ulx4m
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PCB for ULX4M FPGA R&D board

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ReferencesQtyDescriptionManufacturerMPNManufacturerMPNManufacturerMPNManufacturerMPNDigikeyMouserRSNewarkFarnellLCSC
C2, C6, C103100pFAVX04026C101KAT2A04026C101KAT2A478-12647-6-ND58104026C101KAT2A
C25, C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C55, C56, C57, C58, C59, C61, C62, C63, C64, C65, C66, C67, C68, C69, C70, C71, C72, C73, C74, C753122nFKYOCERA AVX04023D223KAT2A04023D223KAT2A478-10083-1-ND58104023D223KAT2A3288826
C48, C49, C50, C51, C52, C53622nFKYOCERA AVX06033D223KAT2A06033D223KAT2A478-06033D223KAT2ATR-ND58106033D223KAT2A
C13, C14, C15, C18, C21, C36, C37, C38, C39, C40, C41, C42, C43, C44, C45, C5416100nAVX0402YD104KAT2A0402YD104KAT2A478-1126-1-ND5810402YD104K69831971327666
C601220nFTDKCGB2T3X5R0J224M022BBCGB2T3X5R0J224M022BB445-15613-1-ND810CGB2T3X5R0J224MB
C16, C17, C19, C20, C22, C23, C24, C46, C4792.2uFAVX06033D225KAT2A06033D225KAT2A58106033D225KAT2A
C1, C3, C4, C5, C7, C8, C9, C11, C12922uFKEMETC0603C226M9PACTUC0603C226M9PACTU80C0603C226M9PACTU3754565

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

TOP BOTTOM Layers_v001

Panel

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

TOFU

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

NLnet

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