• Fixed 200 MHz oscillator (differential)

• Socket with a 2.5V 27MHz oscillator (single-ended)

• SMA connectors (differential)

• SMA connectors for MGT clocking (differential)

• 8. Multi-Gigabit Transceivers (GTP MGTs)

• FMC LPC connector

•SMA

•PCIe

• SFP module connector

• 9. PCI Express Endpoint Connectivity

•Gen1 x1

• 10. SFP Module Connector

• 11. 10/100/1000 Tri-Speed Ethernet PHY

• 12. USB-to-UART Bridge

• 13. DVI CODEC

• 14. IIC Bus

• IIC EEPROM - 1KB

•DVI CODEC

• DVI connector

• FMC LPC connector

• SFP Module connector

• 15. Status LEDs

•Ethernet Status

•FPGA INIT

•FPGA DONE

• 16. User I/O

•USER LED GPIO

• User pushbuttons

•CPU Reset pushbutton

•User DIP switch - GPIO

• User SMA GPIO connectors

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UG526 (v1.8) September 24, 2012

• 17. Switches

Spartan-6

XC6SLX45T-3FGG484

U1

PCIe 125 MHz Clk

SMA REFCLK
SFPCLK

FMC GBTCLK

Bank 0

2.5V

Bank 1

2.5V

Bank 3

1.5V

= Level Shifter

DVI IIC Bus

Bank 2

2.5V

Part of
FMC-LPC
Expansion
Connector

LED
DIP Switch
User SMA x2

1-Lane I/Fs:
PCIe Edge Conn.
SMA x4 SFP
FMC-LPC

10/100/1000
Ethernet PHY,

Status LEDs,
and Connector

SFP IIC Bus

JTAG

System ACE

JTAG

JTAG

MPU I/F

USB JTAG Logic
and USB Mini-B
Connector

DDR3
Component
Memory

Pushbuttons
DIP Switch

LED,
DIP Switch

SPI x4,
SPI Header

Part of FMC-LPC
Expansion Conn.

GPIO Header

USB UART and
USB Mini-B
Connector

DVI Codec and
DVI Connector

Parallel Flash

Main IIC Bus

UG526_01_110409

DED

MGTs

L/S

L/S

L/S

• Power On/Off slide switch

• System ACE CF Reset pushbutton

• System ACE CF bitstream image select DIP switch

•Mode DIP switch

• 18. VITA 57.1 FMC LPC Connector

• 19. Power Management

• AC Adapter and 12V Input Power Jack/Switch

• Onboard Power Regulation

• Configuration Options

• 3. SPI x4 Flash (both onboard and off-board)

• 4. Linear BPI Flash

• 5. System ACE CF and CompactFlash Connector

• 6. USB JTAG

Block Diagram

Overview

Figure 1-1 shows a high-level block diagram of the SP605 and its peripherals.

X-Ref Target - Figure 1-1

Figure 1-1: SP605 Features and Banking

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Chapter 1: SP605 Evaluation Board

15e

13

16b

19

7a

15h

1

2

3

4

8

15g

5

17c

9

3, 14 (on back side)

7b

10

18

6

12

16c

11

17b

15b 15a

17a

19b

15d

UG526_02 _092412

15c

8

7c

16d

17d

16a

15f

Related Xilinx Documents

Prior to using the SP605 Evaluation Board, users should be familiar with Xilinx resources.
See the following locations for additional documentation on Xilinx tools and solutions:

•ISE: www.xilinx.com/ise

• Answer Browser: www.xilinx.com/support

• Intellectual Property: www.xilinx.com/ipcenter

Detailed Description

Figure 1-2 shows a board photo with numbered features corresponding to Tab le 1-1 and

the section headings in this document.

X-Ref Target - Figure 1-2

Figure 1-2: SP605 Board

The numbered features in Figure 1-2 correlate to the features and notes listed in Ta bl e 1-1 .

Table 1-1: SP605 Features

Number Feature Notes

12 www.xilinx.com SP605 Hardware User Guide

1 Spartan-6 FPGA XC6SLX45T-3FGG484 FPGA 2–7

2 DDR3 Component Memory Micron MT41J64M16LA-187E 9

Schematic

Page

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Table 1-1: SP605 Features (Cont’d)

Detailed Description

Number Feature Notes

SPI Header Ext. x4

3

SPI Flash x4 (on backside)

4 Linear BPI Flash x16 Numonyx JS28F256P30T95 19

System ACE CompactFlash

5

Socket

USB UART (USB-to-UART

6

Bridge)

Clock Generation

7

8

9 PCIe 1-lane edge conn.(Gen 1) Card Edge Connector, 1-lane 12

10 SFP Module Cage/Connector AMP 136073-1 12

a. 200 MHz oscillator SiTime 200 MHz 2.5V LVDS 14

b. Oscillator socket, single­ended, LVCMOS

c. SMA connectors SMA pair P(J41) / N(J38) 13

GTP port SMA x4 and
MGT Clocking SMA (REFCLK)

Winbond W25Q64VSFIG 18

XCCACE-TQ144I Controller 20

Silicon Labs CP2103GM 32

200 MHz OSC, oscillator socket,
SMA connectors

MMD Components 2.5V 27 MHz 14

MGT RX,TX Pairs x4 SMA MGT
REFCLK x2 SMA

Schematic

Page

13, 14

13

11 Ethernet 10/100/1000 Marvell M88E1111 EPHY 11

12 USB JTAG Conn. (USB Mini-B) USB JTAG Download Circuit 15

13 DVI Codec and Video Connector Chrontel CH7301C-TF 16,17

14 IIC EEPROM (on backside) ST Micro M24C08-WDW6TP 15

10, 11, 14,

15

Status LEDs

a. FMC Power Good 10

b. System ACE CF Status 11

c. FPGA INIT and DONE 14

d. Ethernet PHY Status 18

e. JTAG USB Status 20

f. FPGA Awake 27

g. TI Power Good 31

h. MGT AVCC, DDR3 Term
Pwr Good

18, 20, 25,

27, 31, 33

33

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Chapter 1: SP605 Evaluation Board

Table 1-1: SP605 Features (Cont’d)

Number Feature Notes

a. User LEDs (4) Red LEDs (active-High) 14

16

17

18 FMC LPC Connector Samtec ASP-134603-01 10

19

b. User Pushbuttons (4) Active-High 14

c. User DIP Switch (4-pole) 4-pole (active-High) 14

d. User SMA (2) GPIO x2 SMA 13

Switches

a. SP605 Power On-Off Slide
Switch

b. FPGA Mode DIP Switch 18

c. System ACE CF
Configuration DIP Switch

d . F P GA PR OG , CP U Re se t,
and System ACE CF Reset
Pushbutton Switches

a. Power Management
Controller

b. Mini-Fit Type 6-Pin, ATX
Type 4-pin

Power, Configuration,
Pushbutton Switches

2x TI UCD9240PFC 21, 26

12V input power connectors 25

Schematic

Page

14, 18, 20,

25

25

20

14, 20

1. Spartan-6 XC6SLX45T-3FGG484 FPGA

A Xilinx Spartan-6 XC6SLX45T-3FGG484 FPGA is installed on the SP605 Evaluation Board.

References

See the Spartan-6 FPGA Data Sheet. [Ref 1]

Configuration

The SP605 supports configuration in the following modes:

•JTAG (using the included USB-A to Mini-B cable)

• JTAG (using System ACE CF and CompactFlash card)

•Master SPI x4

• Master SPI x4 with off-board device

• Linear BPI Flash

For details on configuring the FPGA, see Configuration Options.

Mode switch SW1 (see Table 1-32, page 60) is set to 10 = Slave SelectMAP to choose the
System ACE CF default configuration.

14 www.xilinx.com SP605 Hardware User Guide

UG526 (v1.8) September 24, 2012

Detailed Description

References

See the Spartan-6 FPGA Configuration User Guide for more information. [Ref 2]

SP605 Hardware User Guide www.xilinx.com 15

UG526 (v1.8) September 24, 2012

Chapter 1: SP605 Evaluation Board

I/O Voltage Rails

There are four available banks on the XC6SLX45T-3FGG484 device. Banks 0, 1, and 2 are
connected for 2.5V I/O. Bank 3 is used for the 1.5V DDR3 component memory interface of
Spartan-6 FPGA’s hard memory controller. The voltage applied to the FPGA I/O banks
used by the SP605 board is summarized in Ta bl e 1 -2 .

Table 1-2: I/O Voltage Rail of FPGA Banks

FPGA Bank I/O Voltage Rail

References

See the Xilinx Spartan-6 FPGA documentation for more information at

http://www.xilinx.com/support/documentation/spartan-6.htm

02.5V

12.5V

22.5V

31.5V

.

2. 128 MB DDR3 Component Memory

There are 128 MB of DDR3 memory available on the SP605 board. A 1-Gb Micron
MT41J64M16LA-187E (96-ball) DDR3 memory component is accessible through Bank 3 of
the LX45T device. The Spartan-6 FPGA hard memory controller is used for data transfer
across the DDR3 memory interface’s 16-bit data path using SSTL15 signaling. The SP605
board supports the “standard” VCCINT setting of 1.20V ± 5%. This setting provides
memory controller block (MCB) performance of 667 MT/s for DDR3 memory. Signal
integrity is maintained through DDR3 resistor terminations and memory on-die
terminations (ODT), as shown in Tab le 1 -3 and Ta bl e 1- 4.

Table 1-3: Termination Resistor Requirements

Signal Name Board Termination On-Die Termination

MEM1_A[14:0] 49.9Ω to V

MEM1_BA[2:0] 49.9Ω to V

MEM1_RAS_N 49.9Ω to V

MEM1_CAS_N 49.9Ω to V

MEM1_WE_N 49.9Ω to V

MEM1_CS_N 100Ω to GND –

MEM1_CKE 4.7 KΩ to GND –

MEM1_ODT 4.7 KΩ to GND –

TT

TT

TT

TT

TT

–

–

–

–

–

MEM1_DQ[15:0] – ODT

MEM1_UDQS[P,N], MEM1_LDQS[P,N] – ODT

MEM1_UDM, MEM1_LDM – ODT

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Table 1-3: Termination Resistor Requirements (Cont’d)

Signal Name Board Termination On-Die Termination

Detailed Description

MEM1_CK[P,N]

100Ω differential at memory

component

–

Notes:

1. Nominal value of VTT for DDR3 interface is 0.75V.

Table 1-4: FPGA On-Chip (OCT) Termination External Resistor Requirements

U1 FPGA Pin FPGA Pin Number Board Connection for OCT

ZIO M7 No Connect

RZQ K7 100Ω to GROUND

Tab le 1 -5 shows the connections and pin numbers for the DDR3 Component Memory.

Table 1-5: DDR3 Component Memory Connections

U1 FPGA

Pin

K2 MEM1_A0 N3 A0

K1 MEM1_A1 P7 A1

K5 MEM1_A2 P3 A2

M6 MEM1_A3 N2 A3

Schematic Net Name

Pin Number Pin Name

Memory U42

H3 MEM1_A4 P8 A4

M3 MEM1_A5 P2 A5

L4 MEM1_A6 R8 A6

K6 MEM1_A7 R2 A7

G3 MEM1_A8 T8 A8

G1 MEM1_A9 R3 A9

J4 MEM1_A10 L7 A10/AP

E1 MEM1_A11 R7 A11

F1 MEM1_A12 N7 A12/BCN

J6 MEM1_A13 T3 NC/A13

H5 MEM1_A14 T7 NC/A14

J3 MEM1_BA0 M2 BA0

J1 MEM1_BA1 N8 BA1

H1 MEM1_BA2 M3 BA2

R3 MEM1_DQ0 G2 DQ6

R1 MEM1_DQ1 H3 DQ4

P2 MEM1_DQ2 E3 DQ0

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Chapter 1: SP605 Evaluation Board

Table 1-5: DDR3 Component Memory Connections (Cont’d)

U1 FPGA

Pin

P1 MEM1_DQ3 F2 DQ2

L3 MEM1_DQ4 H7 DQ7

L1 MEM1_DQ5 H8 DQ5

M2 MEM1_DQ6 F7 DQ1

M1 MEM1_DQ7 F8 DQ3

T2 MEM1_DQ8 C2 DQ11

T1 MEM1_DQ9 C3 DQ9

U3 MEM1_DQ10 A2 DQ13

U1 MEM1_DQ11 D7 DQ8

W3 MEM1_DQ12 A3 DQ15

W1 MEM1_DQ13 C8 DQ10

Y2 MEM1_DQ14 B8 DQ14

Y1 MEM1_DQ15 A7 DQ12

H2 MEM1_WE_B L3 WE_B

Schematic Net Name

Pin Number Pin Name

Memory U42

M5 MEM1_RAS_B J3 RAS_B

M4 MEM1_CAS_B K3 CAS_B

L6 MEM1_ODT K1 ODT

K4 MEM1_CLK_P J7 CLK_P

K3 MEM1_CLK_N K7 CLK_N

F2 MEM1_CKE K9 CKE

N3 MEM1_LDQS_P F3 LDQS_P

N1 MEM1_LDQS_N G3 LDQS_N

V2 MEM1_UDQS_P C7 UDQS_P

V1 MEM1_UDQS_N B7 UDQS_N

N4 MEM1_LDM E7 LDM

P3 MEM1_UDM D3 UDM

E3 MEM1_RESET_B T2 RESET_B

References

See the Micron Technology, Inc. DDR3 SDRAM Specification for more information. [Ref 12]

Also, see the Spartan-6 FPGA Memory Controller User Guide. [Ref 3]

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3. SPI x4 Flash

SPI Prog

FPGA_D1_MISO2

J17

1

2

3

4

5

6

7

8

9

FPGA_D2_MISO3

FPGA_PROG_B

FPGA_MOSI_CSI_B_MISO0

SPI_CS_B

FPGA_CCLK

FPGA_D0_DIN_MISO_MISO1

UG526_03_092409

GND

VCC3V3

Silkscreen

TMS

TDI

TDO

TCK

GND

3V3

HDR_1X9

U1

FPGA SPI Interface

U32

J17

SPI x4

Flash

Memory

Winbond

W25Q64VSFIG

SPI Program

Header

SPI Select

Jumper

ON = SPI X4 U32
OFF = SPI EXT. J17

SPIX4_CS_B

DIN, DOUT, CCLK

SPI_CS_B

2

J46

1

UG526_04_092409

The Xilinx Spartan-6 FPGA hosts a SPI interface which is visible to the Xilinx iMPACT
configuration tool. The SPI memory device operates at 3.0V; the Spartan-6 FPGA I/Os are

3.3V tolerant and provide electrically compatible logic levels to directly access the SPI flash

through a 2.5V bank. The XC6SLX45T-3FGG484 is a master device when accessing an
external SPI flash memory device.

The SP605 SPI interface has two parallel connected configuration options (Figure 1-3): an
SPI X4 (Winbond W25Q64VSFIG) 64-Mb flash memory device (U32) and a flash
programming header (J17). J17 supports a user-defined SPI mezzanine board. The SPI
configuration source is selected via SPI select jumper J46. For details on configuring the
FPGA, see Configuration Options.

X-Ref Target - Figure 1-3

Detailed Description

Figure 1-3: J17 SPI Flash Programming Header

X-Ref Target - Figure 1-4

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UG526 (v1.8) September 24, 2012

Figure 1-4: SPI Flash Interface Topology

Chapter 1: SP605 Evaluation Board

Table 1-6: SPI x4 Memory Connections

U1 FPGA

Pin

Schematic Net Name

SPI MEM U32 SPI HDR J17

Pin # Pin Name Pin # Pin Name

AB2 FPGA_PROG_B – – 1 –

T14 FPGA_D2_MISO3 1 IO3_HOLD_B 2 –

R13 FPGA_D1_MISO2_R 9 IO2_WP_B 3 –

AA3 SPI_CS_B – – 4 TMS

AB20 FPGA_MOSI_CSI_B_MISO0 15 DIN 5 TDI

AA20 FPGA_D0_DIN_MISO_MISO1 8 IO1_DOUT 6 TDO

Y20 FPGA_CCLK 16 CLK 7 TCK

– – – –8GND

– – – – 9 VCC3V3

(1)

J46.2

Notes:

1. Not a U1 FPGA pin

SPIX4_CS_B 7 CS_B – –

References

See the Winbond Serial Flash Memory Data Sheet for more information. [Ref 13]

See the XPS Serial Peripheral Interface Data Sheet for more information. [Ref 4]

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UG526 (v1.8) September 24, 2012

4. Linear BPI Flash

U1 U25

FPGA

BPI Flash

Interface

Numonyx Type P30

JS28F256P30

ADDR, DATA, CTRL

UG526_05_092409

A Numonyx JS28F256P30 Linear Flash memory (U25) on the SP605 (Figure 1-5) provides
32 MB of non-volatile storage that can be used for configuration as well as software
storage. The Linear Flash is operated in asynchronous mode.

For details on configuring the FPGA, see Configuration Options.

X-Ref Target - Figure 1-5

Detailed Description

Figure 1-5: Linear BPI Flash Interface

Table 1-7: Linear Flash Connections

U1 FPGA Pin Schematic Net Name

N22 FLASH_A0 29 A1

N20 FLASH_A1 25 A2

M22 FLASH_A2 24 A3

M21 FLASH_A3 23 A4

L19 FLASH_A4 22 A5

K20 FLASH_A5 21 A6

H22 FLASH_A6 20 A7

H21 FLASH_A7 19 A8

L17 FLASH_A8 8 A9

K17 FLASH_A9 7 A10

G22 FLASH_A10 6 A11

U25 BPI FLASH

Pin Number Pin Name

G20 FLASH_A11 5 A12

K18 FLASH_A12 4 A13

K19 FLASH_A13 3 A14

H20 FLASH_A14 2 A15

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UG526 (v1.8) September 24, 2012

J19 FLASH_A15 1 A16

Chapter 1: SP605 Evaluation Board

Table 1-7: Linear Flash Connections (Cont’d)

U1 FPGA Pin Schematic Net Name

E22 FLASH_A16 55 A17

E20 FLASH_A17 18 A18

F22 FLASH_A18 17 A19

F21 FLASH_A19 16 A20

H19 FLASH_A20 11 A21

H18 FLASH_A21 10 A22

F20 FLASH_A22 9 A23

G19 FLASH_A23 26 A24

AA20 FPGA_D0_DIN_MISO_MISO1 34 DQ0

R13 FPGA_D1_MISO2 36 DQ1

T14 FPGA_D2_MISO3 39 DQ2

AA6 FLASH_D3 41 DQ3

AB6 FLASH_D4 47 DQ4

U25 BPI FLASH

Pin Number Pin Name

Y5 FLASH_D5 49 DQ5

AB5 FLASH_D6 51 DQ6

W9 FLASH_D7 53 DQ7

T7 FLASH_D8 35 DQ8

U6 FLASH_D9 37 DQ9

AB19 FLASH_D10 40 DQ10

AA18 FLASH_D11 42 DQ11

AB18 FLASH_D12 48 DQ12

Y13 FLASH_D13 50 DQ13

AA12 FLASH_D14 52 DQ14

AB12 FLASH_D15 54 DQ15

V13 FMC_PWR_GOOD_FLASH_RST_B 44 RST_B

R20 FLASH_WE_B 14 WE_B

P22 FLASH_OE_B 32 OE_B

P21 FLASH_CE_B 30 CE_B

T19 FLASH_ADV_B 46 ADV_B

T18 FLASH_WAIT 56 WAIT

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Detailed Description

FPGA Design Considerations for the Configuration Flash

The SP605 has the P30 BPI flash connected to the FPGA dual use configuration pins and is
not shared. It can be used to configure the FPGA, and then controlled post-configuration
via the FPGA fabric. After FPGA configuration, the FPGA design can disable the
configuration flash or access the configuration flash to read/write code or data.

When the FPGA design does not use the configuration flash, the FPGA design must drive
the FLASH_OE_B pin High in order to disable the configuration flash and put the flash
into a quiescent, low-power state. Otherwise, the flash memory can continue to drive its
array data onto the data bus causing unnecessary switching noise and power
consumption.

For FPGA designs that access the flash for reading/writing stored code or data, connect
the FPGA design or EDK embedded memory controller (EMC) peripheral to the flash
through the pins defined in Figure 1-5, page 17.

References

See the Numonyx StrataFlash Embedded Memory Data Sheet for more information. [Ref 14]

In addition, see the Spartan-6 FPGA Configuration User Guide for more information. [Ref 2]

5. System ACE CF and CompactFlash Connector

The Xilinx System ACE CompactFlash (CF) configuration controller allows a Type I or
Type II CompactFlash card to program the FPGA through the JTAG port. Both hardware
and software data can be downloaded through the JTAG port. The System ACE CF
controller supports up to eight configuration images on a single CompactFlash card. The
configuration address switches allow the user to choose which of the eight configuration
images to use.

The CompactFlash (CF) card shipped with the board is correctly formatted to enable the
System ACE CF controller to access the data stored in the card. The System ACE CF
controller requires a FAT16 file system, with only one reserved sector permitted, and a
sector-per-cluster size of more than one (UnitSize greater than 512). The FAT16 file system
supports partitions of up to 2 GB. If multiple partitions are used, the System ACE CF
directory structure must reside in the first partition on the CompactFlash, with the
xilinx.sys file located in the root directory. The xilinx.sys file is used by the System
ACE CF controller to define the project directory structure, which consists of one main
folder containing eight sub-folders used to store the eight ACE files containing the
configuration images. Only one ACE file should exist within each sub-folder. All folder
names must be compliant to the DOS 8.3 short file name format. This means that the folder
names can be up to eight characters long, and cannot contain the following reserved
characters: < > " / \ |. This DOS 8.3 file name restriction does not apply to the actual ACE
file names.

Other folders and files may also coexist with the System ACE CF project within the FAT16
partition. However, the root directory must not contain more than a total of 16 folder
and/or file entries, including deleted entries. When ejecting or unplugging the
CompactFlash device, it is important to safely stop any read or write access to the
CompactFlash device to avoid data corruption.

SP605 Hardware User Guide www.xilinx.com 23

UG526 (v1.8) September 24, 2012