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STM8L I/O port register configuration

Question asked by hutchison.derek on Aug 6, 2013
Latest reply on Jan 20, 2014 by Argail
I finally found the I/O port hardware register map in the hardware manual but there is no description of how to confingure the registers!
Any one know where ST have hidden this vital information?
The old ST7 manual gave a concise description of what each bit did.
I don't want to do it in 'C' in the same way as I don't want to drive my car from the back seat using a broomstick to reach the pedals and steering wheel!
Every time I find a document, it answers some questions but never all.
I'm making progress but it is frustratingly slow... two steps forward one step back.