USB Complete fourth- P48 pot

... connect first on attachment. The USB icon can identify a USB plug or receptacle (Figure 19-7). A “+” indicates support for high speed. A receptacle should mount so the USB icon on the top of the plug ... including a maximum length of 3 m and not using a standard USB connector type at the device. %QPPGEVQTU USB 2.0 allows these options for the USB receptacle on a device: Standard B...

Ngày tải lên: 04/07/2014, 07:20

... function on a USB 3.0 bus, bit 0 = 1 if the function supports remote wakeup, and bit 1 = 1 if the host has enabled the func- tion for remote wakeup. For requests directed to an interface on a USB 2.0 ... a device, the interface number for an interface, or the endpoint number for an endpoint. For a USB 3.0 FUNCTION_SUSPEND request, the high byte can request the Suspend state (bit 0 = 1)...

Ngày tải lên: 04/07/2014, 07:20

Ngày tải lên: 04/07/2014, 07:20

... ifaceDescriptor.bNumEndpoints - 1; i++ ) { WinUsb_QueryPipe (myDevInfo.winUsbHandle, 0, Convert.ToByte(i), ref pipeInfo); if (((pipeInfo.PipeType == USBD_PIPE_TYPE.UsbdPipeTypeBulk) && UsbEndpointDirectionIn(pipeInfo.PipeId))) ... == USBD_PIPE_TYPE.UsbdPipeTypeBulk) && UsbEndpointDirectionOut(pipeInfo.PipeId))) { myDevInfo.bulkOutPipe = pipeInfo.PipeId; } else if ((p...

Ngày tải lên: 04/07/2014, 07:20

... has had enough time to complete the transaction with the device, the host begins a complete- split transaction with the hub. In a complete- split transaction, the host sends a complete- split token ... receiving high-speed data, so USB 2.0 hubs don’t repeat high-speed traffic to these devices, including USB 1.x hubs. &GVGEVKPI&GXKEG5RGGF On attachment, every USB 2.0 devic...

Ngày tải lên: 04/07/2014, 07:20

... 27 USB FIFO 159–161 USB Implementers Forum. See USB- IF USB Server 455 USB UART 159–161 for host-to-host communications 207 USB2 005 /USB2 22x 148 usb8 023.sys 175 USBCAMD 202 usbccgp.sys 175, 214 USBCV ... 214 USBCV 416 USBee EX2 Experimenter’s Board 145 usbhub.sys 215 USBI2C/IO 145 USB- IF about 7 compliance tests 415–419 usbport.sys 215 usbscan.sys 196 usbser.sys 175 usbstor.sy...

Ngày tải lên: 04/07/2014, 07:20

... NET2272 . . . . . . . . . . . . . . . . . . . . . . . . . 157 FTDI USB UART and USB FIFO. . . . . . . . . . . . . . . . . . . . 159 USB Complete: The Developer’s Guide, Fourth Edition by Jan Axelson Copyright ...  Microchip PIC18F4550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Cypress EZ -USB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 AR...

Ngày tải lên: 04/07/2014, 07:20

... should use a USB interface? Find out whether your device should use USB or another interface. If the choice is USB, you’ll learn how to decide which of USB s four speeds—including USB 3.0’s SuperSpeed—and ... other USB devices? Find out how to develop a host for an embedded system or a USB On-The-Go device that can function as both a USB device and a limited-capability host tha...

Ngày tải lên: 04/07/2014, 07:20

... option with the release of USB 2.0, and USB 3.0 defined SuperSpeed. 4GNKCDNG USB s reliability is due to both the hardware and the protocols. The hardware specifications for USB drivers, receivers, ... flexibility built into the USB protocol, the support in the controller chips and operating system, and the support available from the USB Implementers Forum. 8GTUCVKNG USB s four tr...

Ngày tải lên: 04/07/2014, 07:20

... hub and embedded devices each have a unique address. A USB 3.0 hub is a special case. The hub contains both a USB 2.0 hub function and a USB 3.0 hub function. A composite device has one bus address ... or be hard-wired to peripheral circuits. For USB, each downstream-facing connector on a hub represents a USB port. Host applications can’t access USB ports directly but instead commu...

Ngày tải lên: 04/07/2014, 07:20