蓝牙规范包含了一个符合标准的接口定义(主机控制器接口)，它适用于蓝牙通讯模块的硬件部分。
The Bluetooth specification includes the definition of a standardised interface (the Host Controller interface) to the hardware of a Bluetooth communications module.
在蓝牙体系的实现方案中，HCI意义重大，它以一个统一的接口实现主机设备与蓝牙模块之间的互操作。
When implementing of Bluetooth, HCI has important meaning for it provides a standard interface to the co-operation between host and Bluetooth module.
硬件平台还集成了液晶、触摸屏等人机接口和嵌入式GPS模块，同时提供了USB主机、SD卡扩展接口。
The platform integrates some devices, such as the interface between human-machine (LCD and Touchpad), embedded GPS module. And it provides some extended interface such as USB Host, SD Card.
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