Sheet Entry

Parent page: Sch Dialogs

The Sheet Entry dialog.

Summary

This dialog allows the designer to specify the properties of a Sheet Entry object. A sheet entry is an electrical design primitive that belongs within a sheet symbol. It is placed within a sheet symbol to designate input/output ports for the symbol. The sheet entries correspond to ports placed in the source schematic sub-sheet that the symbol represents.

For information on how a placed sheet entry object can be modified graphically, directly in the workspace, see Graphical Editing.

Access

The Sheet Entry dialog can be accessed during placement by pressing the Tab key.

After placement, the dialog can be accessed in one of the following ways:

  • Double-clicking on the placed sheet entry object.
  • Placing the cursor over the sheet entry object, right-clicking and choosing Properties from the context menu.

Options/Controls

  • Fill Color - click the color sample to change the fill color for the sheet entry, using the standard Choose Color dialog.
  • Text Color - click the color sample to change the text color for the sheet entry, using the standard Choose Color dialog.
  • Side - use this field to specify where the sheet entry is positioned, in relation to the parent sheet symbol. Available options are: Left, Right, Top, and Bottom.
  • Style - use this field to manually control the style of the sheet entry, when the I/O Type is set to Unspecified. The style is essentially the direction in which the entry 'points'. Available options are: None (Horizontal), Left, Right, Left & Right, None (Vertical), Top, Bottom, Top & Bottom.
If the I/O Type is set to Input, Output, or Bidirectional, then this field will override any manual setting specified in the Style field.
  • Kind - use this field to control the graphical arrow style for the sheet entry. Available options are: Block & Triangle, Triangle, Arrow, and Arrow Tail.
The direction of the arrow is determined by the setting for the I/O Type, unless Unspecified is chosen as the type, in which case the arrow direction will follow the Style setting.
  • Text Style - use this field to determine how the text for the sheet entry is displayed, when bus syntax is used. Choose from the following options:
    • Full - choose this option to display the net identifier information in full. For example the N[0..7] net identifier string will be shown as N[0..7].
    • Prefix - choose this option to display only the prefix of the net identifier, ignoring the bracketed portion. For example the N[0..7] net identifier string will be shown as N.
  • Text Font - this control serves two purposes. Firstly, it reflects the currently chosen font for the text in terms of Font Name, Font Size and Font Style. Secondly, when clicked it provides access to the standard Font dialog, from where to change the font as required.
Effects are also displayed when enabled (Strikeout, Underline). If Regular is used for the font's style, this will not be displayed visually in the control's string.
  • Border Color - click the color sample to change the outline color for the sheet entry, using the standard Choose Color dialog.

Properties

  • Name - the current name of the sheet entry. The entry in this field defines the connectivity of the sheet entry. A sheet entry connects electrically to a port on the sub-sheet belowwith the same name. Enter the name directly, or use the field's drop-down list to choose a name from all existing port names on the sub-sheet referenced by the parent sheet symbol.
Should you need to negate (include a bar over the top of) the sheet entry name, include a backslash character after each character in the name (e.g. E\N\A\B\L\E\).
  • Position - the current position of the sheet entry in relation to the top edge of the sheet symbol (when placed along the left or right edges), or left edge of the sheet symbol (when placed along the top or bottom edges). Enter a greater value to move the sheet entry further down, or right, respectively.
  • I/O Type - defines the electrical properties of the sheet entry. Select an option from the drop-down list. Available options are: Unspecified, Output, Input, and Bidirectional.
The setting of this field does not influence the connectivity of the circuit, but is considered during the running of an electrical rules check, which can be set to detect incompatible sheet entry directions.
If the I/O Type is set to Input, Output, or Bidirectional, then this field will override any manual setting specified in the Style field.
  • Locked - enable this option to protect the sheet entry from being edited graphically.
An object that has its Locked property enabled cannot be selected or graphically edited. Double click on the locked object directly and disable the Locked property, to graphically edit the object.

 

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