Is it possible to mount a blank GreenPAK device with OTP (not MTP) on a custom board and then program its OTP from Go Configure (assuming I2C signal are available on some header)?
For some GreenPAKs, the datasheet documents which pins are used for programming. For example, for the SLG46537, you can find this in chapter 7.0 of the datasheet: Vdd, GND, IO0, IO6, IO7, IO13. You can make these accessible via a header and then you should be able to program the OTP from the Go Configure Hub.
Keep in mind that your circuit needs to be designed for this to work. The programmer must be able to toggle these lines (other components are forbidden to drive these lines once voltage is applied). You need to pay particular attention to IO0, which will receive high voltage, which can be potentially dangerous for other components connected to IO0.
Hi,
If your are looking for ISP then use GreenPAK Serial Debugger Board (GSD):-SLG4DVKGSD - GreenPAK Serial Debugger Board (GSD) | Renesas
Thanks
AB