TCO-970A4/15.36MHZ TCO-970P-12.000MHZ TCO-975N13MHZ TCO-980-13MHZ TCO-980M1 TCO-980N5-16.384MHZ TCO-980N5-32.768MHZ TCO-980Y-15.36MHZ TCO-981 TCO-981B17