Part Audit and Datasheet Verification

Thought for 2 mins 59 sec

I reviewed the SAM2695 part project, confirmed the official Dream datasheet URL, and set the Datasheet URL property to:

https://docs.dream.fr/pdf/Serie2000/SAM_Datasheets/SAM2695.pdf

For this kind of audit, the datasheet should be treated as the source of truth, and the exposed pad must be counted as a pin too . Also, project properties should use the exact system property names to avoid duplicates .

Summary

Table

Area	Result
MPN	SAM2695
Functional description	Low-power single-chip synthesizer with effects and built-in codec
Package from datasheet	48-lead MQFN/QFN, 6 mm x 6 mm
Footprint in project	`QFN40P600X600X90-49N`
Pin / pad count	49 total pads in project = 48 leads + exposed pad
Datasheet URL	Official Dream PDF confirmed and set
Symbol vs datasheet pin names/numbers	Mostly matches
Footprint vs datasheet package	Matches at high level
Pin descriptions / grouping metadata	Missing

Key specs

Table

Spec	Value
Supply voltage	2.7 V to 3.6 V for `VD33` and `VA33`
Nominal supply	3.3 V
Operating temperature	-25 C to +70 C
Power consumption	18 mA typ operating, 17 uA typ power-down
Polyphony	64 voices without effects, 38 voices + effects
Audio DAC	86 dB dynamic range typ, -75 dB THD+N typ
ADC	86 dB dynamic range typ
Output regulator	`OUTVC12` = 1.2 V typ internal-use regulator output

What matches

The project has 49 terminal components, which is correct for this device because the datasheet describes a 48-lead QFN/MQFN plus an exposed die pad.
The visible footprint metadata also lines up well with the datasheet:
- datasheet: 6 mm x 6 mm QFN/MQFN
- project footprint: QFN40P600X600X90-49N
The pin numbering and names appear consistent with the datasheet pinout across the part, including AOUTL, AOUTR, MICIN, MIDI_IN, D0-D7, OUTVC12, IRQ, X1, X2, XDIV, and the exposed pad.

Mismatches / issues found

Table

Issue	Status
AGND pin type	Mismatch - currently `Power In`, should be Ground
EXP exposed pad type	Mismatch - currently `Passive`, should be Ground
Digital ground terminals	Mismatch - currently set as `Power In`, should be Ground
Active-low naming style	Minor difference: project uses `~CS`, `~RD`, `~WR`; datasheet uses `CS/`, `RD/`, `WR/`
Pin Description property	Missing on all pins
`Section` property	Missing on all pins
`Pin Group` property	Missing on all pins
`Pin Orientation` property	Missing on all pins
`Sub-symbol Designator Suffix`	Missing on all pins

Notes

The active-low label style difference is mostly cosmetic, not a pin-map error.
The biggest real correctness issue is ground classification:
- AGND
- all digital ground terminals
- EXP
The exposed pad specifically should be treated as ground because the datasheet describes it as the grounded exposed die pad, and exposed pads count as pins in the audit criteria .

Overall assessment

Footprint/package: good
Pin count: good
Pin names/numbers: good
Pin typing: needs correction for ground-related pins
Pin metadata completeness: incomplete

If you want, I can do the next cleanup pass and:

fix the ground pin types
add pin descriptions
add Section, Pin Group, Pin Orientation, and sub-symbol grouping for the whole part.

Fix pin metadata

Group by function

Check exposed pad

Set Datasheet URL to "https://docs.dream.fr/pdf/Ser..."

0:01

Set Datasheet URL to "https://docs.dream.fr/pdf/Serie2000/SAM_Datasheets/SAM2695.pdf"

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