There is no command to do this and as the post linked to by Bear indicates, you need external hardware to be able to do anything very useful with it. Time to step up to a 14M2 perhaps.How to change C.3 on the 08M2 chip to an output. I'm sure we saw the command in the getting started manual.
Time to step up to a 14M2 perhaps.
Albeit that Gramps’ message is 5months old, for some completeness,Okay I found it.
Called reverse command
And Pin Three on an 08M2 is exempt.
It cannot be reversed!