ESP32-C6 based audio module with audio CODEC (U3) and control IC (U7). 4 power rails: 3V3, 1V8, 5V, GND. Large modular connector J0 (100-pin). ERC review completed 2026-04-16 — 2 named floating nets pending disposition (VREF, N0). Requirements and verification plan not yet defined.
Milestones
No milestones defined.
Items (3)
| Code | Status | Severity | Kind | Title | Date |
|---|---|---|---|---|---|
| E-001 | open | blocking | notice | ERC ERROR: VREF net floating — J3.pin8 has no driver | 2026-05-25 |
| E-002 | open | blocking | notice | ERC ERROR: N0 net floating — J3.pin9 has no other endpoint | 2026-05-25 |
| E-003 | open | warning | notice | ERC WARNING: J2 connector — 95 pins all connected to GND | 2026-05-25 |
Requirements
No requirements recorded.
Test Cases
No test cases recorded.
Verification Records
No verification records.
Notices
Finding: Net VREF connects only to J3.pin8. No voltage reference source (regulator, divider, or reference IC) drives this net.
Action required: Verify that VREF is supplied externally via the connector, or add a driver on the board. Disposition: Fix / Accept / False Positive.
Source: ERC review 2026-04-16 (DOCS/ESH10000560_ERC_REVIEW_2026-04-16.md)
Finding: Named net N0 connects only to J3.pin9. Possible labelling artefact or missing connection.
Action required: Clarify intent — should this connect elsewhere, or is it a schematic labelling error? Disposition: Fix / Accept / False Positive.
Source: ERC review 2026-04-16 (DOCS/ESH10000560_ERC_REVIEW_2026-04-16.md)
Finding: Connector J2 has 95 pins all routed to GND. May be a mechanical/shield connector or ground plane connector — confirm intent.
Action required: Confirm J2 is intentionally a ground/shield connector. If any pins should carry signals, update schematic.
Source: ERC review 2026-04-16 (DOCS/ESH10000560_ERC_REVIEW_2026-04-16.md)
Design Rule Status
■ No violations ■ Warning ■ Error ■ Waived