Beginner in need of help !!

[robbo78]

Richard, I'm specifically talking about just the VRR nothing else. I just want to know if I've got the workings out right. If you need the whole code to tell me if that part is right or not then I can do that no problem.

[richard]

that is correct it will set the reference to 1.1 for a vdd of 3.3v

[robbo78]

Thats great thanks for the help, now I can have a go at the code.