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.

3D preview

Panel

Schematics and PCB KiCAD 5 PCB editor:

kicad ulx4m.pro

Features

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

Main parts

LFE5U-12F-6BG381C

IS42S16160G-7BL 32 MB SDRAM

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

Ethernet - LAN8720A

Programming options

External JTAG programming connector

JTAG connected to GPIO (programming with FTDI or ESP32)

USB (bootloader)

Periferals

• 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

ULX4M on TOFU carrier board

References

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

Work on this board is financed by NLnet foundation

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

Check up our blogposts

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

Contact us

Discord: https://discord.gg/qwMUk6W

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

Mail: warp@intergalaktik.eu

Twitter: https://twitter.com/intergalaktikEU