博通 56**系列三层交换芯片 SDK文档，做三层交换机应用层协议以及下层驱动必不可少的文档资料。-Broadcom 56** series three layer exchange chip SDK documents, do the three layer switch protocol of application layer and the lower drive essential documentation.

博通的SDK，可以用于学习博通MCU的功能及各个寄存器的说明，很好的创建自已需要的文档及代码。-Broadcom SDK, can be used to illustrate learning Broadcom MCU function and each register, create a good document, and code their own need.