RTL8309低端交换机的原理图和pcb 对做交换机的朋友有一定的帮助-RTL8208 Schematic of low-end switches and switch pcb to make must have the help of Friends

基于单片机通过SMI对RTL8309SC RTL8309SB RTL8305SC交换芯片进行读写操作，已测试完全可用！-Based on single chip SMI right RTL8309SC RTL8309SB RTL8305SC through the exchange of chips to read and write operations, have been tested completely free!

菲思卡尔8309电路板和原理图；进过实验；目前大量生产的板卡-MPC8309 SCH PCB