DB42 Xilinx Spartan-3A DSP Daughter Board

Frozen Content

Altium's Xilinx® Spartan™-3A DSP daughter board DB42 provides an XC3SD1800A-4FGG676C device, as well as a range of on-board memories available for use by a design running within that device.

The DB42 has the following features:

  • Xilinx Spartan-3A DSP FPGA (XC3SD1800A-4FGG676C)
  • On-board memories available for use by FPGA design:
    • 256K x 32-bit common-bus SRAM (1MByte)
    • 16M x 32-bit common-bus SDRAM (64MByte)
    • 16M x 16-bit common-bus Flash memory (32MByte)
    • Dual 256K x 16-bit independent SRAM (512KByte each)
  • 1-Wire® memory device used to store board ID and related information
  • Three 100-way connectors for attachment to NB2DSK01 motherboard. These connectors provide:
    • Interface to resources on the NB2DSK01 motherboard and plugged-in peripheral boards
    • SPI bus interface
    • I2C bus interface
    • 1-Wire bus interface
    • JTAG, power and additional control lines from the motherboard.

Figure 1. Altium's Xilinx Spartan-3A DSP daughter board DB42.

General Board Resources

Target FPGA Device (XC3SD1800A-4FGG676C)

Resources Accessible from an FPGA Design

The DB42 has a variety of memory resources individually wired to target daughter board FPGA I/O pins.


Use of the Spartan-3A DSP daughter board (DB42) requires the Winter 09 release of Altium Designer (or later)to be installed on your PC.

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