disco4now
 Guru
 Joined: 18/12/2014 Location: AustraliaPosts: 959 |
Posted: 03:45am 13 Dec 2024 |
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A restart with PE3 held low would erase the program area. i.e. an MMBasic reset. The firmware puts an internal pullup on it before it tests. Are you using PE3 , could it be held low for any reason if you had a power restart or restart because of a false trigger on reset pin. |