Read Moussa Sissoko's astonishing new interview
The midfielder is desperate to leave St James's Park in the wake of the club's relegation to the Championship.
And Real are among the clubs considering a move for the £35million-rated player.
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Hide Ad"I hope Real will come for me, I'm still waiting," Sissoko told the BBC World Service.
"If Real Madrid are interested, in you then of course you will be happy, but right now I am still a Newcastle player."
Sissoko came under fire from fans last season for a series of lacklustre performances during the club's relegation fight.
But the 26-year-old, signed from Toulouse in January 2013, has insisted he gave "everything" to United.
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Hide AdSissoko: "They (the fans) need to understand, I spent three-and-a-half years here.
"I gave everything for this club and I want to play some big games. For that, I need to go somewhere else.
"I want to play in the Premier League, I want to play for a big club who can get into the Champions League. That's why I said I want to leave this year.
"I've spent a lot of time here, and now it's time to look forward.
"The fans need to understand my situation. I hope they will and that everything will be OK."