Quote Originally Posted by mark.sch View Post
According to C8051F340 docu (page 114), the flash reading can be disabled by setting some bits at address 0x8F - a protection mechanism included in the 8051 architecture.
When reading with FLASHit 9.0.2.1, only empty bins are returned due to this protection; so any existing bin might help to find a path for a working 5.01.10, maybe someone dumped the 8051 ram already to figure out the flash content (bin)

You might disable this protection,but by updating fw,this will reset the security bits,and u cant read again..