UPDATE 5-Trump bars Chinese-backed firm from buying U.S. chipmaker Lattice

Sept 13 (Reuters) - U.S. President Donald Trump blocked a Chinese-backed private equity firm from buying a U.S.-based chipmaker on Wednesday, sending a clear signal to Beijing that Washington will oppose takeover deals that involve technologies with potential military applications. Canyon Bridge Capital Partners' planned $1.3 billion acquisition of Lattice Semiconductor Corp was one of the largest attempted by a Chinese-backed firm in the U.S. microchip sector and was the first announced deal fo