USB 连接通过 CC 侦测到VBUS引脚提供默认电源配置 5V@500mAVBUS 所需的额外 USB 电力传输可以进行协商,Battery Charge 1.2 (BC 1.2) 或 USB PD 都可以选择使用结构化供应商定义报文 (SVDM) 需要 USB PD 来发送来协商 Alt Mode 握手 4、Connection State Diagram Source Sink Sink with Accessory Support DRP ...
Initially, the USB Type-C VBUS line will be unpowered. During the cable connection the power role of each application needs to be defined. It is defined that the power provider (source) will pull-up the CC lines at the receptacle and the power consumer will pull down the CC lines at ...
USB-a to Lightning not working Is there any reason my iPhone would charge using a USB-c to lightning cable but not a USB-a to lightning cable? I've brought two new Apple USB-a to lightning cables, and neither will charge my iPhone the USB-c does just fine. Unfortunately, the plugin...
USB Type-C ECN for Source VCONN Discharge USB Type-C ENGINEERING CHANGE NOTICE Title: Source V CONN Discharge Applied to: USB Type-C Specification Release 1.2 USB Implementers Forum Form 20140811-ECN Page: 1
For role switching, the client driver communicates the state of the USB Type-C connector to the URS driver.The following diagram shows the USB software driver stack for a dual-role controller that uses the URS driver.The URS driver never loads the Function and Host stacks shown in the ...
3. Signal Diagram The USB Type-C connector has 24 pins. Figure 1 and Figure 2 show the pins of the USB Type-C socket and plug, respectively. Note: The characteristics of the USB Type-C interface are as follows: A. Compact: Unlike the common USB Type-A interface, the new USB Type...
3.3ft (1m) USB-C Fast Charging Cable, Rugged, Right-Angled, Charge & Sync, 60W (3A) PD, USB 2.0, TPE Jacket and Aramid Fiber | Europe
一个可以在SuperSpeed操作的设备判定它是否可以在SuperSpeed操作,作为连接过程的一部分(参见第10章的Device Connection State Diagram中更多的细节)。 当在只有USB 2.0电气环境中,一个USB 3.0设备应成功复位为被支持的USB 2.0速度的其中一个。该设备复位成功后,该设备也应成功地应付设备和配置描述符请求, 根据USB 2.0...
The Configuration Channel (CC) pins are used in the discovery, configuration and management of connection across a USB Type-C™ cable, as well as a communication channel for the PHY layer of the USB Power Delivery. There are two CC pins in each receptacle, but only one is connected throu...
Figure 5. D+/D– eye diagram. Conclusion With USB Type-C come new challenges in interconnecting, powering, and protecting our electronics. The new connector has a smaller pitch than that of the USB Micro-B, leading to an increased risk of mechanical shorts to VBUS. Additionally, due ...