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ATSAME53N20A-AU

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

componentembedded processors & controllersatsame53n20a-aufactory-2.0.0extractor-text

Verified ATSAME53N20A-AU

by Ray · last 10 Nov 2026 · 1 record · files match
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Verification log 1 record

10 Nov 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: ATSAME53N20A-AU · 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 C1338453, digikey ATSAME53N20A-AU-ND, mouser 556-ATSAME53N20AAU
  • ✓family: TQFP-100_14x14mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-uz1tqzrh/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
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 108 kB, viewers/symbol.html 61 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsame53n20a-au.kicad_sym✓ atsame53n20a-au.kicad_mod✓ atsame53n20a-au.step
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Contents

README

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ATSAME53N20A-AU

Microchip Tech · Pre-ordered MCUs · TQFP-100(14x14)

ATSAME53N20A-AU 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 XIN32 for the 32 kHz crystal oscillator.
2 PA01 bidirectional General-purpose I/O PA01 with EXTINT[1], SERCOM1 PAD[1], TC2 WO[1]; also XOUT32 for the 32 kHz crystal oscillator.
3 PC00 bidirectional General-purpose I/O PC00 with EXTINT[0] and ADC1 AIN[10]; must be static for XOSC32K crystal mode.
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], VREFA analog reference, ADC0 AIN[1] and PTC X0/Y0.
9 PB04 bidirectional General-purpose I/O PB04 with EXTINT[4], ADC1 AIN[6] and PTC X22/Y22.
10 PB05 bidirectional General-purpose I/O PB05 with EXTINT[5], ADC1 AIN[7] and PTC X23/Y23.
11 GNDANA power_in Ground for the analog supply domain.
12 VDDANA power_in Analog supply pin.
13 PB06 bidirectional General-purpose I/O PB06 with EXTINT[6], ADC1 AIN[8], PTC X24/Y24 and CCL IN[6].
14 PB07 bidirectional General-purpose I/O PB07 with EXTINT[7], ADC1 AIN[9], PTC X25/Y25 and CCL IN[7].
15 PB08 bidirectional General-purpose I/O PB08 with EXTINT[8], ADC0 AIN[2], ADC1 AIN[0], PTC X1/Y1, SERCOM4 PAD[0], TC4 WO[0].
16 PB09 bidirectional General-purpose I/O PB09 with EXTINT[9], ADC0 AIN[3], ADC1 AIN[1], PTC X2/Y2, SERCOM4 PAD[1], TC4 WO[1].
17 PA04 bidirectional General-purpose I/O PA04 with EXTINT[4], VREFB analog reference, ADC0 AIN[4], AC AIN[0], SERCOM0 PAD[0], TC0 WO[0].
18 PA05 bidirectional General-purpose I/O PA05 with EXTINT[5], ADC0 AIN[5], AC AIN[1], DAC VOUT[1], SERCOM0 PAD[1], TC0 WO[1].
19 PA06 bidirectional General-purpose I/O PA06 with EXTINT[6], VREFC analog reference, ADC0 AIN[6], AC AIN[2], SERCOM0 PAD[2], TC1 WO[0].
20 PA07 bidirectional General-purpose I/O PA07 with EXTINT[7], ADC0 AIN[7], AC AIN[3], SERCOM0 PAD[3], TC1 WO[1].
21 PC05 bidirectional General-purpose I/O PC05 with EXTINT[5] and SERCOM6 PAD[1].
22 PC06 bidirectional General-purpose I/O PC06 with EXTINT[6], SERCOM6 PAD[2] and SDHC0 SDCD.
23 PC07 bidirectional General-purpose I/O PC07 with EXTINT[9], SERCOM6 PAD[3] and SDHC0 SDWP.
24 GND power_in Ground.
25 VDDIOB power_in I/O supply for the PA08-PA11 pin cluster.
26 PA08 bidirectional High-sink general-purpose I/O PA08 with NMI, ADC0 AIN[8], ADC1 AIN[2], SERCOM0/2 PAD, TC0 WO[0], TCC0/1, QSPI DATA[0], SDHC0 SDCMD; I2C capable.
27 PA09 bidirectional High-sink general-purpose I/O PA09 with EXTINT[9], ADC0 AIN[9], ADC1 AIN[3], SERCOM0/2 PAD, TC0 WO[1], QSPI DATA[1], SDHC0 SDDAT[0]; I2C capable.
28 PA10 bidirectional General-purpose I/O PA10 with EXTINT[10], ADC0 AIN[10], SERCOM0/2 PAD[2], QSPI DATA[2], SDHC0 SDDAT[1], GCLK IO[4].
29 PA11 bidirectional General-purpose I/O PA11 with EXTINT[11], ADC0 AIN[11], SERCOM0/2 PAD[3], QSPI DATA[3], SDHC0 SDDAT[2], GCLK IO[5].
30 VDDIOB power_in I/O supply for the PA08-PA11 pin cluster.
31 GND power_in Ground.
32 PB10 bidirectional General-purpose I/O PB10 with EXTINT[10], SERCOM4 PAD[2], TC5 WO[0], TCC0/1, QSPI SCK, SDHC0 SDDAT[3], GCLK IO[4].
33 PB11 bidirectional General-purpose I/O PB11 with EXTINT[11], SERCOM4 PAD[3], TC5 WO[1], TCC0/1, QSPI CS, SDHC0 SDCK, GCLK IO[5].
34 PB12 bidirectional General-purpose I/O PB12 with EXTINT[12], PTC X26/Y26, SERCOM4 PAD[0], TC4 WO[0], TCC3/TCC0, CAN1 TX, SDHC0 SDCD, GCLK IO[6].
35 PB13 bidirectional General-purpose I/O PB13 with EXTINT[13], PTC X27/Y27, SERCOM4 PAD[1], TC4 WO[1], TCC3/TCC0, CAN1 RX, SDHC0 SDWP, GCLK IO[7].
36 PB14 bidirectional General-purpose I/O PB14 with EXTINT[14], PTC X28/Y28, SERCOM4 PAD[2], TC5 WO[0], TCC4/TCC0, CAN1 TX, PCC DATA[8], GMAC GMDC, GCLK IO[0].
37 PB15 bidirectional General-purpose I/O PB15 with EXTINT[15], PTC X29/Y29, SERCOM4 PAD[3], TC5 WO[1], TCC4/TCC0, CAN1 RX, PCC DATA[9], GMAC GMDIO, GCLK IO[1].
38 GND power_in Ground.
39 VDDIO power_in Digital I/O supply.
40 PC10 bidirectional General-purpose I/O PC10 with EXTINT[10], SERCOM6 PAD[2], SERCOM7 PAD[2], TCC0 WO[0], TCC1 WO[4].
41 PC11 bidirectional General-purpose I/O PC11 with EXTINT[11], SERCOM6 PAD[3], SERCOM7 PAD[3], TCC0 WO[1], TCC1 WO[5], GMAC GMDC.
42 PC12 bidirectional General-purpose I/O PC12 (VDDIO cluster); alternate functions not shown in the provided mux pages.
43 PC13 bidirectional General-purpose I/O PC13 (VDDIO cluster); alternate functions not shown in the provided mux pages.
44 PC14 bidirectional General-purpose I/O PC14 (VDDIO cluster); alternate functions not shown in the provided mux pages.
45 PC15 bidirectional General-purpose I/O PC15 (VDDIO cluster); alternate functions not shown in the provided mux pages.
46 PA12 bidirectional High-sink general-purpose I/O PA12 with I2C support on VDDIO; further functions not shown in the provided mux pages.
47 PA13 bidirectional High-sink general-purpose I/O PA13 with I2C support on VDDIO; further functions not shown in the provided mux pages.
48 PA14 bidirectional General-purpose I/O PA14; also XIN for oscillator XOSC0 (supply VDDIO).
49 PA15 bidirectional General-purpose I/O PA15; also XOUT for oscillator XOSC0 (supply VDDIO).
50 GND power_in Ground.
51 VDDIO power_in Digital I/O supply.
52 PA16 bidirectional High-sink general-purpose I/O PA16 with I2C support on VDDIO; further functions not shown in the provided mux pages.
53 PA17 bidirectional High-sink general-purpose I/O PA17 with I2C support on VDDIO; further functions not shown in the provided mux pages.
54 PA18 bidirectional General-purpose I/O PA18; alternate functions not shown in the provided mux pages.
55 PA19 bidirectional General-purpose I/O PA19; alternate functions not shown in the provided mux pages.
56 PC16 bidirectional General-purpose I/O PC16; alternate functions not shown in the provided mux pages.
57 PC17 bidirectional General-purpose I/O PC17; alternate functions not shown in the provided mux pages.
58 PC18 bidirectional General-purpose I/O PC18; alternate functions not shown in the provided mux pages.
59 PC19 bidirectional General-purpose I/O PC19; alternate functions not shown in the provided mux pages.
60 PC20 bidirectional General-purpose I/O PC20; alternate functions not shown in the provided mux pages.
61 PC21 bidirectional General-purpose I/O PC21; alternate functions not shown in the provided mux pages.
62 GND power_in Ground.
63 VDDIO power_in Digital I/O supply.
64 PB16 bidirectional General-purpose I/O PB16; alternate functions not shown in the provided mux pages.
65 PB17 bidirectional General-purpose I/O PB17; alternate functions not shown in the provided mux pages.
66 PB18 bidirectional General-purpose I/O PB18; alternate functions not shown in the provided mux pages.
67 PB19 bidirectional General-purpose I/O PB19; alternate functions not shown in the provided mux pages.
68 PB20 bidirectional General-purpose I/O PB20 with EXTINT[4], SERCOM3 PAD[0], SERCOM7 PAD[1], TCC1 WO[2], PDEC[2], SDHC1 SDDAT[2], GCLK IO[6].
69 PB21 bidirectional General-purpose I/O PB21 with EXTINT[5], SERCOM3 PAD[1], SERCOM7 PAD[0], TCC1 WO[3], SDHC1 SDDAT[3], GCLK IO[7].
70 PA20 bidirectional General-purpose I/O PA20 with EXTINT[4], PTC X14/Y14, SERCOM5/3 PAD[2], TC7 WO[0], TCC1/TCC0, SDHC1 SDCMD, I2S FS[0], PCC DATA[4], GMAC GMDC.
71 PA21 bidirectional General-purpose I/O PA21 with EXTINT[5], PTC X15/Y15, SERCOM5/3 PAD[3], TC7 WO[1], TCC1/TCC0, SDHC1 SDCK, I2S SDO, PCC DATA[5], GMAC GMDIO.
72 PA22 bidirectional High-sink general-purpose I/O PA22 with EXTINT[6], PTC X16/Y16, SERCOM3/5, TC4 WO[0], TCC1/TCC0, CAN0 TX, I2S SDI, PCC DATA[6], CCL IN[6]; I2C capable.
73 PA23 bidirectional High-sink general-purpose I/O PA23 with EXTINT[7], PTC X17/Y17, SERCOM3/5, TC4 WO[1], TCC1/TCC0, USB SOF 1 kHz, CAN0 RX, I2S FS[1], PCC DATA[7], CCL IN[7]; I2C capable.
74 PA24 bidirectional General-purpose I/O PA24 with EXTINT[8], SERCOM3/5 PAD[2], TC5 WO[0], TCC2 WO[2], PDEC[0], USB DM, CAN0 TX, CCL IN[8].
75 PA25 bidirectional General-purpose I/O PA25 with EXTINT[9], SERCOM3/5 PAD[3], TC5 WO[1], PDEC[1], USB DP, CAN0 RX, CCL OUT[2].
76 GND power_in Ground.
77 VDDIO power_in Digital I/O supply.
78 PB22 bidirectional General-purpose I/O PB22 with EXTINT[6], SERCOM1/5 PAD[2], TC7 WO[0], PDEC[2], USB SOF 1 kHz, GCLK IO[0], CCL IN[0]; also XIN for oscillator XOSC1.
79 PB23 bidirectional General-purpose I/O PB23 with EXTINT[7], SERCOM1/5 PAD[3], TC7 WO[1], PDEC[0], GCLK IO[1], CCL OUT[0]; also XOUT for oscillator XOSC1.
80 PB24 bidirectional General-purpose I/O PB24 with EXTINT[8], SERCOM0 PAD[0], SERCOM2 PAD[1], PDEC[1], AC CMP[0].
81 PB25 bidirectional General-purpose I/O PB25 with EXTINT[9], SERCOM0 PAD[1], SERCOM2 PAD[0], PDEC[2], AC CMP[1].
82 PC24 bidirectional General-purpose I/O PC24 with EXTINT[8], SERCOM0/2 PAD[2] and Cortex-M4 TRACEDATA[3].
83 PC25 bidirectional General-purpose I/O PC25 with EXTINT[9], SERCOM0/2 PAD[3] and Cortex-M4 TRACEDATA[2].
84 PC26 bidirectional General-purpose I/O PC26 with EXTINT[10] and Cortex-M4 TRACEDATA[1].
85 PC27 bidirectional General-purpose I/O PC27 with EXTINT[11], SERCOM1 PAD[0], TRACECLK, SWO in single-wire trace mode, CCL IN[4].
86 PC28 bidirectional General-purpose I/O PC28 with EXTINT[12], SERCOM1 PAD[1], TRACEDATA[0], CCL IN[5].
87 PA27 bidirectional General-purpose I/O PA27 with EXTINT[11], PTC X18/Y18 and GCLK IO[1].
88 RESETN input Active-low external reset input.
89 VDDCORE passive Regulated core supply pin (regulated input/output supply).
90 GND power_in Ground.
91 VSW power_out Switching node of the embedded buck regulator.
92 VDDIO power_in Digital I/O supply.
93 PA30 bidirectional General-purpose I/O PA30 with EXTINT[14]; SWCLK serial wire debug clock; PTC X19/Y19, SERCOM7/1 PAD[2], TC6 WO[0], TCC2 WO[0], GCLK IO[0], CCL IN[3].
94 PA31 bidirectional General-purpose I/O PA31 with EXTINT[15]; SWDIO serial wire debug data; SERCOM7/1 PAD[3], TC6 WO[1], TCC2 WO[1], CCL OUT[1].
95 PB30 bidirectional General-purpose I/O PB30 with EXTINT[14], SERCOM7 PAD[0], SERCOM5 PAD[1], TC0 WO[0], TCC4/TCC0, SWO trace output.
96 PB31 bidirectional General-purpose I/O PB31 with EXTINT[15], SERCOM7 PAD[1], SERCOM5 PAD[0], TC0 WO[1], TCC4 WO[1], TCC0 WO[7].
97 PB00 bidirectional General-purpose I/O PB00 with EXTINT[0], ADC0 AIN[12], PTC X30/Y30, SERCOM5 PAD[2], TC7 WO[0], CCL IN[1]; RTC tamper IN0.
98 PB01 bidirectional General-purpose I/O PB01 with EXTINT[1], ADC0 AIN[13], PTC X31/Y31, SERCOM5 PAD[3], TC7 WO[1], CCL IN[2]; SUPC OUT0, RTC OUT.
99 PB02 bidirectional General-purpose I/O PB02 with EXTINT[2], ADC0 AIN[14], PTC X20/Y20, SERCOM5 PAD[0], TC6 WO[0], TCC2 WO[2], CCL OUT[0]; SUPC OUT1, RTC tamper IN1.
100 PB03 bidirectional General-purpose I/O PB03 with EXTINT[3], ADC0 AIN[15], PTC X21/Y21, SERCOM5 PAD[1], TC6 WO[1].

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-100(14x14)
Category Embedded Processors & Controllers
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 -40 85 °C 1.71V to 3.63V, DC to 120 MHz 1
Core clock frequency (max) 120 MHz -40°C to +85°C, 1.71V to 3.63V 1
I/O supply voltage VDDIO VDDIO 1.71 3.63 V 46
I/O B supply voltage VDDIOB VDDIOB 1.71 3.63 V 46
Battery backup supply voltage VBAT VBAT 1.71 3.63 V 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: ATSAME53N20A-AU
  • Footprint: Package_QFP:TQFP-100_14x14mm_P0.5mm
  • 3D model: TQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: atsame53n20a-au-etched.step / atsame53n20a-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsame53n20a-au.step / atsame53n20a-au.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 2026-11-10, 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