Alinx AX7202 Manuel utilisateur

ARTIX-7 FPGA

Development Board

AX7202

User Manual

ARTIX-7 FPGA Development Board AX7202 User Manual

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Version Record

Version

Date

Release By

Description

Rev 1.2

2023-02-23

Rachel Zhou

First Release

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Table of Contents

Version Record .............................................................................................2

Part 1: FPGA Development Board Introduction .......................................... 6

Part 2: AC7200 Core Board Introduction ...................................................10

Part 2.1: FPGA Chip ........................................................................... 12

Part 2.2: Active Differential Crystal .....................................................13

Part 2.3: 200Mhz Active Differential clock ..........................................14

Part 2.4: 148.5Mhz Active Differential Crystal ................................... 15

Part 2.5: DDR3 DRAM ........................................................................16

Part 2.6: QSPI Flash ...........................................................................21

Part 2.7: LED Light on Core Board .................................................... 23

Part 2.8: Reset Button ........................................................................ 24

Part 2.9: JTAG Interface .....................................................................25

Part 2.10: Power Interface on the Core Board .................................. 26

Part 2.11: Board to Board Connectors ............................................... 27

Part 2.12: Power Supply .....................................................................34

Part 2.13: Structure Diagram ..............................................................35

Part 3: Carrier Board ..................................................................................36

Part 3.1: Carrier Board Introduction ................................................... 36

Part 3.2: Gigabit Ethernet Interface ................................................... 37

Part 3.3: SFP Interface ....................................................................... 39

Part 3.4: VGA display interface .......................................................... 42

Part 3.5: USB2.0 Interface ................................................................. 44

Part 3.6: SD Card Slot ........................................................................46

Part 3.7: USB to Serial Port ................................................................48

Part 3.8: RS232 Interface ...................................................................50

Part 3.9: EEPROM 24LC04 ................................................................51

Part 3.10: Real time clock DS1302 .................................................... 52

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Part 3.11: Expansion Header ............................................................. 53

Part 3.12: JTAG Interface ...................................................................56

Part 3.13: keys ....................................................................................57

Part 3.14: LED Light ........................................................................... 58

Part 3.15: Power Supply .....................................................................59

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This ARTIX-7 FPGA development platform adopts the core board + carrier

board mode, which is convenient for users to use the core board for secondary

development.

In the design of carrier board, we have extended a wealth of interfaces for

users, such as 2 fiber interfaces, 1 Gigabit Ethernet interfaces, 1 USB2.0 , VGT

output interface, RS232 interface etc. It meets user's requirements for

high-speed data exchange, video transmission processing and industrial

control. It is a "Versatile" ARTIX-7 FPGA development platform. It provides the

possibility for high-speed video transmission, pre-validation and

post-application of network and fiber communication and data processing. This

product is very suitable for students, engineers and other groups engaged in

ARTIX-7FPGA development.

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Part 1: FPGA Development Board Introduction

The entire structure of the AX7202 FPGA development board is inherited

from our consistent core board + carrier board model. A high-speed inter-board

connector is used between the core board and the carrier board.

The core board is mainly composed of FPGA + 2 DDR3 + QSPI FLASH,

which undertakes the functions of high-speed data processing and storage of

FPGA, high-speed data reading and writing between FPGA and two DDR3s,

data bit width is 32 bits, and the bandwidth of the whole system is up to 25Gb.

/s(800M*32bit); The two DDR3 capacities are up to 8Gbit, which meets the

need for high buffers during data processing. The selected FPGA is the

XC7A200T chip of XILINX's ARTIX-7 series, in BGA 484 package. The

communication frequency between the XC7A200T and DDR3 reaches 400Mhz

and the data rate is 800Mhz, which fully meets the needs of high-speed

multi-channel data processing. In addition, the XC7A200T FPGA features four

GTP high-speed transceivers with speeds up to 6.6Gb/s per channel, making it

ideal for fiber-optic communications and PCIe data communications.

The AX7202 carrier board expands its rich peripheral interface, including 2

SFP interfaces, 1 Gigabit Ethernet interfaces, 1 USB2.0 HOST interfaces, 1

VGA output interface, 1 RS232 interface, 1 UART serial interface. 1 SD card

interface, 2-way 40-pin expansion header, some keys and RTC circuit.

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Figure 1-1-1: The Schematic Diagram of the AX7202

Through this diagram, you can see the interfaces and functions that the

AX7202 FPGA Development Board contains:

Artix-7 FPGA core board

The core board consists of XC7A200T + 8Gb DDR3 + 128Mb QSPI

FLASH. There are two high-precision Sitime LVDS differential crystals,

one at 200MHz and the other at 148.5MHz, providing stable clock input

for FPGA systems and GTP modules.

1-channel Gigabit Ethernet Interface RJ-45 interface

The Gigabit Ethernet interface chip uses Realtek's RTL8211EG

Ethernet PHY chip to provide network communication services to users.

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RTL8211EG chip supports 10/100/1000 Mbps network transmission

rate. Full duplex and adaptive

2-channel high-speed SFP Interface

The two high-speed transceivers of the GTP transceiver of ARTIX-7

FPGA are connected to the transmission and reception of two optical

modules to realize two high-speed optical fiber communication

interfaces. Each fiber optic data communication receives and transmits

at speeds up to 6.6 Gb/s.

1-channel VGA Output interface

The development board uses ADI's ADV7123 chip to achieve VGA

output, realizing 24-bit true color RGB digital signal analog conversion,

resolution up to 1080p@60Hz output.

1-channel USB2.0 Interface

USB2.0 high-speed communication between FPGA development board

and PC is realized by Cypress CY7C68013A USB2.0 controller chip;

1-channel Uart to USB interface

1 Uart to USB interface for communication with the computer for user

debugging. The serial port chip is the USB-UAR chip of Silicon Labs

CP2102GM, and the USB interface is the MINI USB interface.

1-channel RS232 interface

Uart to RS232 interface for data communication with a computer or

other settings. The RS232 conversion chip is the MAX323, and the

RS232 interface uses the standard DB9 interface.

Micro SD card slot

1-port Micro SD card holder, support SD mode and SPI mode

RTC real time clock

Onboard RTC real time clock with battery holder, battery model

CR1220

EEPROM

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Onboard an IIC interface EEPROM 24LC04

2-way 40-pin expansion port

2-way 40-pin 0.1inch spacing expansion port can be connected to

various ALINX modules (binocular camera, TFT LCD screen,

high-speed AD module, etc.). The expansion port contains 1 channel

5V power supply, 2 channel 3.3V power supply, 3 way ground, 34 IOs

port.

JTAG Interface

A 10-pin 0.1 spacing standard JTAG ports for FPGA program download

and debugging.

keys

4 keys; 1 reset key (on the core board)

LED Light

5 user LEDs (1 on the core board and 4 on the carrier board)

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Part 2: AC7200 Core Board Introduction

AC7200 (core board model, the same below) FPGA core board, it is based

on XILINX's ARTIX-7 series 200T AC7200-2FGG484I. It is a high-performance

core board with high speed, high bandwidth and high capacity. It is suitable for

high-speed data communication, video image processing, high-speed data

acquisition, etc.

This AC7200 core board uses two pieces of MICRON's

MT41J256M16HA-125 DDR3 chip, each DDR has a capacity of 4Gbit; two

DDR chips are combined into a 32-bit data bus width, and the read/write data

bandwidth between FPGA and DDR3 is up to 25Gb; such a configuration can

meet the needs of high bandwidth data processing.

The AC7200 core board expands 180 standard IO ports of 3.3V level, 15

standard IO ports of 1.5V level, and 4 pairs of GTP high speed RX/TX

differential signals. For users who need a lot of IO, this core board will be a

good choice. Moreover, the routing between the FPGA chip and the interface is

equal length and differential processing, and the core board size is only 45*55

(mm), which is very suitable for secondary development.

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