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Experimental Board 1.3 for Series 1 FPGA Boards

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Table of Contents

Features
Functional description
    External power: CON1 and CON8
    JTAG connector: CON7, CON9, JP3 and JP4
    I/O voltages: JP1
    Experimental Board I/O Connector
Compatibility notes
Images

Additional resources

Schematics (PDF)
Eagle Library of the I/O connectors
Source files as Reference design

Accessories

Expansion Board

Development Board / Experimental Bord 1.3 for USB-FPGA Boards

Features

  • Baseboard for USB-FPGA Modules 1.2, 1.11 and 1.15.
  • High-efficiency switching regulators to generate the supply voltages
    • 1.2 V @ 8 A
    • 2.6 V @ 2.5 A
    • 3.3 V @ 2.5 A
    • Wide input range: 4.5 to 16 V
  • I/O voltages VCCO_RIGHT / VCCO_IO and VCCO_TOP can be easily and independently set to 3.3V, 2.6V, 1.2V or to an external voltage.
  • All I/O Ports available on a standard 2.54 mm (0.1 inch) grid via six 1x23 pin connectors to which Expansion Boards or Breadboards can be connected
  • Downward pin compatible to Experimental Board 1.2 and Experimental Board 1.1
  • JTAG interface for the FPGA

[TOC]

Functional description

The following drawing shows the measurements and the location of the of the described elements.

Technical drawing of the Experimental Board 1.3
Click on the image for a larger version or download the PDF version.

External power: CON1 and CON8

CON1 is a standard DC power jack with 2.1mm center pin (+) diameter and 5.5mm barrel (-) diameter for a supply voltage of 4.5 V to 16 V.

Alternatively CON8 can be used to connect non standard power cables. The ground pin of CON8 (round pad) is marked with "-" and the supply pin (quadratic pad) is marked with "+", see the images below.

It is also possible to supply the external voltage via the Vin pin of the Experimental Board I/O Connector described below.

If non-stabilized power supplies are used it must be made sure that the peak voltage is not larger then 18V.

Hints for power supply via USB can be found on the ZTEX Wiki.

JTAG connector: CON7, CON9, JP3 and JP4

The Experimental Board contains two JTAG connectors. CON9 is a 14 pin, 2.0mm pitch connector standardized by Xilinx. CON7 can be used to connect non-standard JTAG programmes.

The pin descriptions can be found in the silk screen (see the images).

The voltage for the I/O signals (TCK,TMS,TDI,TDO) is 2.6V. The supply pin of this voltage is labelled with "VIO". The "3V3" pin to CON7 can be used as 3.3V supply for the JTAG adapter.

On USB-FPGA Modules 1.2 jumpers JP3 and JP4 can be closed to enforce JTAG configuration mode. But usually this is not required since the JTAG interface is always enabled. On Spartan 6 USB-FPGA Modules 1.11 and 1.15 these jumpers have no function.

I/O voltages: JP1

Jumper JP1 sets the I/O VCCO_IO(=VCCO_RIGHT) and VCCO_TOP, respectively.

On Spartan 6 USB-FPGA Modules 1.11 and 1.15 V_TOP has no function. (The I/O voltage of the pins at rows C,D and F of the I/O Connector is fixed to 3.3V.)

By closing this jumpers (see images below) the I/O voltages can be switched easily to 3.3V, 2.6V or 1.2V. If other I/O voltages are required the jumpers must be left open and the I/O voltage must be supplied via th VIO or VT pins of the Experimental Board I/O Connector, respectively.

[TOC]

Experimental Board I/O Connector

Six 1x23 pin connectors deliver I/O signals and voltages to user circuits. This I/O connectors is downward compatible with Experimental Boards 1.2 and 1.1.

The drawing shows the position of the connectors.

The Pinlist and the List of Connections are can be downloaded in Gnumeric or Excel format. The following table is is a short version the these files:

 Experimental Board 1.3  USB-FPGA Modules
 I/O Con.   EZ-USB FX2 pin  FPGA pin
Pin Pin name Pin -100 -128  1.2   1.11   1.15 
A1 Vin A1, B1
A2 3V3
A3 GND
A4 A3 A3 22 28 C18
A5 B3 B3 23 29
A6 A4 A4 24 30
A7 SCL A6 29 36 F22
A8 SDA B6 30 37 E22
A9 GND B13
A10 VIO
A11 B12 B12 73 B14 B18
A12 A12 A12 74 A14 A18
A13 A13 A13 76 C13 D17
A14 B14 B14 77 D11 C17
A15 A14 A14 78 D12 A17
A16 B15 B15 79 F10 D15
A17 A15 A15 80 E11 C14
A18 B17 B17 82 E10 C11
A19 A17 A17 83 C10 A11
A20 B25 B25 95 F7 D9
A21 A18 A18 85 B12 C13
A22 B19 B19 86 C9 D11
A23 A19 A19 87 A9 C12
A24 B20 B20 89 D8 F10
A25 A20 A20 90 C8 C15
A26 VIO
A27 GND
A28 B24 B24 92 C7 D10
A29 A24 A24 93 A7 C10
A30 B18 B18 84 A12 A13
A31 A25 A25 96 E6 D8
A32 B26 B26 97 D6 B8
A33 A26 A26 98 C6 A8
A34 B27 B27 99 B6 D7
A35 A27 A27 100 A6 C8
A36 B28 B28 102 D5 D6
A37 A28 A28 103 C5 C6
A38 B29 B29 104 B5 C5
A39 A29 A29 105 A5 A5
A40 B30 B30 107 C4 A6
A41 A30 A30 108 A4 B3
A42 GND
A43 3V3
A44 VIO
A45 2V5
A46 1V2
B1 5V C2, D2
B2 U5V D1, C1
B3 3V3
B4 GND
B5 CLK C3 52 R16 L20
B6 C5 C5 84 106 V17
B7 D8 D8 5 K16 V20
B8 C9 C9 93 115
B9 D9 D9 4 L16 Y22
B10 C10 C10 92 114
B11 D10 D10 2 M16 AA22
B12 C11 C11 91 113
B13 D11 D11 1 P16 Y21
B14 C12 C12 90 112
B15 GND
B16 VT
B17 D12 D12 141 P15 W20
B18 C13 C13 89 111
B19 D13 D13 140 T15 AA20
B20 C14 C14 88 119
B21 D14 D14 137 K15 V19
B22 C15 C15 87 109
B23 D15 D15 135 R14 Y19
B24 C16 C16 86 108
B25 D16 D16 132 M13 V18
B26 VT
B27 GND
B28 D17 D17 131 M12 Y15
B29 D19 D19 130 T12 V15
B30 D20 D20 129 R9 W15
B31 C20 C20 128 P8 Y11
B32 D21 D21 127 N9 AA14
B33 C21 C21 125 M9 AA12
B34 D22 D22 124 N8 AB12
B35 C22 C22 123 T7 Y10
B36 D23 D23 122 P7 AA10
B37 C23 C23 119 M7 AB10
B38 D24 D24 118 P6 T14
B39 C24 C24 116 N6 Y13
B40 D25 D25 113 P4 W12
B41 C25 C25 112 M6 W9
B42 GND
B43 3V3
B44 VT
B45 2V5
B46 1V2
C1 B4 B4 25 31
C2 A8 A8 40 50
C3 B8 B8 41 51
C4 A9 A9 B15 A20
C5 B9 B9 B16 A19
C6 E13 E13 A13 C16
C7 E14 E14 C11 B16
C8 E15 E15 A11 A16
C9 E16 E16 B10 B12
C10 E17 E17 A10 A12
C11 E18 E18 F9 B14
C12 E19 E19 D9 A14
C13 E20 E20 A8 D12
C14 E21 E21 B8 D13
C15 E22 E22 E8 A10
C16 E23 E23 E7 B10
C17 VRI E12,E28
C18 A5 A5 28 34
C19 E24 E24 C9
C20 E25 E25 C7
C21 E26 E26 A7
C22 E27 E27 B6
C23 VRI E12,E28
D1 F10 F10 N16 AA21
D2 F11 F11 M15 AB21
D3 F12 F12 R15 Y20
D4 F13 F13 L14 AB20
D5 F14 F14 N14 AB19
D6 F15 F15 L13 AB18
D7 F16 F16 L12 AA18
D8 F17 F17 R12 AA16
D9 F18 F18 M11 AB15
D10 F19 F19 M10 W14
D11 F20 F20 T9 Y16
D12 F21 F21 P9 AB14
D13 F22 F22 T8 AB11
D14 F23 F23 R7 W11
D15 F24 F24 T6 U14
D16 F25 F25 T4 Y12
D17 VR3 F26,F32
D18 F27 F27 Y8
D19 F28 F28 AB7
D20 F29 F29 Y7
D21 F30 F30 AB6
D22 F31 F31 AA6
D23 VR3 F26,F32

[TOC]

PMOD connectors

PMOD modules can be connected directly to the following positions of the Experimental Board I/O connector:
  • A26 - A31
  • A43 - A38
  • B43 - B38
  • B26 - B31
  • B16 - B11
Suitable connectors are available in the ZTEX Shop.

Compatibility notes

The Experimental Board 1.3 is fully downward compatible to the Experimental Board 1.2.

Users switching from Experimental Board 1.1 have to consider the following differences:

  1. The Experimental Board 1.3 does not contain serial drivers anymore. The serial port signals form the EZ-USB FX2 are now available on pins C2 to C5 of the Experimental Board I/O Connector
  2. Functions of pins A20 and A30 have been swapped.

[TOC]

Images

Click on the images for larger versions.

Development Board / Experimental Board 1.3 for USB-FPGA Boards

Development Board / Experimental Board 1.3.

Spartan 6 LX45 to LX150 USB-FPGA Module 1.15 with Experimental Board and two Expansion Boards

Experimental Board with Spartan 6 LX45 to LX150 USB-FPGA Module 1.15 and two Expansion Boards.
The depicted set consists in:

All parts are available in the ZTEX Shop.
Spartan 6 LX45 to LX150 USB-FPGA Module 1.15 with Experimental Board and two Breadboards

Experimental Board with Spartan 6 LX45 to LX150 USB-FPGA Module 1.15 and two Breadboards.
The depicted set consists in:

All parts are available in the ZTEX Shop.


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