如果下行端口正处于DSPORT.Powered-off或者DSPORT.Disconnected状态,并且接收到一个SetPortFeature reset请求,该请求就会被忽略。如果端口状态是DSPORT.Error,并且接收到一个SetPortFeature(PORT_RESET)或者SetPortFeature(BH_PORT_RESET)请求,端口应该在tDSPortResetToLFPS时间内在下行端口链路上发送一个warm reset。当接收...
USB employs flow control in which the MAX3421E automatically answers host requests with a NAK handshake, until the micro- processor completes its data-transfer operations over the SPI port. This means that the SPI interface can run at any frequency up to 26MHz. Therefore, the designer is ...
如果端口状态是DSPORT.Error,并且接收到一个SetPortFeature(PORT_RESET)或者SetPortFeature(BH_PORT_RESET)请求,端口应该在tDSPortResetToLFPS时间内在下行端口链路上发送一个warm reset。当接收到一个SetPortFeature(PORT_RESET)请求时,如果端口状态处于DSPORT.Enabled,而端口链路处于除了U3之外的任意状态,该端口应该在t...
The usb ports have the SS symbol and not sure if the products I'm using is affecting it, but dont think so. Tags: HP Laptop - 15-gw0035dx Microsoft Windows 10 (64-bit) View All (2) 1 person had the same question I have the same question 1 REPLY praveen...
6.1 USB-to-dual UART bridge with battery-charge detection CY7C65215/CY7C65215A can connect any embedded system, with a serial port, to a host PC through USB. CY7C65215/CY7C65215A enumerates as a dual COM port on ...
10.2.2 集线器下行端口U1/U2定时器[Hub Downstream Port U1/U2 Timers] 集线器必须在每一个下行端口上要有U1以及U2不活动定时器。Timeout值可以被编程,并且可以被主机软件设置。Timeout值为0意味着定时器被禁止。U1/U2的默认timeout值为0。在PowerOn Reset或者集线器上行口被reset时,所有的下行口U1以及U2的timeou...
Dead Battery In the case of a dead battery and no VB attached, 1V voltage clamps are attached to CC1 and CC2 to ensure charging can start from a USB Type-C adapter. CC Description The MAX20342 can be configured to function as an Upstream Facing Port (UFP) or Dual Role Port (DRP) ...
EZ-PD™ CCG6DF, CCG6SF USB Type-C port controller General description EZ-PD™ CCG6DF and EZ-PD™ CCG6SF are dual-port and single-port USB Type-C controllers that comply with the latest USB Type-C and PD specifications. These devices provide a complete USB Type-C and USB Power...
TI Designs CISPR 25 Class 5 USB Type-C™ Port With USB3.0 Data Support Reference Design Description The TIDA-00987 is a TI Reference Design for automotive media ports that require data transfers. This TI Design has the capability to support USB2.0 and USB3.0 data through a 15-W USB Type...
A target device running emUSB-Device-CDC is recognized by the host as a serial interface (USB2COM, virtual COM port), without the need to install a special host driver, because the communication device class is one of the standard device classes and every major operating system already ...