Here is the pinout for the 21175-0100 EX650 2006-2008 US/CA ECU
Pinout in PDF format
Here is a pdf schematic for a bench flash cable for the 21175-0100EX650FlashInterface.pdf
For software use Renesas FTDI. See threads on flashing early busa, or k5/k6 GSXR 1000s.
This is a new bike so there may be first time flashers reading this. Be aware that connecting with FTDI automatically erases your ECU. Don't connect if you don't have a binary file ready to flash back into it. (Don't connect just to see if your cable works.) You can not read the ECU with the cable shown, only write to (flash) it.
To read out these ECUs requires cutting open the ECU. See this thread
i have a ER650f2005 at school , i want to read the ecu but without cutting i know that piasini can do it! did anybody know the pin they use!
i suppose that it can be done using vss vcc kline and maybe a boot pin (vcc or vss) only but connected to which pin?