RAM 4.5 BUX II Series Manual de usuario descargar pdf (Pagina 7)

Jianjian Song LogicWorks 4 Tutorials (5/15/03) Page 7 of 14

Every pin that will appear in the device symbol must be declared as a port in a sub-circuit.

Once the ports are defined, all switches and clocks should be removed from the circuit pins.

LEFT

RIGHT

Left

Flash

Right

Left_turn

Right_turn

3.5 Create a device symbol for the turn-signal circuit

Leave the turn-signal circuit open.

Open a new file. Three options will appear: Design, Text document, Device Symbol.

Choose Device Symbol and click OK. The device symbol editor is opened.

In Options menu, select Sub-circuit/Part Type command. In Part Type, choose

“Create a sub-circuit symbol and select an open circuit to attach to it.”

When Select Internal Circuit dialog opens, click on the turn-signal sub-circuit. Click OK and then

Done.

The symbol editor has extracted all port names from the port connectors in the sub-circuit and

placed them in the Pin List at the left side of the device symbol window.

3.5.a Automatic Symbol Creation

In Options menu, select Auto Create Symbol. This will bring up a dialogue box with five

fields for you to place text into.

In the “Left Pins” field, type the names of the inputs. Separate pin names by spaces. DO NOT

HIT RETURN.

In the “Right Pins” field, type the names of the outputs.

Type the names of the control lines in either the “Bottom Pins” or “Top Pins” field.

Place the name you would like to call the symbol in the “Part Name” field in the middle of the

dialogue box.

Click on Generate Symbol and the symbol will be automatically generated for you.

3.5.b Manual Symbol Creation

To create a symbol manually, follow the steps below.

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RAM 4.5 BUX II Series Manual de usuario Pagina 7