Heat oven to 350°F. Grease 12-cup fluted tube cake pan or 10-inch angel food (tube cake) pan (pan must not have a removable bottom). In large bowl, mix all ingredients except cinnamon rolls and icing.
Separate both cans of dough into 16 rolls; cut each into quarters. Add dough pieces to pecan mixture; toss gently to coat. Spoon mixture into pan.
Bake 30 to 40 minutes or until deep golden brown. Cool 10 minutes. Turn upside down onto serving plate. Spread with icing. Serve warm.