rusefi_documentation/Components/Spansion-FM4.md

http://www.spansion.com/Products/microcontrollers/32-bit-ARM-Core/fm4/Pages/overview_32fm4.aspx

http://www.spansion.com/Support/microcontrollers/developmentenvironment/Pages/board-SK-FM4-U120-9B560.aspx

CN3: JTAG CMSIS-DAP Debug Access Port

UART programming:

http://learn.spansion.com/mcu_software_download?r=/EnglishDownloads/EDG/binary/zip/product/micom/tools/downloads/flash/PCWFM3.zip

http://i.imgur.com/vkNxRjq.png

http://jujurou.blog34.fc2.com/blog-entry-394.html