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ATSAME54P20A-AFT

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Microchip Tech Pre-ordered MCUs, TQFP-128(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatsame54p20a-aftfactory-2.0.0extractor-text

Verified ATSAME54P20A-AFT

by Ray · last 9 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

9 Nov 2026RayPublished by the parts factory: tier mfr, 128 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAME54P20A-AFT · TQFP-128(14x14) · 128 pins
  • ✓copper: 128 copper pads, none touching another net
  • ✓datasheet: all 128 pin names found in the 1934-page datasheet
  • ✓distributor: lcsc C618715, digikey ATSAME54P20A-AFTTR-ND, mouser 556-ATSAME54P20A-AFT
  • ✓family: TQFP-128_14x14mm_P0.4mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-m71co_fw/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: 128 pins = 128 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 128 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsame54p20a-aft.kicad_sym✓ atsame54p20a-aft.kicad_mod✓ atsame54p20a-aft.step
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ATSAME54P20A-AFT

Microchip Tech · Pre-ordered MCUs · TQFP-128(14x14)

ATSAME54P20A-AFT from Microchip Tech, in a TQFP-128(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 GPIO PA00 on VDDIO; EXTINT[0], SERCOM1 PAD[0], TC2 WO[0], or XIN32 for the 32 kHz crystal oscillator.
2 PA01 bidirectional GPIO PA01 on VDDIO; EXTINT[1], SERCOM1 PAD[1], TC2 WO[1], or XOUT32 for the 32 kHz crystal oscillator.
3 PC00 bidirectional GPIO PC00; EXTINT[0], ADC1 AIN[10], RTC tamper IN3; must be kept static to guarantee XOSC32K crystal-mode behavior.
4 PC01 bidirectional GPIO PC01; EXTINT[1], ADC1 AIN[11], RTC tamper IN4; should be steady for XOSC32K jitter minimization.
5 GND power_in Ground.
6 VDDANA power_in Analog supply.
7 PC02 bidirectional GPIO PC02; EXTINT[2], ADC1 AIN[4].
8 PC03 bidirectional GPIO PC03; EXTINT[3], ADC1 AIN[5].
9 PA02 bidirectional GPIO PA02; EXTINT[2], ADC0 AIN[0], DAC VOUT[0], RTC tamper IN2.
10 PA03 bidirectional GPIO PA03; EXTINT[3], ANAREF VREFA, ADC0 AIN[1], PTC X0/Y0.
11 PB04 bidirectional GPIO PB04; EXTINT[4], ADC1 AIN[6], PTC X22/Y22.
12 PB05 bidirectional GPIO PB05; EXTINT[5], ADC1 AIN[7], PTC X23/Y23.
13 PD00 bidirectional GPIO PD00; EXTINT[0], ADC1 AIN[14].
14 GNDANA power_in Analog ground.
15 VDDANA power_in Analog supply.
16 PD01 bidirectional GPIO PD01; EXTINT[1], ADC1 AIN[15].
17 PB06 bidirectional GPIO PB06; EXTINT[6], ADC1 AIN[8], PTC X24/Y24, CCL IN[6].
18 PB07 bidirectional GPIO PB07; EXTINT[7], ADC1 AIN[9], PTC X25/Y25, CCL IN[7].
19 PB08 bidirectional GPIO PB08; EXTINT[8], ADC0 AIN[2], ADC1 AIN[0], PTC X1/Y1, SERCOM4 PAD[0], TC4 WO[0].
20 PB09 bidirectional GPIO PB09; EXTINT[9], ADC0 AIN[3], ADC1 AIN[1], PTC X2/Y2, SERCOM4 PAD[1], TC4 WO[1].
21 PA04 bidirectional GPIO PA04; EXTINT[4], ANAREF VREFB, ADC0 AIN[4], AC AIN[0], SERCOM0 PAD[0], TC0 WO[0].
22 PA05 bidirectional GPIO PA05; EXTINT[5], ADC0 AIN[5], AC AIN[1], DAC VOUT[1], SERCOM0 PAD[1], TC0 WO[1].
23 PA06 bidirectional GPIO PA06; EXTINT[6], ANAREF VREFC, ADC0 AIN[6], AC AIN[2], SERCOM0 PAD[2], TC1 WO[0].
24 PA07 bidirectional GPIO PA07; EXTINT[7], ADC0 AIN[7], AC AIN[3], SERCOM0 PAD[3], TC1 WO[1], CCL OUT[0].
25 GNDANA power_in Analog ground.
26 VDDANA power_in Analog supply.
27 PC04 bidirectional GPIO PC04; EXTINT[4], SERCOM6 PAD[0], TCC0 WO[0].
28 PC05 bidirectional GPIO PC05; EXTINT[5], SERCOM6 PAD[1].
29 PC06 bidirectional GPIO PC06; EXTINT[6], SERCOM6 PAD[2], SDHC0 SDCD.
30 PC07 bidirectional GPIO PC07; EXTINT[9], SERCOM6 PAD[3], SDHC0 SDWP.
31 GND power_in Ground.
32 VDDIOB power_in I/O supply for the PA08-PA11 cluster.
33 PA08 bidirectional GPIO PA08 (high-sink, I2C-capable, VDDIOB); EXTINT NMI, ADC0 AIN[8], ADC1 AIN[2], SERCOM0/2, QSPI DATA[0].
34 PA09 bidirectional GPIO PA09 (high-sink, I2C-capable, VDDIOB); EXTINT[9], ADC0 AIN[9], ADC1 AIN[3], SERCOM0/2, QSPI DATA[1].
35 PA10 bidirectional GPIO PA10 (VDDIOB); EXTINT[10], ADC0 AIN[10], SERCOM0/2 PAD[2], QSPI DATA[2], GCLK IO[4].
36 PA11 bidirectional GPIO PA11 (VDDIOB); EXTINT[11], ADC0 AIN[11], SERCOM0/2 PAD[3], QSPI DATA[3], GCLK IO[5].
37 VDDIOB power_in I/O supply for the PA08-PA11 cluster.
38 GND power_in Ground.
39 PB10 bidirectional GPIO PB10; EXTINT[10], SERCOM4 PAD[2], TC5 WO[0], TCC0/TCC1, QSPI SCK.
40 PB11 bidirectional GPIO PB11; EXTINT[11], SERCOM4 PAD[3], TC5 WO[1], TCC0/TCC1, QSPI CS.
41 PB12 bidirectional GPIO PB12; EXTINT[12], PTC X26/Y26, SERCOM4 PAD[0], TC4, TCC3, CAN1 TX.
42 PB13 bidirectional GPIO PB13; EXTINT[13], PTC X27/Y27, SERCOM4 PAD[1], TC4, TCC3, CAN1 RX.
43 PB14 bidirectional GPIO PB14; EXTINT[14], PTC X28/Y28, SERCOM4 PAD[2], TC5, TCC4, GMAC GMDC.
44 PB15 bidirectional GPIO PB15; EXTINT[15], PTC X29/Y29, SERCOM4 PAD[3], TC5, TCC4, GMAC GMDIO.
45 VDDIO power_in Digital I/O supply.
46 GND power_in Ground.
47 PD08 bidirectional GPIO PD08 (high-sink, I2C-capable); EXTINT[3], SERCOM7 PAD[0], SERCOM6 PAD[1], TCC0 WO[1].
48 PD09 bidirectional GPIO PD09 (high-sink, I2C-capable); EXTINT[4], SERCOM7 PAD[1], SERCOM6 PAD[0], TCC0 WO[2].
49 PD10 bidirectional GPIO PD10; EXTINT[5], SERCOM7 PAD[2], SERCOM6 PAD[2], TCC0 WO[3].
50 PD11 bidirectional GPIO PD11; EXTINT[6], SERCOM7 PAD[3], SERCOM6 PAD[3], TCC0 WO[4].
51 PD12 bidirectional GPIO PD12; EXTINT[7], TCC0 WO[5].
52 PC10 bidirectional GPIO PC10; EXTINT[10], SERCOM6 PAD[2], SERCOM7 PAD[2], TCC0 WO[0], TCC1 WO[4].
53 GND power_in Ground.
54 VDDIO power_in Digital I/O supply.
55 PC11 bidirectional GPIO PC11; EXTINT[11], SERCOM6 PAD[3], SERCOM7 PAD[3], TCC0 WO[1], GMAC GMDC.
56 PC12 bidirectional GPIO PC12; EXTINT[12], SERCOM6/7 PAD[0]/[1] functions, TCC0/TCC1 outputs.
57 PC13 bidirectional GPIO PC13; EXTINT[13], SERCOM6/7 functions, TCC0/TCC1 outputs.
58 PC14 bidirectional GPIO PC14; EXTINT[14], SERCOM6/7 functions, TCC0/TCC1 outputs.
59 PC15 bidirectional GPIO PC15; EXTINT[15], SERCOM6/7 functions, TCC0/TCC1 outputs.
60 PA12 bidirectional GPIO PA12 (high-sink, I2C-capable); EXTINT[12], SERCOM2/4 functions, TC2, TCC0/TCC1.
61 PA13 bidirectional GPIO PA13 (high-sink, I2C-capable); EXTINT[13], SERCOM2/4 functions, TC2, TCC0/TCC1.
62 PA14 bidirectional GPIO PA14; EXTINT[14], XIN for crystal oscillator XOSC0.
63 PA15 bidirectional GPIO PA15; EXTINT[15], XOUT for crystal oscillator XOSC0.
64 GND power_in Ground.
65 VDDIO power_in Digital I/O supply.
66 PA16 bidirectional GPIO PA16 (high-sink, I2C-capable); EXTINT[0], SERCOM1/3 functions, TC2, TCC1/TCC0, GCLK IO.
67 PA17 bidirectional GPIO PA17 (high-sink, I2C-capable); EXTINT[1], SERCOM1/3 functions, TC2, TCC1/TCC0, GCLK IO.
68 PA18 bidirectional GPIO PA18; EXTINT[2], SERCOM1/3 functions, TC3, TCC1/TCC0.
69 PA19 bidirectional GPIO PA19; EXTINT[3], SERCOM1/3 functions, TC3, TCC1/TCC0.
70 PC16 bidirectional GPIO PC16; EXTINT[0], SERCOM6 and TCC/GMAC functions.
71 PC17 bidirectional GPIO PC17; EXTINT[1], SERCOM6 and TCC/GMAC functions.
72 PC18 bidirectional GPIO PC18; EXTINT[2], SERCOM6 and TCC/GMAC functions.
73 PC19 bidirectional GPIO PC19; EXTINT[3], SERCOM6 and TCC/GMAC functions.
74 PC20 bidirectional GPIO PC20; EXTINT[4], SERCOM and GMAC functions.
75 PC21 bidirectional GPIO PC21; EXTINT[5], SERCOM and GMAC functions.
76 PC22 bidirectional GPIO PC22; EXTINT[6], SERCOM1 PAD[0] (IOSET 2) and GMAC functions.
77 PC23 bidirectional GPIO PC23; EXTINT[7], SERCOM1 and GMAC functions.
78 GND power_in Ground.
79 VDDIO power_in Digital I/O supply.
80 PD20 bidirectional GPIO PD20; EXTINT[10], SERCOM1 and SDHC1 functions.
81 PD21 bidirectional GPIO PD21; EXTINT[11], SERCOM1 and SDHC1 functions.
82 PB16 bidirectional GPIO PB16; EXTINT[0], SERCOM5 PAD[0], TC6/TCC3, SDHC1/GCLK functions.
83 PB17 bidirectional GPIO PB17; EXTINT[1], SERCOM5 PAD[1], TC6/TCC3, SDHC1/GCLK functions.
84 PB18 bidirectional GPIO PB18; EXTINT[2], SERCOM and TCC1/PDEC functions, SDHC1.
85 PB19 bidirectional GPIO PB19; EXTINT[3], SERCOM and TCC1/PDEC functions, SDHC1.
86 PB20 bidirectional GPIO PB20; EXTINT[4], SERCOM3 PAD[0], SERCOM7 PAD[1], TCC1 WO[2], PDEC[2], SDHC1 SDDAT[2], GCLK IO[6].
87 PB21 bidirectional GPIO PB21; EXTINT[5], SERCOM3 PAD[1], SERCOM7 PAD[0], TCC1 WO[3], SDHC1 SDDAT[3], GCLK IO[7].
88 PA20 bidirectional GPIO PA20; EXTINT[4], PTC X14/Y14, SERCOM5/3 PAD[2], TC7 WO[0], TCC1/TCC0, SDHC1 SDCMD, I2S FS[0], PCC DATA[4], GMAC GMDC.
89 PA21 bidirectional GPIO PA21; EXTINT[5], PTC X15/Y15, SERCOM5/3 PAD[3], TC7 WO[1], TCC1/TCC0, SDHC1 SDCK, I2S SDO, PCC DATA[5], GMAC GMDIO.
90 GND power_in Ground.
91 VDDIO power_in Digital I/O supply.
92 PA22 bidirectional GPIO PA22 (high-sink, I2C-capable); EXTINT[6], PTC X16/Y16, SERCOM3 PAD[0], SERCOM5 PAD[1], TC4 WO[0], CAN0 TX, I2S SDI, PCC DATA[6].
93 PA23 bidirectional GPIO PA23 (high-sink, I2C-capable); EXTINT[7], PTC X17/Y17, SERCOM3 PAD[1], SERCOM5 PAD[0], TC4 WO[1], USB SOF_1KHZ, CAN0 RX, I2S FS[1], PCC DATA[7].
94 PA24 bidirectional GPIO PA24; EXTINT[8], SERCOM3/5 PAD[2], TC5 WO[0], TCC2 WO[2], PDEC[0], USB DM, CAN0 TX.
95 PA25 bidirectional GPIO PA25; EXTINT[9], SERCOM3/5 PAD[3], TC5 WO[1], PDEC[1], USB DP, CAN0 RX, CCL OUT[2].
96 GND power_in Ground.
97 VDDIO power_in Digital I/O supply.
98 PB22 bidirectional GPIO PB22; EXTINT[6], SERCOM1/5 PAD[2], TC7 WO[0], PDEC[2], USB SOF_1KHZ, GCLK IO[0], or XIN for XOSC1.
99 PB23 bidirectional GPIO PB23; EXTINT[7], SERCOM1/5 PAD[3], TC7 WO[1], PDEC[0], GCLK IO[1], CCL OUT[0], or XOUT for XOSC1.
100 PB24 bidirectional GPIO PB24; EXTINT[8], SERCOM0 PAD[0], SERCOM2 PAD[1], PDEC[1], AC CMP[0].
101 PB25 bidirectional GPIO PB25; EXTINT[9], SERCOM0 PAD[1], SERCOM2 PAD[0], PDEC[2], AC CMP[1].
102 PB26 bidirectional GPIO PB26; EXTINT[12], SERCOM2 PAD[0], SERCOM4 PAD[1], TCC1 WO[2].
103 PB27 bidirectional GPIO PB27; EXTINT[13], SERCOM2 PAD[1], SERCOM4 PAD[0], TCC1 WO[3].
104 PB28 bidirectional GPIO PB28; EXTINT[14], SERCOM2 PAD[2], SERCOM4 PAD[2], TCC1 WO[4], I2S SCK[1].
105 PB29 bidirectional GPIO PB29; EXTINT[15], SERCOM2 PAD[3], SERCOM4 PAD[3], TCC1 WO[5], I2S MCK[1].
106 GND power_in Ground.
107 VDDIO power_in Digital I/O supply.
108 PC24 bidirectional GPIO PC24; EXTINT[8], SERCOM0 PAD[2], SERCOM2 PAD[2], Cortex-M4 TRACEDATA[3].
109 PC25 bidirectional GPIO PC25; EXTINT[9], SERCOM0 PAD[3], SERCOM2 PAD[3], Cortex-M4 TRACEDATA[2].
110 PC26 bidirectional GPIO PC26; EXTINT[10], Cortex-M4 TRACEDATA[1].
111 PC27 bidirectional GPIO PC27; EXTINT[11], SERCOM1 PAD[0], Cortex-M4 TRACECLK, SWO in single-wire trace mode, CCL IN[4].
112 PC28 bidirectional GPIO PC28; EXTINT[12], SERCOM1 PAD[1], Cortex-M4 TRACEDATA[0], CCL IN[5].
113 PA27 bidirectional GPIO PA27; EXTINT[11], PTC X18/Y18, GCLK IO[1].
114 RESETN input Active-low external reset input.
115 VDDCORE passive Regulated core supply connection (regulated input/output supply).
116 GNDIO power_in I/O ground.
117 VSW passive Switching regulator output (buck converter) pin.
118 VDDIO power_in Digital I/O supply.
119 PA30 bidirectional GPIO PA30 on VDDIO; SWCLK serial wire debug clock, EXTINT[14], SERCOM7 PAD[2], SERCOM1 PAD[2], TC6 WO[0], TCC2 WO[0], GCLK IO[0].
120 PA31 bidirectional GPIO PA31 on VDDIO; SWDIO serial wire debug data, EXTINT[15], SERCOM7 PAD[3], SERCOM1 PAD[3], TC6 WO[1], TCC2 WO[1], CCL OUT[1].
121 PB30 bidirectional GPIO PB30; EXTINT[14], SERCOM7 PAD[0], SERCOM5 PAD[1], TC0 WO[0], TCC4 WO[0], TCC0 WO[6], SWO.
122 PB31 bidirectional GPIO PB31; EXTINT[15], SERCOM7 PAD[1], SERCOM5 PAD[0], TC0 WO[1], TCC4 WO[1], TCC0 WO[7].
123 PC30 bidirectional GPIO PC30; EXTINT[14], ADC1 AIN[12].
124 PC31 bidirectional GPIO PC31; EXTINT[15], ADC1 AIN[13].
125 PB00 bidirectional GPIO PB00; EXTINT[0], ADC0 AIN[12], PTC X30/Y30, SERCOM5 PAD[2], TC7 WO[0], RTC tamper IN0, CCL IN[1].
126 PB01 bidirectional GPIO PB01; EXTINT[1], ADC0 AIN[13], PTC X31/Y31, SERCOM5 PAD[3], TC7 WO[1], SUPC OUT0, RTC tamper OUT, CCL IN[2].
127 PB02 bidirectional GPIO PB02; EXTINT[2], ADC0 AIN[14], PTC X20/Y20, SERCOM5 PAD[0], TC6 WO[0], TCC2 WO[2], SUPC OUT1, RTC tamper IN1, CCL OUT[0].
128 PB03 bidirectional GPIO PB03; EXTINT[3], ADC0 AIN[15], PTC X21/Y21, SERCOM5 PAD[1], TC6 WO[1].

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-128(14x14)
Category Embedded Processors & Controllers
Pins 128

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VDDIO supply voltage VDDIO 1.71 3.63 V 46
VDDANA supply voltage VDDANA 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: ATSAME54P20A-AFT
  • Footprint: Package_QFP:TQFP-128_14x14mm_P0.4mm
  • 3D model: TQFP-128(14x14) (KiCad packages3D, STEP)
  • 3D model files: atsame54p20a-aft-etched.step / atsame54p20a-aft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsame54p20a-aft.step / atsame54p20a-aft.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 2026-11-09, 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