ICE40-notes

Some notes on programming the ICE40 and its flash.

Adafruit FT232H connections

• D0 ---> SCK (flash pin 6)
• D1 ---> SDO (flash pin 2)
• D2 ---> SDI (flash pin 5)
• D3 ---> Not connected
• D4 ---> SS (flash pin 1)
• D5 ---> Not connected
• D6 ---> CDONE
• D7 ---> CRESET

Using iceprog

The USB vendor/product string must be specified:

  iceprog -d i:0x0403:0x6014

Read flash id:

  iceprog -d i:0x0403:0x6014 -t

Program:

  iceprog -d i:0x0403:0x6014 [filename]