Schematic Capture : Schematic Settings

ERC Settings

Configure ERC (Electrical Rule Check) settings.
The configured contents will be reflected to the ERC Results displayed after running the ERC.

For more details about opening the Schematic Settings screen, refer to About Schematic Settings.


Error Type

The following are the types of errors that can be configured.

Item Content

Error

When there is a problem when running ERC, the result becomes an Error.

Warning

When there is a problem when running ERC, the result becomes a Warning.

OFF

Even when there is a problem when running ERC, the result is not shown.

ERC Settings List

The following will explain the Check Contents of ERC Settings and their details.

/Inconsistent Comp/Reference Rule
- Inconsistent Net and Bus Rule
- Undefined/Unconnected Objects
- Pin Connection Matrix

 


Inconsistent Comp/Reference Rule
Duplicated references.

Error Check Type: Reference Duplication

When there is a duplicate of a component Reference on the schematic, an error is detected.
Confirm the Reference and make changes so that there is no duplicate.

 

Symbols that are not components yet.

Error Check Type: Symbol which is not converted to Component

When there is a symbol which is not converted to Component on the schematic, an error is detected.
Execute [Replace Symbol to Component], etc., to componentize.

 


Unplaced gates.

Error Check Type: Unplaced Gate

When all gates have not been placed for gate components on a schematic and there are unplaced gates, an error is detected.
Place unplaced gates.
When only used gates are placed for an operation, do not place a check for this setting.

 

Pins that are not linked to the components.

Error Check Type: Pin Assignment Error (Assigned Number), Pin Assignment Error (Assigned Gate)

When a PCB pad is not linked (assigned) to a component pin on the schematic, an error is detected.
Confirm component pin assignment.

 


 

Component whose footprint is not assigned.

Error Check Type: Assignment of Footprint

When a footprint is not assigned to a component on the schematic, an error is detected.
Assign a footprint to the component.

 

The existence of assigned footprint.

Error Check Type: Failed to Read Footprint

When a footprint assigned to a component on the schematic does not exist in the master, an error is detected.
Prepare the assigned footprint.

 


Pin numbers of assigned footprint.

Error Check Type: Mismatch Pin Numbers of Footprint

When the component on the schematic and the pin count of the footprint are different, an error is detected.
Confirm the error contents because the pin count for the circuit and PCB are different.


Alphanumeric characters are included in the reference.

Error Check Type: Reference character Violation

When there is a non-half-size character in the Reference of a component on the schematic, an error is detected.
* Prohibited Characters: .,_ ? ¥ / ^ ; :
Confirm the Reference in the schematic.


Alphanumeric characters are included in the pin number.

Error Check Type: Pin Number character Violation

When there is a non-half-size character in the Pin No. of a component on the schematic, an error is detected.
* Prohibited Characters: .,_ ? ¥ / ^ ; :
Confirm the Pin No. in the schematic.


Inconsistent Net and Bus Rule
Net connection that violates bus rule.

Error Check Type: Bus Rule Violation

When there is a Net Connection that violates the Bus Rules set for buses, an error is detected.
Confirm that the wires connected to the bus are compliant with Bus Rules.

 

Two-byte characters in net name.

Error Check Type: Two-byte characters in Net Name

When the Net Name contains a full-size character, an error is detected.
Change it to a Net Name with half-size characters.

 


Same net power supplies but different symbol.

Error Check Type: Same Net Power Supplies Using Different Symbols

Where there are different Power Supply Symbols placed with the same Net Name, an error is detected.
Use the same Power Supply symbol for Power Supplies with the same Net Name.

 

Same pins connected to different nets.

Error Check Type: Same Pins Connected to Different Nets

When the same pin is connected to different nets, an error is detected.
Confirm the Net Name, and make changes so that one name is connected to one pin.

 

Single pin net.

Error Check Type: Single Pin Net

When there is no connection destination for a wire with the specified Net Name and it is a Single Pin Net, an error is detected.
Confirm the connection destination, and connect the wire.

 


Undefined/Unconnected Objects
Single wire connection to bus.

Error Check Type: Single Wire Connection to Bus

When there is a single connection among the wirings connected to a bus, an error is detected.
Confirm the connection destination.

 

Alone port.

Error Check Type: Single Port Placement

When only one port is placed and there is no destination address, an error is detected.
Confirm the connection destination.

 


Undefined pin numbers.

Error Check Type: Undefined Pin Number

When a component Pin No. has not been input, an error is detected.
Input a Pin No.

 

 

The connected mechanical components.

Error Check Type: Connection to Mechanical Component

If a wire is connected when a component is specified to "Set as Mechanical Component (excluded from netlist)", an error is detected.
Disconnect wires from Mechanical Components.

 


Unconnected pins.

Error Check Type: Unconnected Pin

When there is an unconnected pin, an error is detected.
Confirm the connections. For pins that do not need to be connected, set them to "Non Connection".

 

Connection to the unconnected pins.

Error Check Type: Connection to Unconnected Pin

If a wire is connected even though the pin is specified as "Non Connection", an error is detected.
Disconnect wires from "Non Connection" pins.

 


Unconnected power supplies.

Error Check Type: Unconnected Power Supply

When there is an unconnected power supply, an error is detected.
Connect to the power supply.

 

Unconnected ports.

Error Check Type: Unconnected Port

When there is an unconnected port, an error is detected.
Connect to the port.

 


Unconnected wire end points.

Error Check Type: Unconnected Wire

When there is an unconnected wire end point, an error is detected.
Connect the wire.

 


  

Pin Connection Matrix
Pin Connection Matrix

Error Check Type: Electrical Property Connection Violation

By configuring the Pin Connection Matrix settings, when running ERC, the Electrical Attributes for pins connected to pins are checked.
With Quadcept, settings for the Electrical Attributes Check can easily be made using the Pin Connection Matrix.

If an error is detected, confirm the Electrical Characteristics of the pin.

There are the following methods for configuring Pin Connection Matrix settings.

Item Content Setting Methods

Individual Settings

Configure electrical attributes individually.

Click the button where the column/line header electrical attribute names intersect

Batch Settings

Configure all electrical attribute settings for a column/line.

Click a column/line header electrical attribute name

Configure the pin electrical attribute settings from the Pin Attribute Settings screen of the Edit Component dialog.
For more details, refer to STEP 7:  Pin Settings in Creating Components.