PCB for ULX4M FPGA R&D board

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ULX4M-LS PCB

[ULX4M] = University digital Logic Learning Xtensible board release 4 Moduler successor of ULX3S = University digital Logic Learning Xtensible board release 3 with SDRAM, Successor of ULX2S.

Schematics and PCB KiCAD 5 PCB editor:

kicad ulx4m.pro"\n"

FPGA: Lattice ECP5 LFE5U-12F-6BG381C (12/25/45/85K LUT)

LFE5U-12F-6BG381C

IS42S16160G-7BL 32 MB SDRAM

W25Q128JVSIM NOR Flash spiFlash, 3V, 128M-bit, 4Kb Uniform Sector

Ethernet - LAN8720A

External JTAG programming connector

JTAG connected to GPIO (programming with FTDI or ESP32)

USB (bootloader)

  • 2 lane CSI camera port CAM0 and CAM1

  • 2 lane DSI display port DISP0 (fake differential)

  • DISP0 pins connected to DISP1

  • * SerDes pair (TX/RX) connected to 2.0 header (radio experiments)

  • True differential GPDI video output

  • Fake differential GPDI video output

  • 4 bit SD card connection

  • * SerDes connected to PCIe 1x

  • * 2x SerDes pairs connected over capacitors to connector

  • GPIOs

  • 3 Buttons

  • 2 DIP SW

  • 8 LEDs

  • Only available if ECP5 SerDes chip is used

https://github.com/gatecat/TrellisBoard

https://github.com/orangecrab-fpga/orangecrab-hardware

https://github.com/antmicro/ecp5-dc-scm

https://github.com/butterstick-fpga/butterstick-hardware

https://nlnet.nl/project/ULX3M/

https://intergalaktik.eu/news/ulx4s-v0-0-1

https://intergalaktik.eu/news/ulx4s-v0-0-2

https://intergalaktik.eu/news/blending-ulx4m-nlnet-funded-fpga-board

https://intergalaktik.eu/news/production-testing-automation-for-ulx3s

https://intergalaktik.eu/news/blending-ulx4m-ls-v002

Discord: https://discord.gg/qwMUk6W

Gitter: https://gitter.im/ulx3s/Lobby

Mail: warp@intergalaktik.eu

Twitter: https://twitter.com/intergalaktikEU