• Lattice ECP5 LFE5U-25F-6BG256C (product page)
• Winbond 25Q32JVSIQ, 32 Mbits SPI flash (datasheet)
• 2x Broadcom B50612D Gigabit Ethernet PHYs (datasheet)
• 2x ESMT M12L16161A-5T 1M x 16bit 200MHz SDRAMs (organized as 1M x 32bit) (datasheet)
• 12x 74HC245T Octal Bidirectional Transceiver (used for level translation to 5V)

links

• https://hackaday.com/2020/01/24/new-part-day-led-driver-is-fpga-dev-board-in-disguise/
• https://github.com/q3k/chubby75/tree/master/5a-75b
• upstream: https://github.com/tomverbeure/chubby75/tree/5a-75b/5a-75b
• upstream for v7 board: https://github.com/miek/chubby75/blob/5a-75b-v7_pinout/5a-75b/hardware_V7.0.md
• send data to original fpga image: https://github.com/FalconChristmas/fpp/blob/master/src/channeloutput/ColorLight-5a-75.cpp

replace level shifters to get input

• https://twitter.com/edu_arana/status/1231466891354525698

https://twitter.com/Claude1079/status/1231194849350647808

 SN74CBT3245APW 8bit bidirectional FET switches
QS3245QG