GECKO5Modular

The GECKO5Modular can be used with the oss-cad-suite and logisim-evolution.

top devices bottom devices

The board can be mounted with a LFE5UM-12F, LFE5UM-25F, LFE5UM-45F, or LFE5UM-85F Lattice ECP5 FPGA.

The complete schematic can be found here. The complete lpf-file can be found here.

Configuration after production

After producing the board, no particular configuration is required. It is possible to change the USB-descriptors of the FTDI FT2232-chip. A manual how to change the descriptors can be found here.

The complete lpf-file can be found here.

USB-devices

When connecting the GECKO5Modular, two USB-devices will appear. The below table shows the devices:

Source:

Linux:

Windows:

Mac-OS:

Description:

FT2232 chan. 1

/dev/ttyUSB0

COM11

/dev/tty.usbserial-122100

FPGA-jtag programming interface.

FT2232 chan. 2

/dev/ttyUSB1

COM12

/dev/tty.usbserial-122101

FPGA-RS232 interface.

Note

Of course the devices shown above can slightly differ.