您要查找的是不是：
- USB主机控制器USB host controller
- 一个完整的usb系统包括主机控制器，集线器和设备控制器三个主要端点。A complete USB system consists of host controller, USB hub and device controller.
- USB主机USB host
- USB主机端USB host - side
- 主机控制器host controller
- 主机core
- 主机控制器USBhost controller
- 嵌入式USB主机系统的研究与设计Research and Design of Embedded USB Host System
- USB主机技术USB host technology
- SD主机控制器SD host controller
- 嵌入式USB主机embedded USB host
- USB口USB port
- 固定式顺序控制器fixed sequential controller
- USB闪存USB FLASH disk
- 主机名host name
- DMA控制器DMA controller
- USB音频USB audio
- 嵌入式USB主机系统embedded USB host system
- 机箱控制器crate controller
- 一种全新的基于USB的刷卡系统解决方案及其通信协议模型A New Resolvent of Card Reader System based on USB and Its Communication Protocol Model
