PCA3 User Manual

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=Chapter 1  Introduction=
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The Terasic PCIe x4 Cable Adapter (PCA3) is used to connect a PCIe upstream slot with downstream target board via PCIe x4 cable, supporting PCIe x4 & x1 lanes. The PCA3 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.
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!rowspan="2"|Pin Numbers !!colspan="2"|Side B !!colspan="2"|Side A
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==Features==
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Figure 1-1 shows a photograph of the PCA3 card.<br/>
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::::[[File:PCA3 Exterior View.jpg|350px]]<br/>
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|1 ||NC ||NC ||PRSNT1n ||Hot-Plug presence detect
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:::::::Figure 1-1  Exterior View<br/>
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The key features of the card are listed below:<br/>
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|2 ||NC||NC ||NC ||NC
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:*Up to 8.0Gbps PCIe 3.0 Serial Re-Driver
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:*PCIe x4 Gen 3
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|3 ||NC||NC ||NC ||NC
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:*Adjustable receiver equalization
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:*Adjustable transmitter amplitude and de-emphasis
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|4 ||GND||Ground ||GND||Ground
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==Getting Help==
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|5 ||SMCLK||System Clock ||NC ||NC
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Here is information of how to get help if you encounter any problem:<br/>
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Terasic Technologies<br/>
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|6 ||SMDAT||System Data Line||NC ||NC
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:*Tel:  +886-3-550-8800
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:*Email: support@terasic.com.cn
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|7 ||GND||Ground ||NC ||NC
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=Chapter 2 Architecture=
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|8 ||VCC3P3||3.3V Power||NC ||NC
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This chapter provides information about architecture and block diagram of the PCA3 board.
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|9 ||NC ||NC ||VCC3P3||3.3V Power
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|10 ||3.3VAUX||3.3V Auxiliary Power||VCC3P3||3.3V Power
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|11 ||WAKE||NC||PERSTn||Fundamental Reset
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|colspan="5" style="text-align: center;"|Mechanical Key
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|12 ||RSVD ||Reserved ||GND||Ground
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|13 ||GND||Ground||REFCLK+ ||rowspan="2"|Reference clock<br/> (differential pair)
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|14 ||PETp0  || rowspan="2"|Transmitter differential <br/>pair,Lane 0  ||REFCLK-
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|15 ||PETn0 || GND||Ground
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|16 ||GND||Ground ||PERp0 || rowspan="2"|Receiver differential <br/>pair, Lane 0
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|17 ||PRSNT2n||Hot-Plug presence detect||PERn0
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|18 ||GND||Ground ||GND||Ground
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|19 ||PETp1 ||rowspan="2"|Transmitter differential <br/> pair,Lane 1 ||RSVD ||Reserved
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|20 ||PETn1 ||  GND||Ground
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|21 ||GND||Ground||PERp1||rowspan="2"|Receiver differential<br/> pair, Lane 1
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|22 ||GND||Ground||PERn1
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|23 ||PETp2 ||rowspan="2"|Transmitter differential <br/>pair,Lane 2 ||GND ||Ground
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|24 ||PETn2||GND ||Ground
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|25 ||GND||Ground ||PERp2 ||rowspan="2"|Receiver differential <br/>pair, Lane 2
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|26 ||GND||Ground ||PERn2
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|27 ||PETp3||rowspan="2"|Transmitter differential <br/>pair,Lane 3||GND ||Ground
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|28 ||PETn3||GND ||Ground
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|29 ||GND||Ground ||PERp3 ||rowspan="2"|Receiver differential <br/>pair, Lane 3
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|30 ||RSVD||Reserved||PERn3
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|31 ||PRSNT2n ||Hot-Plug presence detect ||GND||Ground
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|32 ||GND||Ground||RSVD||Reserved
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Revision as of 15:10, 20 October 2017

Contents

Chapter 1 Introduction

The Terasic PCIe x4 Cable Adapter (PCA3) is used to connect a PCIe upstream slot with downstream target board via PCIe x4 cable, supporting PCIe x4 & x1 lanes. The PCA3 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.

Features

Figure 1-1 shows a photograph of the PCA3 card.

PCA3 Exterior View.jpg
Figure 1-1 Exterior View

The key features of the card are listed below:

  • Up to 8.0Gbps PCIe 3.0 Serial Re-Driver
  • PCIe x4 Gen 3
  • Adjustable receiver equalization
  • Adjustable transmitter amplitude and de-emphasis

Getting Help

Here is information of how to get help if you encounter any problem:
Terasic Technologies

  • Tel: +886-3-550-8800
  • Email: support@terasic.com.cn

Chapter 2 Architecture

This chapter provides information about architecture and block diagram of the PCA3 board.

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