USB Complete fourth- P11 pdf
USB Complete fourth- P11 pdf
... only the information transferred in the data packet (USB
2.0) or Data Packet Payload (SuperSpeed), excluding PID and CRC bits.
USB 2.0 and USB 3.0 require interrupt endpoints in a default interface ... packet (USB
2.0) or Data Packet Payload (SuperSpeed), excluding PID and CRC bits.
If the data doesn’t fit in a single packet, the host completes the transfer in mul-
tiple transactions. W...
USB Complete fourth- P1 pdf
... 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...
USB Complete fourth- P9 pdf
... transac-
tions. To the device, the transaction is no different than a transaction with a
USB 1.x host. The USB 2.0 or USB 3.0 hub nearest the device initiates transac-
tions with the device and returns ... not the transfer has a Data stage, and if so, in which direction the
data will travel.
The USB 2.0 and USB 3.0 specifications define standard requests. Successful
enumeration requ...
USB Complete fourth- P15 pdf
... properties.
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To update descriptors for a USB 1.x device to USB 2.0, all except some devices
that have isochronous endpoints require just one change: in the device descrip-
tor, bcdUSB must be 0200h or greater. ... bDescriptorType 1 DEVICE CAPABILITY (10h)
2 bDevCapabilityType 1 01h = Wireless USB
02h = USB 2.0 EXTENSION
03h = SUPERSPEED _USB
04h = C...
USB Complete fourth- P21 pdf
... energy. A
USB IrDA bridge converts between USB and IrDA data and enables a host to
use USB to monitor, control, and exchange data over an IrDA interface.
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The specification for USB ... subclass.
UFI uses the UFI Command Specification from www .usb. org. The commands
are based on the SCSI-2 and SFF-8070i command sets.
The USB- IF’s USB Attached SCSI Protocol (UASP)...
USB Complete fourth- P38 pdf
... Using WinUSB for Vendor-Defined Functions
349
2$2
For PICBASIC PRO firmware for WinUSB, visit my website (www.Lvr.com).
%
The Microchip USB Framework provides WinUSB firmware for the
PIC18F4550 ... transfers.
Using WinUSB for Vendor-Defined Functions
353
Use
Dim ifaceDescriptor As USB_ INTERFACE_DESCRIPTOR
Dim success As Boolean
success = WinUsb_QueryInterfaceSettings _
(myDevInfo.winU...
USB Complete fourth- P40 pdf
... Definitions
<DllImport("winusb.dll", SetLastError:=True)> Friend Shared Function WinUsb_Free _
(ByVal InterfaceHandle As IntPtr) _
As Boolean
End Function
Use
WinUsb_Free(myDevInfo.winUsbHandle)
myDevInfo.deviceHandle.Close()
8%
Definitions
... Function
Use
WinUsb_Free(myDevInfo.winUsbHandle)
myDevInfo.deviceHandle.Close()
8%
Definitions
[DllImport("winusb.dll",...
USB Complete fourth- P2 pptx
... 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...
USB Complete fourth- P3 ppsx
... option with the release of USB
2.0, and USB 3.0 defined SuperSpeed.
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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.
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USB s four tr...
USB Complete fourth- P5 pps
... 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...