Preheat oven to 375 degree and grease two 8 inch square baking pans.
In a small bowl, combine brown sugar, butter and corn syrup. Spread half mixture in of of the greased 8-in. square baking pans and spread other half in the other pan: set aside.
Unroll each tube of crescent roll dough into a rectangle; seal seams and perforations.
Combine pecans, sugar and cinnamon together; sprinkle over each piece of dough.
Carefully roll up, jelly-roll style, starting with a long side; seal edge. Cut each roll into 16 slices. Place cut side down in prepared pans.
Bake at 375° for 13-17 minutes or until golden brown. Cool in pans for 1 minute before inverting onto serving plates. Makes 32 mini rolls.