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ATSAMD20J16B-AU

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Microchip Tech Pre-ordered MCUs, TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatsamd20j16b-aufactory-2.0.0extractor-text

Verified ATSAMD20J16B-AU

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 64 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAMD20J16B-AU · TQFP-64(10x10) · 64 pins
  • ✓copper: 64 copper pads, none touching another net
  • ✓datasheet: all 64 pin names found in the 51-page datasheet
  • ✓distributor: lcsc C1339075, digikey ATSAMD20J16B-AU-ND, mouser 556-ATSAMD20J16B-AU
  • ✓family: TQFP-64_10x10mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-xjq_zjis/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: 64 pins = 64 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 64 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsamd20j16b-au.kicad_sym✓ atsamd20j16b-au.kicad_mod✓ atsamd20j16b-au.step
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ATSAMD20J16B-AU

Microchip Tech · Pre-ordered MCUs · TQFP-64(10x10)

ATSAMD20J16B-AU from Microchip Tech, in a TQFP-64(10x10). 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 Digital I/O pin PA00 (port A, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract.
2 PA01 bidirectional Digital I/O pin PA01 (port A, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract.
3 PA02 bidirectional Digital I/O pin PA02 (port A, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract.
4 PA03 bidirectional Digital I/O pin PA03 (port A, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract.
5 PB04 bidirectional Digital I/O pin PB04 (port B, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract.
6 PB05 bidirectional Digital I/O pin PB05 (port B, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract.
7 GNDANA power_in Analog ground pin, as named in the pinout.
8 VDDANA power_in Analog supply pin, as named in the pinout.
9 PB06 bidirectional Digital I/O pin PB06 (port B, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract.
10 PB07 bidirectional Digital I/O pin PB07 (port B, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract.
11 PB08 bidirectional Digital I/O pin PB08 (port B, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract.
12 PB09 bidirectional Digital I/O pin PB09 (port B, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract.
13 PA04 bidirectional Digital I/O pin PA04 (port A, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract.
14 PA05 bidirectional Digital I/O pin PA05 (port A, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract.
15 PA06 bidirectional Digital I/O pin PA06 (port A, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract.
16 PA07 bidirectional Digital I/O pin PA07 (port A, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract.
17 PA08 bidirectional Digital I/O pin PA08 (port A, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract.
18 PA09 bidirectional Digital I/O pin PA09 (port A, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract.
19 PA10 bidirectional Digital I/O pin PA10 (port A, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract.
20 PA11 bidirectional Digital I/O pin PA11 (port A, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract.
21 VDDIO power_in I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V.
22 GND power_in Ground reference pin.
23 PB10 bidirectional Digital I/O pin PB10 (port B, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract.
24 PB11 bidirectional Digital I/O pin PB11 (port B, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract.
25 PB12 bidirectional Digital I/O pin PB12 (port B, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract.
26 PB13 bidirectional Digital I/O pin PB13 (port B, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract.
27 PB14 bidirectional Digital I/O pin PB14 (port B, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract.
28 PB15 bidirectional Digital I/O pin PB15 (port B, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract.
29 PA12 bidirectional Digital I/O pin PA12 (port A, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract.
30 PA13 bidirectional Digital I/O pin PA13 (port A, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract.
31 PA14 bidirectional Digital I/O pin PA14 (port A, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract.
32 PA15 bidirectional Digital I/O pin PA15 (port A, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract.
33 GND power_in Ground reference pin.
34 VDDIO power_in I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V.
35 PA16 bidirectional Digital I/O pin PA16 (port A, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract.
36 PA17 bidirectional Digital I/O pin PA17 (port A, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract.
37 PA18 bidirectional Digital I/O pin PA18 (port A, bit 18) per the pinout legend; alternate peripheral functions are not given in this extract.
38 PA19 bidirectional Digital I/O pin PA19 (port A, bit 19) per the pinout legend; alternate peripheral functions are not given in this extract.
39 PB16 bidirectional Digital I/O pin PB16 (port B, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract.
40 PB17 bidirectional Digital I/O pin PB17 (port B, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract.
41 PA20 bidirectional Digital I/O pin PA20 (port A, bit 20) per the pinout legend; alternate peripheral functions are not given in this extract.
42 PA21 bidirectional Digital I/O pin PA21 (port A, bit 21) per the pinout legend; alternate peripheral functions are not given in this extract.
43 PA22 bidirectional Digital I/O pin PA22 (port A, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract.
44 PA23 bidirectional Digital I/O pin PA23 (port A, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract.
45 PA24 bidirectional Digital I/O pin PA24 (port A, bit 24) per the pinout legend; alternate peripheral functions are not given in this extract.
46 PA25 bidirectional Digital I/O pin PA25 (port A, bit 25) per the pinout legend; alternate peripheral functions are not given in this extract.
47 GND power_in Ground reference pin.
48 VDDIO power_in I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V.
49 PB22 bidirectional Digital I/O pin PB22 (port B, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract.
50 PB23 bidirectional Digital I/O pin PB23 (port B, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract.
51 PA27 bidirectional Digital I/O pin PA27 (port A, bit 27) per the pinout legend; alternate peripheral functions are not given in this extract.
52 RESET input Reset pin per the pinout legend; polarity and threshold levels are not given in this extract.
53 PA28 bidirectional Digital I/O pin PA28 (port A, bit 28) per the pinout legend; alternate peripheral functions are not given in this extract.
54 GND power_in Ground reference pin.
55 VDDCORE power_out Regulated core supply output pin, as identified in the pinout legend.
56 VDDIN power_in Input supply pin, as identified in the pinout legend.
57 PA30 bidirectional Digital I/O pin PA30 (port A, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract.
58 PA31 bidirectional Digital I/O pin PA31 (port A, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract.
59 PB30 bidirectional Digital I/O pin PB30 (port B, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract.
60 PB31 bidirectional Digital I/O pin PB31 (port B, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract.
61 PB00 bidirectional Digital I/O pin PB00 (port B, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract.
62 PB01 bidirectional Digital I/O pin PB01 (port B, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract.
63 PB02 bidirectional Digital I/O pin PB02 (port B, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract.
64 PB03 bidirectional Digital I/O pin PB03 (port B, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

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
Maximum CPU frequency 48 MHz 5
Operating temperature (package grade U, -40 to 85 °C) -40 85 °C Package grade U per ordering code key 6
Thermal resistance, junction-to-ambient θJA 66.7 °C/W 64-pin TQFP 39
Thermal resistance, junction-to-case θJC 11.9 °C/W 64-pin TQFP 39

CAD (KiCad official)

  • Symbol: ATSAMD20J16B-AU
  • Footprint: Package_QFP:TQFP-64_10x10mm_P0.5mm
  • 3D model: TQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: atsamd20j16b-au-etched.step / atsamd20j16b-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsamd20j16b-au.step / atsamd20j16b-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 03b7f8fe8b9074bd, retrieved 2026-10-30, 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