Fixing nRF52840 Footprint
The EP pad size of 4.85mm is correct per the AQFN-73 footprint spec. The overlapping copper errors between EP and signal pads D+ and P0.15 are because those signal pads are incorrectly positioned. Can you check the positions of pads D+ and P0.15 and move them to their correct positions per the nRF52840-QIAA-R datasheet?
53 days
1:38
Analy.
Reading.
Access.
Planning.
Creating.
You want me to verify and correct the locations of D and P0.15 per the nRF52840 AQFN-73 datasheet, so EP overlaps disappear.
Plan:
- Compare the footprint to the Nordic pin map/orientation.
- Calculate target coordinates from the pin pitch/origin.
- Move D+ and P0.15 to the correct locations.
- Re-run DRC and confirm no EP overlaps.
- Save and summarize changes.
Click Start to run this plan, or tell me what you’d like changed.
Plan
- Verify and correct the pad locations for D+ and P0.15 on the NRF52840-QIAA-R AQFN-73 footprint, per Nordic datasheet, to eliminate overlapping copper errors with the EP by placing signal pads to their correct positions.
#Implementation plan
- Review the current AQFN-73 footprint:
- Open the layout and compare the footprint against the Nordic nRF52840-QIAA-R datasheet pin map and pad definitions.
- Identify D+ and P0.15 pad positions relative to the EP.
- Calculate correct pad positions:
- Use the datasheet to obtain the exact coordinates or relative placements for D+ and P0.15.
- Determine the correct orientation, pitch, and pad sizes.
- Re-position signal pads:
- Move the D+ pad to its correct location based on the calculated coordinates.
- Move the P0.15 pad to its correct location accordingly.
- Validate the corrections:
- Re-run DRC (Design Rule Check) to ensure no overlaps exist between these pads and the EP.
- Verify that pad shapes, sizes, and net assignments match design requirements.
- Commit the updated footprint changes in the project.
#Success criteria
- The D+ and P0.15 pads are correctly positioned as per the Nordic datasheet.
- The modified footprint shows no copper overlaps with the EP and passes DRC.
- Pad sizes, shapes, and net assignments remain consistent with design specifications.
Get current pad positions
Run DRC overlap check
Pull datasheet pad map
Confirm footprint rotation
53 days
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