Altera PCA Manual de usuario
CONTENTS
CHAPTER 1 INTRODUCTION OF THE PCA CARD ...............................................................................2
1.1 Features ......................................................................................................................................................2
1.2 About the KIT.............................................................................................................................................3
1.3 Getting Help ...............................................................................................................................................4
CHAPTER 2 PCA CARD ARCHITECTURE.............................................................................................5
2.1 Layout and Components.............................................................................................................................5
2.2 Block Diagram of the PCABoard..............................................................................................................6
CHAPTER 3 BOARD COMPONENT.......................................................................................................8
3.1 PCIe Edge Connector.................................................................................................................................8
3.2 PCIe Cable Connector..............................................................................................................................10
3.3 Switches....................................................................................................................................................13
3.4 LEDs.........................................................................................................................................................16
CHAPTER 4 SET UP ON PCA...............................................................................................................18
4.1 Introduction ..............................................................................................................................................18
4.2 System Requirements...............................................................................................................................18
CHAPTER 5 APPENDIX......................................................................................................................25
5.1 Revision History.......................................................................................................................................25
5.2 Copyright Statement.................................................................................................................................25
1
Chapter 1
Introduction of the PCA Card
PCA(PCIe Cable Adapter)，which is used to connect PCIe upstream slot with downstream target
board by a PCIe X4 cable , supports the PCIe X4 & X1 mode. PCA card can provide programmable
equalization, amplification, and de-emphasis for PCIe transceiver signal by using 8 select bits. It is
also available to optimize performance over a variety of physical mediums by reducing
Inter-symbol interference.
2
1.1
1.1
Features
Features
Figure 1-1 shows a photograph of the PCACard.
Figure 1-1 Layout of the PCA card
The key features of the card are listed below:
•Up to 5.0Gbps PCIe 2.0 Serial Re-Driver
•PCIe X4 Gen 2
•Adjustable receiver equalization
•Adjustable transmitter amplitude and de-emphasis
3
1.2
1.2
About
the
KIT
About the KIT
The PCA kit will come with the following contents:
•PCA card
Please visit PCIe_Cable.terasic.com download the PCA user manual.
Figure 1-2 shows the photograph of the PCAkit content.
Figure 1-2 PCA kit package contents
4
1.3
1.3
Getting
Help
Getting Help
Here is information of how to get help if you encounter any problem:
Terasic Technologies
•Tel: +886-3-550-8800
•Email: [email protected]
Chapter 2
PCA Card Architecture
This chapter provides information about architecture and block diagram of the PCA board.
5
2.1
2.1
Layout
and
Components
Layout and Components
The picture of the PCA card is shown in Figure 2-1 and Figure 2-2. It depicts the layout of the
board and indicates the locations of the connectors and key components.
Figure 2-1 The PCA Card PCB and component diagram (top view)
Figure 2-2 The PCA Card PCB and component diagram (bottom view)
6
2.2
2.2
Block
Diagram
of
the
PCA
Board
Block Diagram of the PCA Board
Figure 2-3 shows the block diagram of the PCAcard.
Figure 2-3 Block Diagram of PCA card
7
Chapter 3
Board Component
This chapter describes the specifications of the on board components.
8
3.1
3.1
PCIe
Edge
Connector
PCIe Edge Connector
This Edge connector is used to connect the PCA with PC motherboard PCIe slot, as show Figure
3-1 and Figure 3-2.
Figure 3-1 PCA Edge Connector
Figure 3-2 plug the PCA into motherboard PCIe slot
9
The pins are numbered as shown with side A on the top of the centerline on the solder side of the
board and side B on the bottom of the centerline on the component side of the board.
The PCIe interface pins PETpx, PETnx, PERpx, and PERnx are named with the following
convention: “PE” stands for PCIe high speed, “T” for Transmitter, “R” for Receiver, “p” for
positive (+), and “n” for negative (-).
Note that adjacent differential pairs are separated by two ground pins to manage the connector
crosstalk.
Table 3-1 gives the wiring information of the PCIe Edge connector.
Table 3-1 Pin assignments and descriptions on PCIe Edge connector
Side B Side A
Pin Numbers Name Description Name Description
1 NC NC PRSNT1n Hot-Plug
presence detect
2 NC NC NC NC
3 NC NC NC NC
4 GND Ground GND Ground
5 NC NC NC NC
6 NC NC NC NC
7 GND Ground NC NC
8 VCC3P3 3.3V Power NC NC
9 NC NC VCC3P3 3.3V Power
10 3.3VAUX 3.3 V Auxiliary
Power VCC3P3 3.3V Power
11 WAKE NC PERSTn Fundamental
Reset
Mechanical Key
12 RSVD Reserved GND Ground
13 GND Ground REFCLK+
14 PETp0 REFCLK-
Reference clock
(differential
pair)
15 PETn0
Transmitter
differential pair,
Lane 0 GND Ground
16 GND Ground PERp0
17 PRSNT2n Hot-Plug
presence detect PERn0 Receiver
differential pair,
Lane 0
18 GND Ground GND Ground
19 PETp1
20 PETn1
Transmitter
differential pair,
Lane 1 GND Ground
21 GND Ground PERp1
22 GND Ground PERn1
Receiver
differential pair,
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