ECC 2 cp5 cp4 cp3 cp2 cp1 cp0 1 1
I detected after writing this that ST application note AN1823
-(http://www.st.com/stonline/books/pdf/docs/10123.pdf) gives a much
+(http://www.st.com/stonline/) gives a much
nicer picture.(but they use line parity as term where I use row parity)
Oh well, I'm graphically challenged, so suffer with me for a moment :-)
And I could not reuse the ST picture anyway for copyright reasons.