component

ATSAMD21G17D-AUT

Public Made by Adom

by adom

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

componentsingle chip microcomputer-microcontrolleratsamd21g17d-autfactory-2.0.0extractor-text

Verified ATSAMD21G17D-AUT

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, 48 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAMD21G17D-AUT · TQFP-48(7x7) · 48 pins
  • ✓copper: 48 copper pads, none touching another net
  • ✓datasheet: all 48 pin names found in the 1115-page datasheet
  • ✓distributor: lcsc C2053430, digikey ATSAMD21G17D-AUTTR-ND, mouser 556-ATSAMD21G17D-AUT
  • ✓family: TQFP-48_7x7mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-nd6fnb7j/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✓ atsamd21g17d-aut.kicad_sym✓ atsamd21g17d-aut.kicad_mod✓ atsamd21g17d-aut.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 5d ago
viewers atsamd21g17d-aut: viewers · Ray 5d ago
atsamd21g17d-aut-etched.glb Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut-etched.step atsamd21g17d-aut: factory component page (tier=mfr) · Ray 5d ago
atsamd21g17d-aut-hero.glb atsamd21g17d-aut: hero GLB from the etched model (keeps the MPN mark) · Ray 5d ago
atsamd21g17d-aut-hero.overlay.json Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut.glb Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut.kicad_mod Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut.kicad_sym Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut.lbr Publish 0.1.0 · Ray 5d ago
atsamd21g17d-aut.step Publish 0.1.0 · Ray 5d ago
package.json Publish 0.1.0 · Ray 5d ago
page.json Set visibility: public · Ray 5d ago
README.md Publish 0.1.0 · Ray 5d ago
verification.json Verified: Published by the parts factory: tier mfr, 48 pins · Ray 5d ago

ATSAMD21G17D-AUT

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-48(7x7)

ATSAMD21G17D-AUT 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 General-purpose I/O on the VDDANA domain with alternate functions EXTINT[0], SERCOM1/PAD[0] and TCC2/WO[0], and XIN32 (32 kHz crystal input) when XOSC32K is used.
2 PA01 bidirectional General-purpose I/O on the VDDANA domain with alternate functions EXTINT[1], SERCOM1/PAD[1] and TCC2/WO[1], and XOUT32 (32 kHz crystal output) when XOSC32K is used.
3 PA02 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[0] and Y[0] and DAC output VOUT, which require peripheral function B to disable digital control of the pin, plus EXTINT[2] and TCC3/WO[0].
4 PA03 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[1] and Y[1], ADC/DAC external reference VREFA, plus EXTINT[3] and TCC3/WO[1]; analog functions require peripheral function B.
5 GNDANA power_in Ground for the analog power domain (VDDANA).
6 VDDANA power_in Analog supply voltage, 1.62 V to 3.63 V, to be decoupled with 100 nF and 10 µF capacitors close to the device.
7 PB08 bidirectional General-purpose I/O on the VDDANA domain with alternate functions EXTINT[8], AIN[2], Y[14], SERCOM4/PAD[0], TC4/WO[0] and TCC3/WO[6].
8 PB09 bidirectional General-purpose I/O on the VDDANA domain with alternate functions EXTINT[9], AIN[3], Y[15], SERCOM4/PAD[1], TC4/WO[1] and TCC3/WO[7].
9 PA04 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[4], AIN[0] and Y[2], ADC external reference VREFB, plus EXTINT[4], SERCOM0/PAD[0], TCC0/WO[0] and TCC3/WO[2].
10 PA05 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[5], AIN[1] and Y[3], plus EXTINT[5], SERCOM0/PAD[1], TCC0/WO[1] and TCC3/WO[3].
11 PA06 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[6], AIN[2] and Y[4], plus EXTINT[6], SERCOM0/PAD[2], TCC1/WO[0] and TCC3/WO[4].
12 PA07 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[7], AIN[3] and Y[5], plus EXTINT[7], SERCOM0/PAD[3], TCC1/WO[1] and TCC3/WO[5].
13 PA08 bidirectional General-purpose I/O on the VDDIO domain with alternate functions NMI, AIN[16], X[0], SERCOM0/PAD[0], SERCOM2/PAD[0], TCC0/WO[0] and TCC1/WO[2]; supports SERCOM I2C Hs mode.
14 PA09 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[9], AIN[17], X[1], SERCOM0/PAD[1], SERCOM2/PAD[1], TCC0/WO[1] and TCC1/WO[3]; supports SERCOM I2C Hs mode.
15 PA10 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[10], AIN[18], X[2], SERCOM0/PAD[2], SERCOM2/PAD[2], TCC1/WO[0], TCC0/WO[2] and GCLK_IO[4].
16 PA11 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[11], AIN[19], X[3], SERCOM0/PAD[3], SERCOM2/PAD[3], TCC1/WO[1], TCC0/WO[3] and GCLK_IO[5].
17 VDDIO power_in Digital supply voltage, 1.62 V to 3.63 V, decoupled with 100 nF and 10 µF capacitors close to the device.
18 GND power_in Digital ground.
19 PB10 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[10], SERCOM4/PAD[2], TC5/WO[0], TCC0/WO[4], I2S/MCK[1] and GCLK_IO[4].
20 PB11 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[11], SERCOM4/PAD[3], TC5/WO[1], TCC0/WO[5], I2S/SCK[1] and GCLK_IO[5].
21 PA12 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[12], SERCOM2/PAD[0], SERCOM4/PAD[0], TCC2/WO[0], TCC0/WO[6] and AC/CMP[0]; supports SERCOM I2C Hs mode.
22 PA13 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[13], SERCOM2/PAD[1], SERCOM4/PAD[1], TCC2/WO[1], TCC0/WO[7] and AC/CMP[1]; supports SERCOM I2C Hs mode.
23 PA14 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[14], SERCOM2/PAD[2], SERCOM4/PAD[2], TC3/WO[0], TCC0/WO[4] and GCLK_IO[0], and XIN (crystal/external clock input) when XOSC is used.
24 PA15 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[15], SERCOM2/PAD[3], SERCOM4/PAD[3], TC3/WO[1], TCC0/WO[5] and GCLK_IO[1], and XOUT (crystal output) when XOSC is used.
25 PA16 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[0], X[4], SERCOM1/PAD[0], SERCOM3/PAD[0], TCC2/WO[0], TCC0/WO[6] and GCLK_IO[2]; supports SERCOM I2C Hs mode.
26 PA17 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[1], X[5], SERCOM1/PAD[1], SERCOM3/PAD[1], TCC2/WO[1], TCC0/WO[7] and GCLK_IO[3]; supports SERCOM I2C Hs mode.
27 PA18 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[2], X[6], SERCOM1/PAD[2], SERCOM3/PAD[2], TC3/WO[0], TCC0/WO[2] and AC/CMP[0].
28 PA19 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[3], X[7], SERCOM1/PAD[3], SERCOM3/PAD[3], TC3/WO[1], TCC0/WO[3] and AC/CMP[1].
29 PA20 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[4], X[8], SERCOM5/PAD[2], SERCOM3/PAD[2], TCC0/WO[6], I2S/SCK[0] and GCLK_IO[4].
30 PA21 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[5], X[9], SERCOM5/PAD[3], SERCOM3/PAD[3], TCC0/WO[7], I2S/FS[0] and GCLK_IO[5].
31 PA22 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[6], X[10], SERCOM3/PAD[0], SERCOM5/PAD[0], TC4/WO[0], TCC0/WO[4] and GCLK_IO[6]; supports SERCOM I2C Hs mode.
32 PA23 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[7], X[11], SERCOM3/PAD[1], SERCOM5/PAD[1], TC4/WO[1], TCC0/WO[5], USB SOF 1kHz and GCLK_IO[7]; supports SERCOM I2C Hs mode.
33 PA24 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[12], SERCOM3/PAD[2], SERCOM5/PAD[2], TC5/WO[0], TCC1/WO[2] and USB DM; if the pin is unconnected, a pull-up via input GPIO mode is recommended to avoid up to 1 mA of extra consumption.
34 PA25 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[13], SERCOM3/PAD[3], SERCOM5/PAD[3], TC5/WO[1], TCC1/WO[3] and USB DP; if the pin is unconnected, a pull-up via input GPIO mode is recommended to avoid up to 1 mA of extra consumption.
35 GND power_in Digital ground.
36 VDDIO power_in Digital supply voltage, 1.62 V to 3.63 V, decoupled with 100 nF and 10 µF capacitors close to the device.
37 PB22 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[6], SERCOM5/PAD[2], TCC3/WO[0] and GCLK_IO[0].
38 PB23 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[7], SERCOM5/PAD[3], TCC3/WO[1] and GCLK_IO[1].
39 PA27 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[15], TCC3/WO[6] and GCLK_IO[0].
40 RESET input External active-low reset input with an internal pull-up; the low-level threshold is below 0.36 × VDDIO at 2.7 V to 3.6 V and below 0.33 × VDDIO at 1.6 V to 2.0 V.
41 PA28 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[8], TCC3/WO[7] and GCLK_IO[0].
42 GND power_in Digital ground.
43 VDDCORE power_out Core supply output of the internal voltage regulator, 1.6 V to 1.8 V, with a 1 µF decoupling capacitor close to the pin.
44 VDDIN power_in Input supply to the internal voltage regulator that generates VDDCORE; the device supports a single supply of 1.62 V to 3.63 V.
45 PA30 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], TCC3/WO[4] and GCLK_IO[0], and SWCLK (Serial Wire Debug clock).
46 PA31 bidirectional General-purpose I/O on the VDDIO domain with alternate functions EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1] and TCC3/WO[5], and SWDIO (Serial Wire Debug data, activated only when a debugger is present).
47 PB02 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[10] and Y[8], plus EXTINT[2], SERCOM5/PAD[0] and TCC3/WO[2].
48 PB03 bidirectional General-purpose I/O on the VDDANA domain with analog functions AIN[11] and Y[9], plus EXTINT[3], SERCOM5/PAD[1] and TCC3/WO[3].

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-48(7x7)
Category Single Chip Microcomputer/Microcontroller
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 (common supply VDD) VDD 1.62 3.63 V SAM D21 operating voltage (feature list); same voltage on VDDIN, VDDIO and VDDANA 2
VDDIO supply voltage VDDIO 1.62 3.63 V Powers I/O lines, OSC8M and XOSC 36
VDDIN supply voltage VDDIN 1.62 3.63 V Powers I/O lines and the internal regulator 36
VDDANA supply voltage VDDANA 1.62 3.63 V Powers I/O lines, ADC, AC, DAC, PTC, OSCULP32K, OSC32K, XOSC32K 36
Operating temperature range (grade U, -40 to 85 °C) -40 85 °C Package grade U ordering code (-40 - 85°C Matte Sn plating) 17

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the self-capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor. 860

CAD (KiCad official)

  • Symbol: ATSAMD21G17D-AUT
  • Footprint: Package_QFP:TQFP-48_7x7mm_P0.5mm
  • 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: atsamd21g17d-aut-etched.step / atsamd21g17d-aut-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsamd21g17d-aut.step / atsamd21g17d-aut.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (1115 pp, sha256 f8ee53b6c6fc1efe, 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