Bulk Out Endpoint Descriptor, I0A2E1 | Lucent Technologies USS-720

USS-720Instant USB								Preliminary Data Sheet, Rev. 5
USB-to-IEEE1284 Bridge								September 1999

USB Port (continued)
Interface 0, Alternate Setting 2 (I0:A2)
Table 11. Interface Descriptor, I0:A2

Offset		Field		Size		Value		Description
0		bLength		Byte		0x09		Size of this descriptor in bytes.

1		bDescriptorType		Byte		0x04		Interface descriptor type.

2		bInterfaceNumber		Byte		0x00		Zero-based value identifying the number of this interface.

3		bAlternateSetting		Byte		0x02		Value used to select this alternate interface.

4		bNumEndpoints		Byte		0x03		Number of endpoints used by this descriptor.

5		bInterfaceClass		Byte		0xFF		Vendor speciﬁc.

6		iInterfaceSubClass		Byte		0x00		—

7		bInterfaceProtocol		Byte		0xFF		Vendor speciﬁc.

8		iInterface		Byte		0x00		Index to string describing this interface.

Table 12. Bulk Out Endpoint Descriptor, I0:A2:E1

Offset		Field		Size		Value		Description
0		bLength		Byte		0x07		Size of this descriptor in bytes.

1		bDescriptorType		Byte		0x05		Endpoint descriptor type.

2		bEndpointAddress		Byte		0x01		This is an Out endpoint, endpoint number 1.

3		bmAttributes		Byte		0x02		This is a Bulk endpoint.

4		wMaxPacketSize		Word		0x0040		Maximum data transfer size.

6		bInterval		Byte		0x00		Does not apply to Bulk endpoints.

Table 13. Bulk In Endpoint Descriptor, I0:A2:E2

Offset		Field		Size		Value		Description
0		bLength		Byte		0x07		Size of this descriptor in bytes.
1		bDescriptorType		Byte		0x05		Endpoint descriptor type.
2		bEndpointAddress		Byte		0x82		This is an In endpoint, endpoint number 2.
3		bmAttributes		Byte		0x02		This is a Bulk endpoint.
4		wMaxPacketSize		Word		0x0040		Maximum data transfer size.
6		bInterval		Byte		0x00		Does not apply to Bulk endpoints.
Table 14. Interrupt Endpoint Descriptor, I0:A2:E3

Offset		Field		Size		Value		Description
0		bLength		Byte		0x07		Size of this descriptor in bytes.
1		bDescriptorType		Byte		0x05		Endpoint descriptor type.
2		bEndpointAddress		Byte		0x83		This is an In endpoint, endpoint number 3.
3		bmAttributes		Byte		0x03		This is an Interrupt endpoint.
4		wMaxPacketSize		Word		0x0004		Maximum data transfer size.
6		bInterval		Byte		0x01		This pipe should be serviced every frame.

5-10	Lucent Technologies Inc.

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Lucent Technologies USS-720 manual Bulk Out Endpoint Descriptor, I0A2E1, Bulk In Endpoint Descriptor, I0A2E2

Contents

Introduction Information Manual, Rev September Table of Contents Information Manual, Rev Evaluation Kit for USS-720 September USB-to-IEEE Bridge USS-720 USB Device Driver Preliminary User Guide IOCTL1284 TerminateIOCTLSET1284REGISTER USS-720 USB Port Monitor Application Note Evaluation Kit Contents Hardware Requirements \SAMPLES OSR2.1 Cable Installation Instructions Getting Started Instructions Software Updates Windows 98 Cable Installation Instructions USB Driver and Port Monitor Plug and PlayPort Creation Eeprom Lucent Technologies Inc Lucent Technologies Microelectronics Group In-System Design, Inc USB Applications Support September Evaluation Kit Software USS-720 Driver Software Object Code License AgreementFebruary Introduction USS-720 Software Use Agreement February Licensed SoftwareFurnishing of Licensed Software Ownership USS-720 February Software Use Agreement Warranty and Indemnity Agreement PrevailsNothing Construed 04 Conﬁdentiality Publicity NonassignabilityAddresses Integration Applicable Law Disputes USS720.SYS USS720.INFDocumentation USS-720 Software Use Agreement February Software Components Application Note, Rev February Customer-Deﬁned Data Plug and Play Operation PnPPrinter Enumeration Power Management Installation ProcessOperating Systems Supported USB Hardware Types Supported Printer Types Supported Print Types Supported Features Preliminary Data Sheet, Rev SeptemberDescription Table of Contents Preliminary Data Sheet, Rev USS-720 Pin InformationUSB-to-IEEE Parallel Port nAutoFd Signal Active-Low Parallel Port nSelectIn Signal Active-LowParallel Port nInit Signal Active-Low Parallel Port nAck Signal Active-Low Overview USB PortDevice Descriptor, Conﬁgurations, and Inter- faces Descriptor Locations USB-to- Ieee 1284 Bridge September Onboard Device DescriptorDevice Descriptor Offset Field Size Value Description USB-to- Ieee Conﬁguration Descriptor Interface Descriptors Bulk Out Endpoint Descriptor, I0A0E1 September USB-to-IEEE1284 Bridge Bulk Out Endpoint Descriptor, I0A1E1Bulk In Endpoint Descriptor, I0A1E2 Bulk Out Endpoint Descriptor, I0A2E1 Bulk In Endpoint Descriptor, I0A2E2Interrupt Endpoint Descriptor, I0A2E3 Pipes RequestsStandard Requests Printer Class-Speciﬁc Requests Get Port Status Data Bit Description Vendor-Speciﬁc Requests GET1284REGISTERSET1284REGISTER Ieee 1284 Port Register-Based Operation Registers GET1284REGISTER Data Byte Register DataInterrupt Pipe Read Data Byte Register Data Status Register Address Bit Symbol Default Bit Symbol Bit DescriptionParallel Port nFault Signal Reserved Control Register Address Bit Symbol Access Default Bit Symbol Bit DescriptionParallel Port nInit Signal USB-to-IEEE1284 Bridge USS-720Instant USB ECP Command Register Address Bit Symbol Access Extended Control Register Address Bit Symbol Mode20 Description USS-720 Control Register Address Bit Symbol USS-720 Setup Register Address Bit Symbol Interrupts External Circuitry Requirements External Crystal Connection Filter Bypass Mode High Drive ModeSelf-Powered Mode Absolute Maximum Ratings Parameter Symbol Min Unit Electrical Characteristics Parameter Symbol Test Conditions Min Typ Max UnitCapacitance Values Parameter Unit Clklo Clkhi Timing Characteristics Setup and Hold Input Timing ParameterOutput Delay Timing Parameter Min Max Unit Outline Diagram Ordering InformationPin Mqfp Device Code Package Comcode Application Note February Description Parallel PortBridging USB to Typical Circuit Showing USS Lucent Technologies Inc Signal Directions Preliminary User Guide, Rev February IOCTL1284 Setmode Initialization O File FunctionsPreliminary User Guide, Rev USS-720 February USB Device Driver CreateFile Error Codes ReadFile WriteFile DeviceIoControl CloseHandle O Control Codes Control Code Description IOCTL1284 Ecpfwdtorev Parameters IOCTL1284ECPREVTOFWD IOCTL1284 Ecpsetchannel Register Mode Description IOCTL1284 Setmode IOCTL1284 Terminate Ioctlabortpipe Value DescriptionBulkoutpipe Bulkinpipe Ioctlcancelpiperequest IOCTLGET1284REGISTER Ioctlgetaltsetting ALTINTERFACE0ALTINTERFACE1 ALTINTERFACE2 Ioctlgetcapabilities Ioctlgetconfigurationdescriptor Ioctlgetdevicedescriptor Ioctlgetdeviceinstances Ioctlgetinterface Ioctlgetportstatus Bit Meaning IOCTLISSUEUSS720COMMAND Command Description Ioctlreadinterruptpipe Byte Description Ioctlresetpipe IOCTLSET1284REGISTER Ioctlsetaltsetting Ioctlsoftreset O Control Data Structures DeviceinstanceheaderDeviceinstance Data Structure REGISTER1284 REGISTER1284, *PREGISTER1284 ADVREGISTER1284 ADVREGISTER1284, *PADVREGISTER1284 Lucent Technologies Inc USS-720 USB Port Monitor USS-720 Application Note USB Port Monitor February Printer Cable with Instant USB Software Installation Instructions W98USS720EvalKit2402.zip to download the installation ﬁlesApplication Note June Click on Enter Library September MN99-052CMPR-1 Replaces MN97-061CMPR-04