tps-1 mannul 方便开发profinet l 转载 PROFINET stack, CPU, RAM and PHYs integrated lInternal 3-Port IRT Switch with 8 priority levels lParallel and serial host interface lPROFINET version 2.3 for RT and IRT lBGA housing 15 x 15 mm2 with 1 mm pitch for inexpensive PCBs lApprox. 800 mW power dissipation lRequired area: 260 mm2 for the complete interface (RJ45)