DSX321G F 12.000MHZ DSX321G 直插晶振 DSX321G(12.288MHZ) DSX321G(12MHZ) DSX321G(13.000MHZ) DSX321G(14.31818MHz DSX321G(14.31818MHZ8PF) DSX321G(14.31818MXZ) DSX321G(19.2MHZ) DSX321G(19.500MHZ)