PREHEAT oven to 375°F. Toss pears with 2 Tbsp. sugar and 1/2 tsp. of the cinnamon in large bowl. Place in 8-inch square baking dish.
MIX 1/2 cup sugar, the flour and remaining 1/2 tsp. cinnamon in large bowl; cut in margarine until mixture resembles coarse crumbs. Stir in cereal. Sprinkle evenly over pears.
BAKE 30 min. or until pears are tender. Serve warm.