All Tools
I
Dev ToolsFreeOpen Source
ICESTORM
Open bitstream tools for Lattice iCE40 FPGAs
ISC
ABOUT
Lattice iCE40 bitstreams used to need a closed vendor tool. IceStorm documents the format and ships pack, unpack, and timing utilities so Yosys and nextpnr program iCE40 FPGAs from an open flow.
INSTALL
brew install icestormINTEGRATION GUIDE
1. Pack a nextpnr place-and-route result into an iCE40 bitstream
2. Unpack a vendor bitstream and inspect logic tiles and routing
3. Time an iCE40 netlist with IceStorm timing data
4. Program an iCE40 board from a fully open Yosys-nextpnr-IceStorm flow
TAGS
icestormfpgabitstreamlatticeice40yosysnextpnr