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OK then. Is it possible to alter the RAMcode sent to the ST9. I would like to try my own custom code. Also, I can see in the Flasher 5 firmware there are what looks like 3 (?) different RAMcode implementations for all of the selectable ST92 MCUs under the Options/Device menu. I have monitored all data sent to the MCU for every possible ST92 device selected and every time its exactly the same RAMcode (the RAMcode that works for the ST92F250). Should the RAMcode be identical for every ST9 device l…
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I'm sure I'm missing something simple here but I am having a problem using Flasher 5 to read ST92F120 MCU's. I can however read a ST92F250 without a problem. I know I have the connections OK and I have scoped the waveforms to make sure nothing is wrong there. No matter what I try I always get 'Ramcode does not work' with the ST92F120's (I have tried with a couple of ST92F120V1Q7's and a ST92F120V9Q7 with the same result). I have also had a logic analyser connected to view the data being transmit…
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I know its a very old thread but I have just got a Flasher 5 and I am experiencing the same error (Ramcode does not work) with ST92F120V1Q (they are on Ford radio PCB's). On another Ford radio PCB with a ST92F250 it reads the flash ok.