whether he is or is not trying to blame you is sort of irrelevant isn't it? YOU know that it isn't true.
I can't see that you get much out of any friendship with him, it's still all about him isn't it? way to go on deciding on more no contact. I'm willing to bet lots of money that there are lots of people in the world who would be able to have a much more reciprocal friendship with you. You're worth at least that much, and he may never be able to get to that point, how much time do you have to waste?