2021 CvPcb iii Contents 1 Introduction to CvPcb 2 2 CvPcb Features 2 2.1 Manual or Automatic Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 Invoking CvPcb . . . . . . 5 5 Footprint Libraries Management 6 5.1 Important remark: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.2 Footprint Library tables . . . . . . . . . . 6 5.2.1 Global Footprint Library Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.2.2 Project Specific Footprint Library Table . . . . . . . . . .

2021 CvPcb iii Contents 1 Introduction to CvPcb 2 2 CvPcb Features 2 2.1 Manual or Automatic Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 Invoking . . . . 5 5 Footprint Libraries Management 6 5.1 Important remark: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.2 Footprint Library tables . . . . . . . 6 5.2.1 Global Footprint Library Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.2.2 Project Specific Footprint Library Table . . . . . . . .

board. This association is added to the net list file created by the schematic capture program Eeschema. The net list file generated by Eeschema specifies which printed circuit board footprint is associated schematic only when the footprint field of the component is initialized. This is the case when component footprints are associated during schematic capture by setting the component’s footprint field, or it is components during schematic capture. It provides footprint list filtering, footprint viewing, and 3D component model viewing to help ensure the correct footprint is associated with each component. Components

board. This association is added to the net list file created by the schematic capture program Eeschema. The net list file generated by Eeschema specifies which printed circuit board footprint is associated schematic only when the footprint field of the component is initialized. This is the case when component footprints are associated during schematic capture by setting the component’s footprint field, or it is components during schematic capture. It provides footprint list filtering, footprint viewing, and 3D component model viewing to help ensure the correct footprint is associated with each component. Components

in Symbol Properties Assigning Footprints While Placing Symbols Assigning Footprints with the Footprint Assignment Tool Transferring designs between schematic and PCB Update PCB from Schematic Update symbol specifies a default footprint, this footprint will be previewed in the lower right. If the symbol includes footprint filters, alternate footprints that satisfy the footprint filters can be selected selected in the footprint dropdown menu at right. After selecting a symbol to place, the symbol will be attached to the cursor. Left clicking the desired location in the schematic places the symbol into the

in Symbol Properties Assigning Footprints While Placing Symbols Assigning Footprints with the Footprint Assignment Tool Forward and back annotation Update PCB from Schematic (forward annotation) Update symbol specifies a default footprint, this footprint will be previewed in the lower right. If the symbol includes footprint filters, alternate footprints that satisfy the footprint filters can be selected selected in the footprint dropdown menu at right. After selecting a symbol to place, the symbol will be attached to the cursor. Left clicking the desired location in the schematic places the symbol into the

in Symbol Properties Assigning Footprints While Placing Symbols Assigning Footprints with the Footprint Assignment Tool Forward and back annotation Update PCB from Schematic (forward annotation) Update symbol specifies a default footprint, this footprint will be previewed in the lower right. If the symbol includes footprint filters, alternate footprints that satisfy the footprint filters can be selected selected in the footprint dropdown menu at right. After selecting a symbol to place, the symbol will be attached to the cursor. Left clicking the desired location in the schematic places the symbol into the

systems. Pcbnew is used in association with the schematic capture program Eeschema to create printed circuit boards. Pcbnew manages libraries of footprints. Each footprint is a drawing of the physical required footprints are automatically loaded during the reading of the Netlist. Any changes to footprint selection or annotation can be changed in the schematic and updated in pcbnew by regenerating the footprints which are connected on the schematic. These connections move dynamically as track and footprint movements are made. Pcbnew has a simple but effective autorouter to assist in the production of

. . . . . . . . 3 2.3 Managing Footprint Libraries: legacy versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.4 Managing Footprint Libraries: .pretty repositories . . . . . . . 4 2.4.1 Global Footprint Library Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.4.2 Project Specific Footprint Library Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.14.2 Footprint mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

systems. Pcbnew is used in association with the schematic capture program Eeschema to create printed circuit boards. Pcbnew manages libraries of footprints. Each footprint is a drawing of the physical required footprints are automatically loaded during the reading of the Netlist. Any changes to footprint selection or annotation can be changed in the schematic and updated in pcbnew by regenerating the footprints which are connected on the schematic. These connections move dynamically as track and footprint movements are made. Pcbnew has a simple but effective autorouter to assist in the production of