Usually the ST has a lot of documentation of their products. I also found few people also write in Internet that it is impossible to find any information about this ST productIf somebody can share more information about this IC
Thank you @Peter BENSCH for the replybut ti looks like there never been public documentation and the reason is not that the IC is obsolete.There is also no new substitution of this IC.At least is good to know that I have to speak with HP and not to ...
