Hughton was unceremoniously sacked by the Magpies in December 2010, despite the side being in mid-table in the Barclays Premier League following promotion the season before.
The 54-year-old, though, insists plenty of water has flowed under the bridge since then, as he went on to manage at Birmingham before taking over at the Canaries following Paul Lambert's departure last summer.
Nevertheless, Hughton is still held in high regard by the Toon Army and received a warm reception when Norwich played at St James' Park in September.
"Of course it is a nice feeling, and it is probably an appreciation of the job I did there," Hughton said. "But as soon as that whistle blows, it is about business and trying to play well enough to get the points."
Norwich have lost four Premier League games in a row and Hughton added: "Anything at Newcastle now, though, is not my concern. My only concern is here and the job I am doing here.
"But in general, yes, we would all like managers to be given more time, given opportunities to put their stamp on the club and also to go through difficult spells."
He insisted there have been encouraging signs during that barren spell.
"We are on the back of four straight league defeats all by one goal and they are the margins you have in this division," said Hughton, who could have
captain Grant Holt back from a hamstring injury tomorrow.
"Are our performances any worse than when we went through our good run?
Probably not. It is just the margins of being able to get that draw or the