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Used by
Element clockDomain
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Describes the characteristics of a Clock Domain identified by the clockDomainID attribute.
Diagram
Diagram avschema_xsd_Element_clockDomain.tmp#clockDomain_clockDomainID avschema_xsd_Element_clockDomain.tmp#clockDomain_source avschema_xsd_Element_clockDomain.tmp#clockDomain_sink
Properties
content: complex
Used by
Model source | sink
Children sink, source
Instance
<clockDomain clockDomainID="" xmlns="http://avschemas.usb.org/v1/AVSchema">
  <source>{1,1}</source>
  <sink>{1,1}</sink>
</clockDomain>
Attributes
QName Type Fixed Default Use Annotation
clockDomainID positiveUnsignedShort required
Source
<xsi:element name="clockDomain">
  <xsi:annotation>
    <xsi:documentation>Describes the characteristics of a Clock Domain identified by the clockDomainID attribute.</xsi:documentation>
  </xsi:annotation>
  <xsi:complexType>
    <xsi:choice>
      <xsi:element name="source">
        <xsi:annotation>
          <xsi:documentation>Indicates that this AVData Entity is driving the Clock Domain.</xsi:documentation>
        </xsi:annotation>
        <xsi:complexType>
          <xsi:sequence>
            <xsi:element name="referenceClock" type="onlyRefControlType" minOccurs="0">
              <xsi:annotation>
                <xsi:documentation>Used to indicate the Clock Domain Reference Clock frequency (in Hz.).</xsi:documentation>
                <xsi:documentation>Can optionally be used by AVData Streaming interfaces to indicate the reference frequency from which the actual operating frequency is derived.</xsi:documentation>
                <xsi:documentation>- The actual operating frequency is indicated by the Video- or AudioFrame clock element of the Stream configuration hierarchy.</xsi:documentation>
                <xsi:documentation>- The actual operating clock and the Reference Clock are always synchronous.</xsi:documentation>
                <xsi:documentation>- If omitted, then the actual operating clock and the Reference Clock shall be identical.</xsi:documentation>
                <xsi:documentation>Mandatory for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source.</xsi:documentation>
              </xsi:annotation>
            </xsi:element>
            <xsi:element name="clockConnector" type="clockConnectorControlType" minOccurs="0">
              <xsi:annotation>
                <xsi:documentation>Describes the connector through which the clock signal enters the AVFunction.</xsi:documentation>
                <xsi:documentation>Only allowed for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source and receive their Reference Clock through an external connector.</xsi:documentation>
              </xsi:annotation>
            </xsi:element>
            <xsi:element name="clockValid" type="onlyRefControlType" minOccurs="0">
              <xsi:annotation>
                <xsi:documentation>Used to indicate whether the AVData Entity is currently receiving a valid clock signal.</xsi:documentation>
              </xsi:annotation>
            </xsi:element>
            <xsi:element name="pitch" type="rowBooleanControlType" minOccurs="0">
              <xsi:annotation>
                <xsi:documentation>Used to enable a wider variation in sampling frequency without losing lock.</xsi:documentation>
                <xsi:documentation>Only allowed when the associated clock recovery circuitry is Adaptive.</xsi:documentation>
              </xsi:annotation>
            </xsi:element>
          </xsi:sequence>
        </xsi:complexType>
      </xsi:element>
      <xsi:element name="sink" type="emptyElementType">
        <xsi:annotation>
          <xsi:documentation>Indicates that this AVData Entity is driven by the Clock Domain.</xsi:documentation>
        </xsi:annotation>
      </xsi:element>
    </xsi:choice>
    <xsi:attribute name="clockDomainID" type="positiveUnsignedShort" use="required"/>
  </xsi:complexType>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / source
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Indicates that this AVData Entity is driving the Clock Domain.
Diagram
Diagram avschema_xsd_Element_clockDomain.tmp#clockDomain_clockDomain_source_referenceClock avschema_xsd_Element_clockDomain.tmp#clockDomain_clockDomain_source_clockConnector avschema_xsd_Element_clockDomain.tmp#clockDomain_clockDomain_source_clockValid avschema_xsd_Element_clockDomain.tmp#clockDomain_clockDomain_source_pitch
Properties
content: complex
Model referenceClock{0,1} , clockConnector{0,1} , clockValid{0,1} , pitch{0,1}
Children clockConnector, clockValid, pitch, referenceClock
Instance
<source xmlns="http://avschemas.usb.org/v1/AVSchema">
  <referenceClock refID="">{0,1}</referenceClock>
  <clockConnector refID="">{0,1}</clockConnector>
  <clockValid refID="">{0,1}</clockValid>
  <pitch refID="" rw="">{0,1}</pitch>
</source>
Source
<xsi:element name="source">
  <xsi:annotation>
    <xsi:documentation>Indicates that this AVData Entity is driving the Clock Domain.</xsi:documentation>
  </xsi:annotation>
  <xsi:complexType>
    <xsi:sequence>
      <xsi:element name="referenceClock" type="onlyRefControlType" minOccurs="0">
        <xsi:annotation>
          <xsi:documentation>Used to indicate the Clock Domain Reference Clock frequency (in Hz.).</xsi:documentation>
          <xsi:documentation>Can optionally be used by AVData Streaming interfaces to indicate the reference frequency from which the actual operating frequency is derived.</xsi:documentation>
          <xsi:documentation>- The actual operating frequency is indicated by the Video- or AudioFrame clock element of the Stream configuration hierarchy.</xsi:documentation>
          <xsi:documentation>- The actual operating clock and the Reference Clock are always synchronous.</xsi:documentation>
          <xsi:documentation>- If omitted, then the actual operating clock and the Reference Clock shall be identical.</xsi:documentation>
          <xsi:documentation>Mandatory for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source.</xsi:documentation>
        </xsi:annotation>
      </xsi:element>
      <xsi:element name="clockConnector" type="clockConnectorControlType" minOccurs="0">
        <xsi:annotation>
          <xsi:documentation>Describes the connector through which the clock signal enters the AVFunction.</xsi:documentation>
          <xsi:documentation>Only allowed for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source and receive their Reference Clock through an external connector.</xsi:documentation>
        </xsi:annotation>
      </xsi:element>
      <xsi:element name="clockValid" type="onlyRefControlType" minOccurs="0">
        <xsi:annotation>
          <xsi:documentation>Used to indicate whether the AVData Entity is currently receiving a valid clock signal.</xsi:documentation>
        </xsi:annotation>
      </xsi:element>
      <xsi:element name="pitch" type="rowBooleanControlType" minOccurs="0">
        <xsi:annotation>
          <xsi:documentation>Used to enable a wider variation in sampling frequency without losing lock.</xsi:documentation>
          <xsi:documentation>Only allowed when the associated clock recovery circuitry is Adaptive.</xsi:documentation>
        </xsi:annotation>
      </xsi:element>
    </xsi:sequence>
  </xsi:complexType>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / source / referenceClock
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Used to indicate the Clock Domain Reference Clock frequency (in Hz.).
Can optionally be used by AVData Streaming interfaces to indicate the reference frequency from which the actual operating frequency is derived.
- The actual operating frequency is indicated by the Video- or AudioFrame clock element of the Stream configuration hierarchy.
- The actual operating clock and the Reference Clock are always synchronous.
- If omitted, then the actual operating clock and the Reference Clock shall be identical.
Mandatory for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source.
Diagram
Diagram AVTypes_xsd_Attribute_Group_refID.tmp#refID AVTypes_xsd_Complex_Type_onlyRefControlType.tmp#onlyRefControlType
Type onlyRefControlType
Properties
content: complex
minOccurs: 0
Attributes
QName Type Fixed Default Use Annotation
refID xsi:string optional
Can be used to uniquely identify the object represented by this element for external binding reference purposes.
The value of the refID shall be unique for each object within the AVFunction and is implementation-specific. May be a GUID.
Source
<xsi:element name="referenceClock" type="onlyRefControlType" minOccurs="0">
  <xsi:annotation>
    <xsi:documentation>Used to indicate the Clock Domain Reference Clock frequency (in Hz.).</xsi:documentation>
    <xsi:documentation>Can optionally be used by AVData Streaming interfaces to indicate the reference frequency from which the actual operating frequency is derived.</xsi:documentation>
    <xsi:documentation>- The actual operating frequency is indicated by the Video- or AudioFrame clock element of the Stream configuration hierarchy.</xsi:documentation>
    <xsi:documentation>- The actual operating clock and the Reference Clock are always synchronous.</xsi:documentation>
    <xsi:documentation>- If omitted, then the actual operating clock and the Reference Clock shall be identical.</xsi:documentation>
    <xsi:documentation>Mandatory for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source.</xsi:documentation>
  </xsi:annotation>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / source / clockConnector
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Describes the connector through which the clock signal enters the AVFunction.
Only allowed for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source and receive their Reference Clock through an external connector.
Diagram
Diagram AVTypes_xsd_Attribute_Group_refID.tmp#refID AVTypes_xsd_Complex_Type_clockConnectorControlType.tmp#clockConnectorControlType_label AVTypes_xsd_Complex_Type_clockConnectorControlType.tmp#clockConnectorControlType_description AVTypes_xsd_Complex_Type_clockConnectorControlType.tmp#clockConnectorControlType
Type clockConnectorControlType
Properties
content: complex
minOccurs: 0
Model label , description{0,1} , ANY element from ANY namespace OTHER than 'http://avschemas.usb.org/v1/AVSchema'
Children description, label
Instance
<clockConnector refID="" xmlns="http://avschemas.usb.org/v1/AVSchema">
  <label>{1,1}</label>
  <description>{0,1}</description>
</clockConnector>
Attributes
QName Type Fixed Default Use Annotation
refID xsi:string optional
Can be used to uniquely identify the object represented by this element for external binding reference purposes.
The value of the refID shall be unique for each object within the AVFunction and is implementation-specific. May be a GUID.
Source
<xsi:element name="clockConnector" type="clockConnectorControlType" minOccurs="0">
  <xsi:annotation>
    <xsi:documentation>Describes the connector through which the clock signal enters the AVFunction.</xsi:documentation>
    <xsi:documentation>Only allowed for AVData Entities (excluding AVData Streaming interfaces) that act as a Clock Domain Source and receive their Reference Clock through an external connector.</xsi:documentation>
  </xsi:annotation>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / source / clockValid
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Used to indicate whether the AVData Entity is currently receiving a valid clock signal.
Diagram
Diagram AVTypes_xsd_Attribute_Group_refID.tmp#refID AVTypes_xsd_Complex_Type_onlyRefControlType.tmp#onlyRefControlType
Type onlyRefControlType
Properties
content: complex
minOccurs: 0
Attributes
QName Type Fixed Default Use Annotation
refID xsi:string optional
Can be used to uniquely identify the object represented by this element for external binding reference purposes.
The value of the refID shall be unique for each object within the AVFunction and is implementation-specific. May be a GUID.
Source
<xsi:element name="clockValid" type="onlyRefControlType" minOccurs="0">
  <xsi:annotation>
    <xsi:documentation>Used to indicate whether the AVData Entity is currently receiving a valid clock signal.</xsi:documentation>
  </xsi:annotation>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / source / pitch
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Used to enable a wider variation in sampling frequency without losing lock.
Only allowed when the associated clock recovery circuitry is Adaptive.
Diagram
Diagram AVTypes_xsd_Attribute_Group_rw.tmp#rw AVTypes_xsd_Attribute_Group_refID.tmp#refID AVTypes_xsd_Complex_Type_rowBooleanControlType.tmp#rowBooleanControlType
Type rowBooleanControlType
Properties
content: complex
minOccurs: 0
Attributes
QName Type Fixed Default Use Annotation
refID xsi:string optional
Can be used to uniquely identify the object represented by this element for external binding reference purposes.
The value of the refID shall be unique for each object within the AVFunction and is implementation-specific. May be a GUID.
rw rwType required
Used to indicate the read-write support level for the Control.
RO means the CUR Property is implemented as Read-Only and the NEXT Porperty is not implemented.
RON means the CUR Property is implemented as Read-Only and the NEXT Porperty is implemented (always Read-Write).
RW means the CUR Property is implemented as Read-Write and the NEXT Porperty is not implemented.
RWN means the CUR Property is implemented as Read-Write and the NEXT Porperty is implemented (always Read-Write).
Source
<xsi:element name="pitch" type="rowBooleanControlType" minOccurs="0">
  <xsi:annotation>
    <xsi:documentation>Used to enable a wider variation in sampling frequency without losing lock.</xsi:documentation>
    <xsi:documentation>Only allowed when the associated clock recovery circuitry is Adaptive.</xsi:documentation>
  </xsi:annotation>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Element clockDomain / sink
Namespace http://avschemas.usb.org/v1/AVSchema
Annotations
Indicates that this AVData Entity is driven by the Clock Domain.
Diagram
Diagram AVTypes_xsd_Complex_Type_emptyElementType.tmp#emptyElementType
Type emptyElementType
Properties
content: complex
Source
<xsi:element name="sink" type="emptyElementType">
  <xsi:annotation>
    <xsi:documentation>Indicates that this AVData Entity is driven by the Clock Domain.</xsi:documentation>
  </xsi:annotation>
</xsi:element>
Schema location http://avschemas.usb.org/v1/avschema.xsd
Attribute clockDomain / @clockDomainID
Namespace No namespace
Type positiveUnsignedShort
Properties
use: required
Facets
minInclusive 1
Used by
Element clockDomain
Source
<xsi:attribute name="clockDomainID" type="positiveUnsignedShort" use="required"/>
Schema location http://avschemas.usb.org/v1/avschema.xsd