SPI4.2 Spec

riscvboomdesignspec,很值得研读，cpu设计的文档。

蓝牙开发协议整体框架profile

蓝牙官网Rfcomm spec的翻译

ehci spec for USB2.0

HUMAN INTERFACE DEVICE (HID) PROFILE Spec backup for BLUETOOTH 备用

Following is the USB Audio Device Class Definition for MIDI Devices. It is designed to cover the wid

802.3at-2009, 支持

copilot_specl的资料,懂的人已经下来看看

This specification defines a core set of features that enable multiple subscriber devices to gain ac

The UART (Universal Asynchronous Receiver/Transmitter) core provides serial communication capabiliti