Preheat oven to 350°F. Toss pears, cranberries, and 1/2 cup sugar in large bowl. Let stand 15 minutes. Transfer mixture to 11x7x2-inch glass baking dish. Mix flour, next 3 ingredients, and 1/4 cup sugar in medium bowl. Add butter; using fork, stir until moist clumps form. Sprinkle topping over fruit in dish. Bake crisp 45 minutes. Increase oven temperature to 375°F. Bake until golden, about 10 minutes. Cool slightly. Serve warm with Cinnamon Ice Cream.