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ATSAMD20G16A-AU

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Microchip Tech Pre-ordered MCUs, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatsamd20g16a-aufactory-2.0.0extractor-text

Verified ATSAMD20G16A-AU

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier mfr, 48 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAMD20G16A-AU · TQFP-48(7x7) · 48 pins
  • ✓copper: 48 copper pads, none touching another net
  • ✓datasheet: all 48 pin names found in the 51-page datasheet
  • ✓distributor: lcsc C1337637, digikey ATSAMD20G16A-AU-ND, mouser 556-ATSAMD20G16A-AU
  • ✓family: TQFP-48_7x7mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-yqr0q0dn/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 48 pins = 48 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 48 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsamd20g16a-au.kicad_sym✓ atsamd20g16a-au.kicad_mod✓ atsamd20g16a-au.step
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ATSAMD20G16A-AU

Microchip Tech · Pre-ordered MCUs · TQFP-48(7x7)

ATSAMD20G16A-AU from Microchip Tech, in a TQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PA00 bidirectional Port A pin PA00, a digital/analog I/O pin as labelled in the SAM D20G 48-pin pinout.
2 PA01 bidirectional Port A pin PA01, a digital/analog I/O pin as labelled in the SAM D20G 48-pin pinout.
3 PA02 bidirectional Port A pin PA02, a digital/analog I/O pin as labelled in the SAM D20G 48-pin pinout.
4 PA03 bidirectional Port A pin PA03, a digital/analog I/O pin as labelled in the SAM D20G 48-pin pinout.
5 GNDANA power_in Analog ground pin for the analog peripherals.
6 VDDANA power_in Analog supply pin for the analog peripherals.
7 PB08 bidirectional Port B pin PB08, a digital/analog I/O pin as labelled in the pinout.
8 PB09 bidirectional Port B pin PB09, a digital/analog I/O pin as labelled in the pinout.
9 PA04 bidirectional Port A pin PA04, a digital/analog I/O pin as labelled in the pinout.
10 PA05 bidirectional Port A pin PA05, a digital/analog I/O pin as labelled in the pinout.
11 PA06 bidirectional Port A pin PA06, a digital/analog I/O pin as labelled in the pinout.
12 PA07 bidirectional Port A pin PA07, a digital/analog I/O pin as labelled in the pinout.
13 PA08 bidirectional Port A pin PA08, a digital I/O pin as labelled in the pinout.
14 PA09 bidirectional Port A pin PA09, a digital I/O pin as labelled in the pinout.
15 PA10 bidirectional Port A pin PA10, a digital I/O pin as labelled in the pinout.
16 PA11 bidirectional Port A pin PA11, a digital I/O pin as labelled in the pinout.
17 VDDIO power_in Digital I/O supply pin for the I/O group, as labelled in the pinout.
18 GND power_in Digital ground pin.
19 PB10 bidirectional Port B pin PB10, a digital I/O pin as labelled in the pinout.
20 PB11 bidirectional Port B pin PB11, a digital I/O pin as labelled in the pinout.
21 PA12 bidirectional Port A pin PA12, a digital I/O pin as labelled in the pinout.
22 PA13 bidirectional Port A pin PA13, a digital I/O pin as labelled in the pinout.
23 PA14 bidirectional Port A pin PA14, a digital I/O pin as labelled in the pinout.
24 PA15 bidirectional Port A pin PA15, a digital I/O pin as labelled in the pinout.
25 PA16 bidirectional Port A pin PA16, a digital I/O pin as labelled in the pinout.
26 PA17 bidirectional Port A pin PA17, a digital I/O pin as labelled in the pinout.
27 PA18 bidirectional Port A pin PA18, a digital I/O pin as labelled in the pinout.
28 PA19 bidirectional Port A pin PA19, a digital I/O pin as labelled in the pinout.
29 PA20 bidirectional Port A pin PA20, a digital I/O pin as labelled in the pinout.
30 PA21 bidirectional Port A pin PA21, a digital I/O pin as labelled in the pinout.
31 PA22 bidirectional Port A pin PA22, a digital I/O pin as labelled in the pinout.
32 PA23 bidirectional Port A pin PA23, a digital I/O pin as labelled in the pinout.
33 PA24 bidirectional Port A pin PA24, a digital I/O pin as labelled in the pinout.
34 PA25 bidirectional Port A pin PA25, a digital I/O pin as labelled in the pinout.
35 GND power_in Digital ground pin.
36 VDDIO power_in Digital I/O supply pin for the I/O group, as labelled in the pinout.
37 PB22 bidirectional Port B pin PB22, a digital I/O pin as labelled in the pinout.
38 PB23 bidirectional Port B pin PB23, a digital I/O pin as labelled in the pinout.
39 PA27 bidirectional Port A pin PA27, a digital I/O pin as labelled in the pinout.
40 RESET input Reset pin (RESET) as labelled in the pinout legend.
41 PA28 bidirectional Port A pin PA28, a digital I/O pin as labelled in the pinout.
42 GND power_in Digital ground pin.
43 VDDCORE power_out Regulated output supply pin (internal core voltage), as classified in the pinout legend.
44 VDDIN power_in Input supply pin for the device, as classified in the pinout legend.
45 PA30 bidirectional Port A pin PA30, a digital I/O pin as labelled in the pinout.
46 PA31 bidirectional Port A pin PA31, a digital I/O pin as labelled in the pinout.
47 PB02 bidirectional Port B pin PB02, a digital/analog I/O pin as labelled in the pinout.
48 PB03 bidirectional Port B pin PB03, a digital/analog I/O pin as labelled in the pinout.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating voltage 1.62 3.63 V 2
Operating temperature, package grade U (-40 to 85 °C, matte Sn plating) -40 85 °C Ordering code suffix -AU (TQFP package, grade U) 6
Thermal resistance, junction-to-ambient, 48-pin TQFP θJA 78.8 °C/W 48-pin TQFP 39
Thermal resistance, junction-to-case, 48-pin TQFP θJC 12.3 °C/W 48-pin TQFP 39

CAD (KiCad official)

  • Symbol: ATSAMD20G16A-AU
  • Footprint: Package_QFP:TQFP-48_7x7mm_P0.5mm
  • 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: atsamd20g16a-au-etched.step / atsamd20g16a-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsamd20g16a-au.step / atsamd20g16a-au.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (51 pp, sha256 f65ff0a48f734e84, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF