Preheat oven to 350º.
In a small bowl, combine brown sugar butter (margarine) and corn syrup.
Spread in 2 greased 8 in. round pans. Set aside.
Unroll each tube of crescent roll dough and it will make one rectangle, once you seal seams and perforations.
Combine pecans, sugar and cinnamon, sprinkle over dough.
Roll each rectangle jelly-roll style, starting with the long side, deal edge.
Cut each roll into 10 slices.
Place cut side down in prepared pans.
Bake for 13-17 min. or until golden brown.
/cool in pans for 1 min. before inverting onto serving plates.