[help] UPA and 2j74y

[jjrp255630]

hi friends, i have a problem with this mcu, i read and write eeprom ok, the problem is with the flash, i can only read but i cant write.
i try to do flash erase and nothing happends, i try to program and give error.

how i can write flash with UPA?

ps: i have xprog-m but is the same situation

[Zmann]

In UPA HC908AZ60 even it looks like the 'program' button is active for All Memory but the answer from elrasoft was NO