in reply to more fun with references and hashes

Sorry ,typo:
$new_hash{$pin} = $pin_hashref{$pin};
should be
$new_hash{$pin} = $pin_hashref->$pin;
The error I am getting is
Can't use string ("v_scanen_clk") as a HASH ref while "strict refs" 
in use at ./parse_timing_info.pl line 358.