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ATSAME54N20A-AUT

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentsingle chip microcomputer-microcontrolleratsame54n20a-autfactory-2.0.0extractor-text

Verified ATSAME54N20A-AUT

by Ray · last 30 Oct 2026 · 1 record · files match
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Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 100 pinsfiles match
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  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAME54N20A-AUT · TQFP-100(14x14) · 100 pins
  • ✓copper: 100 copper pads, none touching another net
  • ✓datasheet: all 100 pin names found in the 1934-page datasheet
  • ✓distributor: lcsc C618689, digikey ATSAME54N20A-AUTTR-ND, mouser 556-ATSAME54N20AAUT
  • ✓family: TQFP-100_14x14mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-weint1a0/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: 100 pins = 100 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 100 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsame54n20a-aut.kicad_sym✓ atsame54n20a-aut.kicad_mod✓ atsame54n20a-aut.step
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Contents

README

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ATSAME54N20A-AUT

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-100(14x14)

ATSAME54N20A-AUT from Microchip Tech, in a TQFP-100(14x14). 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 PA00 with EXTINT[0], SERCOM1/PAD[0], TC2/WO[0]; also the XIN32 pin of the 32 kHz crystal oscillator (XOSC32K).
2 PA01 bidirectional General-purpose I/O PA01 with EXTINT[1], SERCOM1/PAD[1], TC2/WO[1]; also the XOUT32 pin of the 32 kHz crystal oscillator (XOSC32K).
3 PC00 bidirectional General-purpose I/O PC00 with EXTINT[0] and ADC1/AIN[10]; must be held static to guarantee XOSC32K crystal-mode behavior.
4 PC01 bidirectional General-purpose I/O PC01 with EXTINT[1] and ADC1/AIN[11].
5 PC02 bidirectional General-purpose I/O PC02 with EXTINT[2] and ADC1/AIN[4].
6 PC03 bidirectional General-purpose I/O PC03 with EXTINT[3] and ADC1/AIN[5].
7 PA02 bidirectional General-purpose I/O PA02 with EXTINT[2], ADC0/AIN[0] and DAC/VOUT[0].
8 PA03 bidirectional General-purpose I/O PA03 with EXTINT[3], ANAREF/VREFA external reference and ADC0/AIN[1].
9 PB04 bidirectional General-purpose I/O PB04 with EXTINT[4] and ADC1/AIN[6].
10 PB05 bidirectional General-purpose I/O PB05 with EXTINT[5] and ADC1/AIN[7].
11 GNDANA power_in Analog ground.
12 VDDANA power_in Analog supply.
13 PB06 bidirectional General-purpose I/O PB06 with EXTINT[6], ADC1/AIN[8] and CCL/IN[6].
14 PB07 bidirectional General-purpose I/O PB07 with EXTINT[7], ADC1/AIN[9] and CCL/IN[7].
15 PB08 bidirectional General-purpose I/O PB08 with EXTINT[8], ADC0/AIN[2], ADC1/AIN[0], SERCOM4/PAD[0], TC4/WO[0].
16 PB09 bidirectional General-purpose I/O PB09 with EXTINT[9], ADC0/AIN[3], ADC1/AIN[1], SERCOM4/PAD[1], TC4/WO[1].
17 PA04 bidirectional General-purpose I/O PA04 with EXTINT[4], ANAREF/VREFB, ADC0/AIN[4], AC/AIN[0], SERCOM0/PAD[0].
18 PA05 bidirectional General-purpose I/O PA05 with EXTINT[5], ADC0/AIN[5], AC/AIN[1], DAC/VOUT[1], SERCOM0/PAD[1].
19 PA06 bidirectional General-purpose I/O PA06 with EXTINT[6], ANAREF/VREFC, ADC0/AIN[6], AC/AIN[2], SERCOM0/PAD[2].
20 PA07 bidirectional General-purpose I/O PA07 with EXTINT[7], ADC0/AIN[7], AC/AIN[3], SERCOM0/PAD[3].
21 PC05 bidirectional General-purpose I/O PC05 with EXTINT[5].
22 PC06 bidirectional General-purpose I/O PC06 with EXTINT[6] and SDHC0/SDCD.
23 PC07 bidirectional General-purpose I/O PC07 with EXTINT[9] and SDHC0/SDWP.
24 GND power_in Ground.
25 VDDIOB power_in I/O supply for the VDDIOB pin cluster (PA08 to PA11 I/O).
26 PA08 bidirectional High-sink general-purpose I/O PA08 with NMI, ADC0/AIN[8], ADC1/AIN[2], QSPI/DATA[0], SDHC0/SDCMD; I2C-capable pin on VDDIOB.
27 PA09 bidirectional High-sink general-purpose I/O PA09 with EXTINT[9], ADC0/AIN[9], ADC1/AIN[3], QSPI/DATA[1], SDHC0/SDDAT[0]; I2C-capable pin on VDDIOB.
28 PA10 bidirectional General-purpose I/O PA10 with EXTINT[10], ADC0/AIN[10], QSPI/DATA[2], SDHC0/SDDAT[1], GCLK/IO[4].
29 PA11 bidirectional General-purpose I/O PA11 with EXTINT[11], ADC0/AIN[11], QSPI/DATA[3], SDHC0/SDDAT[2], GCLK/IO[5].
30 VDDIOB power_in I/O supply for the VDDIOB pin cluster.
31 GND power_in Ground.
32 PB10 bidirectional General-purpose I/O PB10 with EXTINT[10], QSPI/SCK, SDHC0/SDDAT[3], GCLK/IO[4].
33 PB11 bidirectional General-purpose I/O PB11 with EXTINT[11], QSPI/CS, SDHC0/SDCK, GCLK/IO[5].
34 PB12 bidirectional General-purpose I/O PB12 with EXTINT[12], CAN1/TX, SDHC0/SDCD, GCLK/IO[6].
35 PB13 bidirectional General-purpose I/O PB13 with EXTINT[13], CAN1/RX, SDHC0/SDWP, GCLK/IO[7].
36 PB14 bidirectional General-purpose I/O PB14 with EXTINT[14], CAN1/TX, GMAC/GMDC, GCLK/IO[0].
37 PB15 bidirectional General-purpose I/O PB15 with EXTINT[15], CAN1/RX, GMAC/GMDIO, GCLK/IO[1].
38 GND power_in Ground.
39 VDDIO power_in I/O supply.
40 PC10 bidirectional General-purpose I/O PC10 with EXTINT[10], SERCOM6/PAD[2], SERCOM7/PAD[2], TCC0/WO[0].
41 PC11 bidirectional General-purpose I/O PC11 with EXTINT[11], SERCOM6/PAD[3], SERCOM7/PAD[3], GMAC/GMDC.
42 PC12 bidirectional General-purpose I/O PC12 (PORT group C).
43 PC13 bidirectional General-purpose I/O PC13 (PORT group C).
44 PC14 bidirectional General-purpose I/O PC14 (PORT group C).
45 PC15 bidirectional General-purpose I/O PC15 (PORT group C).
46 PA12 bidirectional High-sink general-purpose I/O PA12; I2C-capable pin on VDDIO.
47 PA13 bidirectional High-sink general-purpose I/O PA13; I2C-capable pin on VDDIO.
48 PA14 bidirectional General-purpose I/O PA14; also XIN of oscillator XOSC0 (VDDIO supplied).
49 PA15 bidirectional General-purpose I/O PA15; also XOUT of oscillator XOSC0 (VDDIO supplied).
50 GND power_in Ground.
51 VDDIO power_in I/O supply.
52 PA16 bidirectional High-sink general-purpose I/O PA16; I2C-capable pin on VDDIO.
53 PA17 bidirectional High-sink general-purpose I/O PA17; I2C-capable pin on VDDIO.
54 PA18 bidirectional General-purpose I/O PA18 (PORT group A).
55 PA19 bidirectional General-purpose I/O PA19 (PORT group A).
56 PC16 bidirectional General-purpose I/O PC16 (PORT group C).
57 PC17 bidirectional General-purpose I/O PC17 (PORT group C).
58 PC18 bidirectional General-purpose I/O PC18 (PORT group C).
59 PC19 bidirectional General-purpose I/O PC19 (PORT group C).
60 PC20 bidirectional General-purpose I/O PC20 (PORT group C).
61 PC21 bidirectional General-purpose I/O PC21 (PORT group C).
62 GND power_in Ground.
63 VDDIO power_in I/O supply.
64 PB16 bidirectional General-purpose I/O PB16 (PORT group B).
65 PB17 bidirectional General-purpose I/O PB17 (PORT group B).
66 PB18 bidirectional General-purpose I/O PB18 (PORT group B).
67 PB19 bidirectional General-purpose I/O PB19 (PORT group B).
68 PB20 bidirectional General-purpose I/O PB20 with EXTINT[4], SERCOM3/PAD[0], SERCOM7/PAD[1], SDHC1/SDDAT[2], GCLK/IO[6].
69 PB21 bidirectional General-purpose I/O PB21 with EXTINT[5], SERCOM3/PAD[1], SERCOM7/PAD[0], SDHC1/SDDAT[3], GCLK/IO[7].
70 PA20 bidirectional General-purpose I/O PA20 with EXTINT[4], SERCOM5/PAD[2], SERCOM3/PAD[2], SDHC1/SDCMD, GMAC/GMDC.
71 PA21 bidirectional General-purpose I/O PA21 with EXTINT[5], SERCOM5/PAD[3], SERCOM3/PAD[3], SDHC1/SDCK, GMAC/GMDIO.
72 PA22 bidirectional High-sink general-purpose I/O PA22 with EXTINT[6], SERCOM3/PAD[0], CAN0/TX, CCL/IN[6]; I2C-capable pin on VDDIO.
73 PA23 bidirectional High-sink general-purpose I/O PA23 with EXTINT[7], SERCOM3/PAD[1], USB/SOF_1KHZ, CAN0/RX, CCL/IN[7]; I2C-capable pin on VDDIO.
74 PA24 bidirectional General-purpose I/O PA24 with EXTINT[8], USB/DM, CAN0/TX, CCL/IN[8].
75 PA25 bidirectional General-purpose I/O PA25 with EXTINT[9], USB/DP, CAN0/RX, CCL/OUT[2].
76 GND power_in Ground.
77 VDDIO power_in I/O supply.
78 PB22 bidirectional General-purpose I/O PB22 with EXTINT[6], USB/SOF_1KHZ, GCLK/IO[0], CCL/IN[0]; also XIN of oscillator XOSC1.
79 PB23 bidirectional General-purpose I/O PB23 with EXTINT[7], GCLK/IO[1], CCL/OUT[0]; also XOUT of oscillator XOSC1.
80 PB24 bidirectional General-purpose I/O PB24 with EXTINT[8], SERCOM0/PAD[0], AC/CMP[0].
81 PB25 bidirectional General-purpose I/O PB25 with EXTINT[9], SERCOM0/PAD[1], AC/CMP[1].
82 PC24 bidirectional General-purpose I/O PC24 with EXTINT[8], SERCOM0/PAD[2] and TRACEDATA[3].
83 PC25 bidirectional General-purpose I/O PC25 with EXTINT[9], SERCOM0/PAD[3] and TRACEDATA[2].
84 PC26 bidirectional General-purpose I/O PC26 with EXTINT[10] and TRACEDATA[1].
85 PC27 bidirectional General-purpose I/O PC27 with EXTINT[11], TRACECLK, SWO in single-wire debug mode, CCL/IN[4].
86 PC28 bidirectional General-purpose I/O PC28 with EXTINT[12], TRACEDATA[0], CCL/IN[5].
87 PA27 bidirectional General-purpose I/O PA27 with EXTINT[11] and GCLK/IO[1].
88 RESETN input Active-low external reset input.
89 VDDCORE power_in Regulated core supply pin.
90 GND power_in Ground.
91 VSW passive Switching regulator (buck) output pin.
92 VDDIO power_in I/O supply.
93 PA30 bidirectional General-purpose I/O PA30 with EXTINT[14]; carries SWCLK for serial wire debug.
94 PA31 bidirectional General-purpose I/O PA31 with EXTINT[15]; carries SWDIO for serial wire debug.
95 PB30 bidirectional General-purpose I/O PB30 with EXTINT[14]; provides SWO in debug modes other than single-wire trace.
96 PB31 bidirectional General-purpose I/O PB31 with EXTINT[15], SERCOM7/PAD[1], TC0/WO[1], TCC4/WO[1].
97 PB00 bidirectional General-purpose I/O PB00 with EXTINT[0], ADC0/AIN[12], CCL/IN[1].
98 PB01 bidirectional General-purpose I/O PB01 with EXTINT[1], ADC0/AIN[13], CCL/IN[2].
99 PB02 bidirectional General-purpose I/O PB02 with EXTINT[2], ADC0/AIN[14], CCL/OUT[0].
100 PB03 bidirectional General-purpose I/O PB03 with EXTINT[3], ADC0/AIN[15], SERCOM5/PAD[1], TC6/WO[1].

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-100(14x14)
Category Single Chip Microcomputer/Microcontroller
Pins 100

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 supply voltage VDD 1.71 3.63 V -40°C to +85°C, DC to 120 MHz 1
Operating temperature (U grade) -40 85 °C U = -40°C to +85°C Industrial 19
VDDIOB voltage VDDIOB 1.71 3.63 V must be equal or lower than VDDIO 46
VBAT voltage VBAT 1.71 3.63 V 46
VDDCORE voltage VDDCORE 1.2 V 1.2V typical 46

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
housing pet nu1RBase nu1 I Crypto RAM u2RLength Base of R Base of R value filled repetitively with u4FillValue 1316
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. 1697

CAD (KiCad official)

  • Symbol: ATSAME54N20A-AUT
  • Footprint: Package_QFP:TQFP-100_14x14mm_P0.5mm
  • 3D model: TQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: atsame54n20a-aut-etched.step / atsame54n20a-aut-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsame54n20a-aut.step / atsame54n20a-aut.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (1934 pp, sha256 6f02ccc3e69325ab, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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