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Item specifics
  • Brand Name: DFRobot
  • is_customized: yes
  • Power: Low Power
  • Name: Waveshare
  • Frequency: Low Frequency
  • Type: SCM
  • Model Number: Open3S250E Package B
Product Description

FPGA development board designed for XILINX Spartan-3E series, features the XC3S250E onboard, and integrates various standard interfaces, pretty easy for peripheral expansions.

Overview

Open3S250E is an FPGA development board that consists of the mother board DVK601 and the FPGA core board Core3S250E.
Open3S250E supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with XILINX Spartan-3E series FPGA devices.

What\\\\\\\\\\\\\\\'s on the mother board

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  1. FPGA CPLD core board connector: for easily connecting core boards which integrate an FPGA CPLD chip onboard, such as Core3S250E
  2. 8I/Os_1 interface, for connecting accessory boards/modules
  3. 8I/Os_2 interface, for connecting accessory boards/modules
  4. 8I/Os_3 interface, for connecting accessory boards/modules
  5. 8I/Os_4 interface, for connecting accessory boards/modules
  6. 16I/Os_1 interface, for connecting accessory boards/modules
  7. 16I/Os_2 interface, for connecting accessory boards/modules
  8. 32I/Os_1 interface, for connecting accessory boards/modules
  9. 32I/Os_2 interface, for connecting accessory boards/modules
All the I/O interfaces above:
  • capable of being simulated as USART, I2C, SPI, PS/2, etc.
  • capable of driving devices such as FRAM, FLASH, USB, Ethernet, etc.
  1. FPGA expansion connectors
    • FPGA pins are accessible on expansion connectors
    • for connecting SDRAM accessory board
  2. LCD interface, for connecting LCD22, LCD12864, LCD1602
  3. ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
  4. Buzzer
  5. Joystick: five positions
  6. Potentiometer: for LCD22 backlight adjustment, or LCD12864, LCD1602 contrast adjustment
  7. Buzzer jumper
  8. Joystick jumper
  9. ONE-WIRE jumper

For jumpers 16-18:

  • short the jumper to connect to I/Os used in example code
  • open the jumper to connect to other custom pins via jumper wires

The DVK601 supports a wide range of different core boards, therefore, some of the interfaces may be Not-Connected and useless while connecting to certain core board.

What\\\\\\\\\\\\\\\'s on the Core3S250E

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  1. XC3S250E: the XILINX Spartan-3E FPGA device which features:
    • Operating Frequency: 50MHz
    • Operating Voltage: 1.15V~3.3V
    • Package: QFP144
    • I/Os: 80
    • LEs: 250K
    • RAM: 216kb
    • DCMs: 4
    • Debugging/Programming: supports JTAG
  2. AMS1117-3.3 (on bottom side), 3.3V voltage regulator
  3. AMS1117-2.5 (on bottom side), 2.5V voltage regulator
  4. AMS1117-1.2 (on bottom side), 1.2V voltage regulator
  5. XCF02S (on bottom side), onboard serial FLASH memory, for storing code
  6. Power indicator
  7. LEDs
  8. FPGA initialization indicator
  9. Reset button
  10. nCONFIG button: for re-configuring the FPGA chip, the equivalent of power reseting
  11. Power switch
  12. 50M active crystal (on bottom side)
  13. 5V DC jack
  14. JTAG interface: for debugging/programming
  15. FPGA pins expander, VCC, GND and all the I/O ports are accessible on expansion connectors for further expansion
  16. LED jumpers

Photos

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Note: The Open3S250E does NOT integrate any programming/debugging function, a programmer/debugger is required.

Examples

The Open3S250E FPGA development board comes with various examples codes for the supported peripherals, which give you a quick start to develop your own application.
PeripheralDescriptionInterfaceVerilogVHDL
AT24CXXEEPROMI2CYY
FM24CXXFRAMI2CYY
AT45DBXXDATAFLASHSPIY
PCF8563RTCI2CY
PCF85914xAD, 1xDAI2CY
DS18B20Temperature sensor1-WIREY
SP3232Serial communicationUARTYY
SP3485Serial communicationUARTYY
PL2303USB TO UARTUARTYY
CY7C68013AUSB DEVICEI/Os Y
BuzzerSound device1I/O (PWM)YY
PS/2 keyboardInput devicePS/2YY
Single buttonsInput device----YY
4x4 keypadInput device8I/OsYY
JoystickInput device5I/OsYY
LEDDisplay device----YY
8 SEG LEDDisplay device13I/OsYY
VGA monitorDisplay deviceVGAYY
Character LCDDisplay device11I/OsYY
Graphic LCDDisplay device11I/OsYY

Debugging/Programming Interface

The Open3S250E FPGA development board integrates JTAG interface for programming/debugging.
JTAG Signal Names & Description
PinSignal NameDescription
1GNDSignal ground
2VCC(TRGT)Target power supply
3GNDSignal ground
4TMSJTAG state machine control
5GNDSignal ground
6TCKClock signal
7GNDSignal ground
8TDOData from device
9GNDSignal ground
10TDIData to device
11GNDSignal ground
12NC
13GNDSignal ground
14NC
15GNDSignal ground
JTAG Header Pinout

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Development Resources

The Open3S500E FPGA development board comes with a User Guide CD including development resources listed as below:

  • Related software (Xilinx ISE 12 - supports Winxp/Win7, doesn\\\\\\\\\\\\\\\'t support Win8)
  • Demo code (Verilog, VHDL)
  • Schematic (PDF)
  • FPGA development documentations

Package Contains

The "Standard Package" and "Accessory Boards Package" below are included.

Standard Package

  1. Open3S250E development board x 1
  2. 4-pin wire x 2
  3. 2-pin wire x 2
  4. USB power cable x 1
  5. User guide CD x 1

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Accessory Boards Package

  1. VGA PS2 Board x 1
  2. PL2303 USB UART Board (mini) x 1
  3. AT45DBXX DataFlash Board x 1
  4. FM24CLXX FRAM Board x 1
  5. CY7C68013A USB Board (mini) x 1
  6. PCF8563 RTC Board x 1
  7. PCF8591 AD DA Board x 1
  8. DS18B20 x 1
  9. LCD12864 (3.3V Blue Backlight) x 1
  10. LCD1602 (3.3V Blue Backlight) x 1
  11. 8 SEG LED Board x 1
  12. 8 Push Buttons x 1
  13. 4x4 Keypad x 1
  14. USB type A plug to mini-B plug cable x 1

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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
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