Position knife blade in food processor bowl; add first 4 ingredients. Process until oats are coarsely chopped. Add butter and process until mixture is combined. Stir in pecans. Transfer mixture to a small bowl. Cover and chill.
Combine 1 cup diced pear, 3/4 cup sugar, cranberries, cornstarch, and honey in a large saucepan. Cook over medium-high heat until mixture is thickened (about 3 minutes). Remove from heat and stir in remaining 3 cups diced pear and apple. Pour into a greased 2-quart baking dish. Crumble chilled topping over fruit.
Bake at 375° for 35 minutes or until golden. Let stand 15 minutes before serving. Serve warm with vanilla ice cream and cinnamon-sugar.