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ATSAMD51G19A-MU

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Microchip Tech Pre-ordered MCUs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatsamd51g19a-mufactory-2.0.0extractor-text

Verified ATSAMD51G19A-MU

by Ray · last 10 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

10 Nov 2026RayPublished by the parts factory: tier mfr, 49 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATSAMD51G19A-MU · QFN-48-EP(7x7) · 49 pins
  • ✓copper: 49 copper pads, none touching another net
  • ✓datasheet: all 49 pin names found in the 1934-page datasheet
  • ✓distributor: lcsc C1337776, digikey ATSAMD51G19A-MU-ND, mouser 556-ATSAMD51G19AMU
  • ✓family: QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-p3fq_5tw/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: 49 pins = 49 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 49 pins agree
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 59 kB, viewers/symbol.html 32 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atsamd51g19a-mu.kicad_sym✓ atsamd51g19a-mu.kicad_mod✓ atsamd51g19a-mu.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers atsamd51g19a-mu: viewers rendered from the public page · Ray
atsamd51g19a-mu-etched.glb Publish 0.1.0 · Ray
atsamd51g19a-mu-etched.step atsamd51g19a-mu: factory component page (tier=mfr) · Ray
atsamd51g19a-mu-hero.glb atsamd51g19a-mu: hero GLB from the etched model (keeps the MPN mark) · Ray
atsamd51g19a-mu-hero.overlay.json Publish 0.1.0 · Ray
atsamd51g19a-mu.glb Publish 0.1.0 · Ray
atsamd51g19a-mu.kicad_mod Publish 0.1.0 · Ray
atsamd51g19a-mu.kicad_sym Publish 0.1.0 · Ray
atsamd51g19a-mu.lbr Publish 0.1.0 · Ray
atsamd51g19a-mu.step Publish 0.1.0 · Ray
package.json Publish 0.1.1 · Ray
page.json Publish 0.1.1 · Ray
README.md Publish 0.1.0 · Ray
verification.json Verified: Published by the parts factory: tier mfr, 49 pins · Ray

ATSAMD51G19A-MU

Microchip Tech · Pre-ordered MCUs · QFN-48-EP(7x7)

ATSAMD51G19A-MU from Microchip Tech, in a QFN-48-EP(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 PA00 with EXTINT[0], SERCOM1 PAD[0] and TC2 WO[0]; also the XIN32 pin of XOSC32K.
2 PA01 bidirectional General-purpose I/O PA01 with EXTINT[1], SERCOM1 PAD[1] and TC2 WO[1]; also the XOUT32 pin of XOSC32K.
3 PA02 bidirectional General-purpose I/O PA02 with EXTINT[2], ADC0 AIN[0] and DAC VOUT[0]; also RTC tamper input IN2.
4 PA03 bidirectional General-purpose I/O PA03 with EXTINT[3], ANAREF VREFA, ADC0 AIN[1] and PTC X0/Y0.
5 GNDANA power_in Analog ground.
6 VDDANA power_in Analog supply.
7 PB08 bidirectional General-purpose I/O PB08 with EXTINT[8], ADC0 AIN[2], ADC1 AIN[0], PTC X1/Y1, SERCOM4 PAD[0] and TC4 WO[0].
8 PB09 bidirectional General-purpose I/O PB09 with EXTINT[9], ADC0 AIN[3], ADC1 AIN[1], PTC X2/Y2, SERCOM4 PAD[1] and TC4 WO[1].
9 PA04 bidirectional General-purpose I/O PA04 with EXTINT[4], ANAREF VREFB, ADC0 AIN[4], AC AIN[0] and SERCOM0 PAD[0].
10 PA05 bidirectional General-purpose I/O PA05 with EXTINT[5], ADC0 AIN[5], AC AIN[1], DAC VOUT[1] and SERCOM0 PAD[1].
11 PA06 bidirectional General-purpose I/O PA06 with EXTINT[6], ANAREF VREFC, ADC0 AIN[6], AC AIN[2] and SERCOM0 PAD[2].
12 PA07 bidirectional General-purpose I/O PA07 with EXTINT[7], ADC0 AIN[7], AC AIN[3] and SERCOM0 PAD[3].
13 PA08 bidirectional High-sink general-purpose I/O PA08 with NMI, ADC0 AIN[8], QSPI DATA[0], SERCOM0/2 and I2C support.
14 PA09 bidirectional High-sink general-purpose I/O PA09 with EXTINT[9], ADC0 AIN[9], QSPI DATA[1], SERCOM0/2 and I2C support.
15 PA10 bidirectional General-purpose I/O PA10 with EXTINT[10], ADC0 AIN[10], QSPI DATA[2] and SERCOM0/2.
16 PA11 bidirectional General-purpose I/O PA11 with EXTINT[11], ADC0 AIN[11], QSPI DATA[3] and SERCOM0/2.
17 VDDIO power_in Digital I/O supply.
18 GND power_in Ground.
19 PB10 bidirectional General-purpose I/O PB10 with EXTINT[10], QSPI SCK, SERCOM4 PAD[2] and TC5 WO[0].
20 PB11 bidirectional General-purpose I/O PB11 with EXTINT[11], QSPI CS, SERCOM4 PAD[3] and TC5 WO[1].
21 PA12 bidirectional High-sink general-purpose I/O PA12 with I2C support on VDDIO.
22 PA13 bidirectional High-sink general-purpose I/O PA13 with I2C support on VDDIO.
23 PA14 bidirectional General-purpose I/O PA14; also XIN of XOSC0.
24 PA15 bidirectional General-purpose I/O PA15; also XOUT of XOSC0.
25 PA16 bidirectional High-sink general-purpose I/O PA16 with I2C support on VDDIO.
26 PA17 bidirectional High-sink general-purpose I/O PA17 with I2C support on VDDIO.
27 PA18 bidirectional General-purpose I/O PA18 with PORT peripheral multiplexing.
28 PA19 bidirectional General-purpose I/O PA19 with PORT peripheral multiplexing.
29 PA20 bidirectional General-purpose I/O PA20 with EXTINT[4], PTC X14/Y14, SERCOM5 PAD[2] and TC7 WO[0].
30 PA21 bidirectional General-purpose I/O PA21 with EXTINT[5], PTC X15/Y15, SERCOM5 PAD[3] and TC7 WO[1].
31 PA22 bidirectional High-sink general-purpose I/O PA22 with EXTINT[6], PTC X16/Y16, SERCOM3 PAD[0] and I2C support.
32 PA23 bidirectional High-sink general-purpose I/O PA23 with EXTINT[7], PTC X17/Y17, SERCOM3 PAD[1], USB SOF 1kHz and I2C support.
33 PA24 bidirectional General-purpose I/O PA24 with EXTINT[8], SERCOM3 PAD[2] and USB DM.
34 PA25 bidirectional General-purpose I/O PA25 with EXTINT[9], SERCOM3 PAD[3] and USB DP.
35 GND power_in Ground.
36 VDDIO power_in Digital I/O supply.
37 PB22 bidirectional General-purpose I/O PB22 with EXTINT[6], SERCOM1 PAD[2] and USB SOF 1kHz; also XIN of XOSC1.
38 PB23 bidirectional General-purpose I/O PB23 with EXTINT[7], SERCOM1 PAD[3] and GCLK IO[1]; also XOUT of XOSC1.
39 PA27 bidirectional General-purpose I/O PA27 with EXTINT[11], PTC X18/Y18 and GCLK IO[1].
40 RESETN input External reset input, active low.
41 VDDCORE power_in Core supply (regulated).
42 GND power_in Ground.
43 VSW power_out Internal buck regulator switching output.
44 VDDIO power_in Digital I/O supply.
45 PA30 bidirectional General-purpose I/O PA30 with EXTINT[14]; SWCLK serial wire debug clock (VDDIO).
46 PA31 bidirectional General-purpose I/O PA31 with EXTINT[15]; SWDIO serial wire debug data (VDDIO).
47 PB02 bidirectional General-purpose I/O PB02 with EXTINT[2], ADC0 AIN[14], PTC X20/Y20 and SERCOM5 PAD[0]; RTC tamper IN1, SUPC OUT1.
48 PB03 bidirectional General-purpose I/O PB03 with EXTINT[3], ADC0 AIN[15], PTC X21/Y21 and SERCOM5 PAD[1].
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package QFN-48-EP(7x7)
Category Embedded Processors & Controllers
Pins 49

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDDIO VDDIO 1.71 3.63 V Powers I/O lines, XOSCn and internal regulator for VDDCORE 46
Supply voltage VDDANA VDDANA 1.71 3.63 V Must be the same voltage as VDDIO (VDD) 46
Supply voltage VDDIOB VDDIOB 1.71 3.63 V Must be equal to or lower than VDDIO 46
Supply voltage VBAT VBAT 1.71 3.63 V Powers the Automatic Power Switch 46
Internal regulator output VDDCORE VDDCORE 1.2 V Internal voltage regulator output in linear mode 46
Operating temperature (package grade U) -40 85 °C Package grade U (MU suffix), 1.71V to 3.63V 1
Maximum operating frequency 120 MHz 1.71V to 3.63V, -40°C to +85°C 1

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: ATSAMD51G19A-MU
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: QFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: atsamd51g19a-mu-etched.step / atsamd51g19a-mu-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsamd51g19a-mu.step / atsamd51g19a-mu.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