by adom

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

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	atsame54p20a-au: hero re-rendered with the chip (after the 10-30 render outage) · Ray	5d ago
viewers	atsame54p20a-au: viewers · Ray	5d ago
atsame54p20a-au-etched.glb	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au-etched.step	atsame54p20a-au: factory component page (tier=mfr) · Ray	5d ago
atsame54p20a-au-hero.glb	atsame54p20a-au: hero GLB from the etched model (keeps the MPN mark) · Ray	5d ago
atsame54p20a-au-hero.overlay.json	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au.glb	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au.kicad_mod	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au.kicad_sym	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au.lbr	Publish 0.1.0 · Ray	5d ago
atsame54p20a-au.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, 128 pins · Ray	5d ago

ATSAME54P20A-AU

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

ATSAME54P20A-AU 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	PORT pin PA00 with EIC/EXTINT[0] and SERCOM1/PAD[0] functions, and XIN32 of the 32 kHz crystal oscillator (XOSC32K) per Table 6-2.
2	PA01	bidirectional	PORT pin PA01 with EIC/EXTINT[1] function, and XOUT32 of the 32 kHz crystal oscillator (XOSC32K) per Table 6-2.
3	PC00	bidirectional	PORT pin PC00 with EIC/EXTINT[0] and ADC1/AIN[10]; it must be static to guarantee XOSC32K crystal-mode behavior (Section 6.2.1).
4	PC01	bidirectional	PORT pin PC01 with EIC/EXTINT[1] and ADC1/AIN[11]; listed as a steady signal for XOSC32K jitter minimization (Table 6-3).
5	GND	power_in	Ground pin of the device.
6	VDDANA	power_in	Analog supply pin; device operating range is 1.71 V to 3.63 V.
7	PC02	bidirectional	PORT pin PC02 with EIC/EXTINT[2] and ADC1/AIN[4] functions.
8	PC03	bidirectional	PORT pin PC03 with EIC/EXTINT[3] and ADC1/AIN[5] functions.
9	PA02	bidirectional	PORT pin PA02 with EIC/EXTINT[2], ADC0/AIN[0] and DAC/VOUT[0] functions; also RTC tamper input IN2 (Table 6-7).
10	PA03	bidirectional	PORT pin PA03 with EIC/EXTINT[3], ADC0/AIN[1], PTC X0/Y0 and ANAREF/VREFA external reference functions.
11	PB04	bidirectional	PORT pin PB04 with EIC/EXTINT[4], ADC1/AIN[6] and PTC X22/Y22 functions.
12	PB05	bidirectional	PORT pin PB05 with EIC/EXTINT[5], ADC1/AIN[7] and PTC X23/Y23 functions.
13	PD00	bidirectional	PORT pin PD00 with EIC/EXTINT[0] and ADC1/AIN[14] functions.
14	GNDANA	power_in	Analog ground pin for the analog peripherals.
15	VDDANA	power_in	Analog supply pin; device operating range is 1.71 V to 3.63 V.
16	PD01	bidirectional	PORT pin PD01 with EIC/EXTINT[1] and ADC1/AIN[15] functions.
17	PB06	bidirectional	PORT pin PB06 with EIC/EXTINT[6], ADC1/AIN[8], PTC X24/Y24 and CCL/IN[6] functions.
18	PB07	bidirectional	PORT pin PB07 with EIC/EXTINT[7], ADC1/AIN[9], PTC X25/Y25 and CCL/IN[7] functions.
19	PB08	bidirectional	PORT pin PB08 with EIC/EXTINT[8], ADC0/AIN[2], ADC1/AIN[0] and PTC X1/Y1 functions.
20	PB09	bidirectional	PORT pin PB09 with EIC/EXTINT[9], ADC0/AIN[3], ADC1/AIN[1] and PTC X2/Y2 functions.
21	PA04	bidirectional	PORT pin PA04 with EIC/EXTINT[4], ADC0/AIN[4], AC/AIN[0] and ANAREF/VREFB functions.
22	PA05	bidirectional	PORT pin PA05 with EIC/EXTINT[5], ADC0/AIN[5], AC/AIN[1] and DAC/VOUT[1] functions.
23	PA06	bidirectional	PORT pin PA06 with EIC/EXTINT[6], ADC0/AIN[6], AC/AIN[2] and ANAREF/VREFC functions.
24	PA07	bidirectional	PORT pin PA07 with EIC/EXTINT[7], ADC0/AIN[7] and AC/AIN[3] functions.
25	GNDANA	power_in	Analog ground pin for the analog peripherals.
26	VDDANA	power_in	Analog supply pin; device operating range is 1.71 V to 3.63 V.
27	PC04	bidirectional	PORT pin PC04 with EIC/EXTINT[4] function and SERCOM6/PAD[0] and TCC0/WO[0] alternate functions.
28	PC05	bidirectional	PORT pin PC05 with EIC/EXTINT[5] function and SERCOM6/PAD[1] alternate function.
29	PC06	bidirectional	PORT pin PC06 with EIC/EXTINT[6] function and SERCOM6/PAD[2] and SDHC0/SDCD alternate functions.
30	PC07	bidirectional	PORT pin PC07 with EIC/EXTINT[9] function and SERCOM6/PAD[3] and SDHC0/SDWP alternate functions.
31	GND	power_in	Ground pin of the device.
32	VDDIOB	power_in	I/O supply pin for the VDDIOB pin group; device operating range is 1.71 V to 3.63 V.
33	PA08	bidirectional	High Sink PORT pin PA08 (Table 6-1 note 3) with EIC/NMI, ADC0/AIN[8] and ADC1/AIN[2] functions; SERCOM I2C support on VDDIOB (Table 6-8).
34	PA09	bidirectional	High Sink PORT pin PA09 (Table 6-1 note 3) with EIC/EXTINT[9], ADC0/AIN[9] and ADC1/AIN[3] functions; SERCOM I2C support on VDDIOB (Table 6-8).
35	PA10	bidirectional	PORT pin PA10 with EIC/EXTINT[10] and ADC0/AIN[10] functions.
36	PA11	bidirectional	PORT pin PA11 with EIC/EXTINT[11] and ADC0/AIN[11] functions.
37	VDDIOB	power_in	I/O supply pin for the VDDIOB pin group; device operating range is 1.71 V to 3.63 V.
38	GND	power_in	Ground pin of the device.
39	PB10	bidirectional	PORT pin PB10 with EIC/EXTINT[10] function and SERCOM4/PAD[2], QSPI/SCK and I2S/SDI alternate functions.
40	PB11	bidirectional	PORT pin PB11 with EIC/EXTINT[11] function and SERCOM4/PAD[3], QSPI/CS and I2S/FS[1] alternate functions.
41	PB12	bidirectional	PORT pin PB12 with EIC/EXTINT[12] and PTC X26/Y26 functions, and SERCOM4/PAD[0] and CAN1/TX alternate functions.
42	PB13	bidirectional	PORT pin PB13 with EIC/EXTINT[13] and PTC X27/Y27 functions, and SERCOM4/PAD[1] and CAN1/RX alternate functions.
43	PB14	bidirectional	PORT pin PB14 with EIC/EXTINT[14] and PTC X28/Y28 functions, and SERCOM4/PAD[2] and GMAC/GMDC alternate functions.
44	PB15	bidirectional	PORT pin PB15 with EIC/EXTINT[15] and PTC X29/Y29 functions, and SERCOM4/PAD[3] and GMAC/GMDIO alternate functions.
45	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
46	GND	power_in	Ground pin of the device.
47	PD08	bidirectional	High Sink PORT pin PD08 (Table 6-1 note 3) with EIC/EXTINT[3] function; SERCOM I2C support on VDDIO (Table 6-8).
48	PD09	bidirectional	High Sink PORT pin PD09 (Table 6-1 note 3) with EIC/EXTINT[4] function; SERCOM I2C support on VDDIO (Table 6-8).
49	PD10	bidirectional	PORT pin PD10 with EIC/EXTINT[5] function and SERCOM7/PAD[2], SERCOM6/PAD[2] and TCC0/WO[3] alternate functions.
50	PD11	bidirectional	PORT pin PD11 with EIC/EXTINT[6] function and SERCOM7/PAD[3], SERCOM6/PAD[3] and TCC0/WO[4] alternate functions.
51	PD12	bidirectional	PORT pin PD12 with EIC/EXTINT[7] function and TCC0/WO[5] alternate function.
52	PC10	bidirectional	PORT pin PC10 with EIC/EXTINT[10] function and SERCOM6/PAD[2], SERCOM7/PAD[2], TCC0/WO[0] and TCC1/WO[4] alternate functions.
53	GND	power_in	Ground pin of the device.
54	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
55	PC11	bidirectional	PORT pin PC11 with EIC/EXTINT[11] function and SERCOM6/PAD[3], SERCOM7/PAD[3], TCC0/WO[1], TCC1/WO[5] and GMAC/GMDC alternate functions.
56	PC12	bidirectional	PORT pin PC12 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
57	PC13	bidirectional	PORT pin PC13 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
58	PC14	bidirectional	PORT pin PC14 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
59	PC15	bidirectional	PORT pin PC15 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
60	PA12	bidirectional	High Sink PORT pin PA12 (Table 6-1 note 3) with SERCOM I2C support on VDDIO (Table 6-8); other alternate functions are on page 34, not in the supplied text.
61	PA13	bidirectional	High Sink PORT pin PA13 (Table 6-1 note 3) with SERCOM I2C support on VDDIO (Table 6-8); other alternate functions are on page 34, not in the supplied text.
62	PA14	bidirectional	PORT pin PA14, which is XIN of the XOSC0 main oscillator (VDDIO supply) per Table 6-2.
63	PA15	bidirectional	PORT pin PA15, which is XOUT of the XOSC0 main oscillator (VDDIO supply) per Table 6-2.
64	GND	power_in	Ground pin of the device.
65	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
66	PA16	bidirectional	High Sink PORT pin PA16 (Table 6-1 note 3) with SERCOM I2C support on VDDIO (Table 6-8); other alternate functions are on page 34, not in the supplied text.
67	PA17	bidirectional	High Sink PORT pin PA17 (Table 6-1 note 3) with SERCOM I2C support on VDDIO (Table 6-8); other alternate functions are on page 34, not in the supplied text.
68	PA18	bidirectional	PORT pin PA18 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
69	PA19	bidirectional	PORT pin PA19 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
70	PC16	bidirectional	PORT pin PC16 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
71	PC17	bidirectional	PORT pin PC17 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
72	PC18	bidirectional	PORT pin PC18 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
73	PC19	bidirectional	PORT pin PC19 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
74	PC20	bidirectional	PORT pin PC20 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
75	PC21	bidirectional	PORT pin PC21 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
76	PC22	bidirectional	PORT pin PC22 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
77	PC23	bidirectional	PORT pin PC23 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
78	GND	power_in	Ground pin of the device.
79	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
80	PD20	bidirectional	PORT pin PD20 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
81	PD21	bidirectional	PORT pin PD21 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
82	PB16	bidirectional	PORT pin PB16 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
83	PB17	bidirectional	PORT pin PB17 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
84	PB18	bidirectional	PORT pin PB18 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
85	PB19	bidirectional	PORT pin PB19 digital I/O; its alternate-function list is in Table 6-1 on page 34, which is not in the supplied text.
86	PB20	bidirectional	PORT pin PB20 with EIC/EXTINT[4] function and other alternate functions listed in Table 6-1.
87	PB21	bidirectional	PORT pin PB21 with EIC/EXTINT[5] function and other alternate functions listed in Table 6-1.
88	PA20	bidirectional	PORT pin PA20 with EIC/EXTINT[4] and PTC X14/Y14 functions.
89	PA21	bidirectional	PORT pin PA21 with EIC/EXTINT[5] and PTC X15/Y15 functions.
90	GND	power_in	Ground pin of the device.
91	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
92	PA22	bidirectional	High Sink PORT pin PA22 (Table 6-1 note 3) with EIC/EXTINT[6] function; SERCOM I2C support on VDDIO (Table 6-8).
93	PA23	bidirectional	High Sink PORT pin PA23 (Table 6-1 note 3) with EIC/EXTINT[7] and PTC X17/Y17 functions; SERCOM I2C support on VDDIO (Table 6-8).
94	PA24	bidirectional	PORT pin PA24 with EIC/EXTINT[8] function and USB/DM alternate function.
95	PA25	bidirectional	PORT pin PA25 with EIC/EXTINT[9] function and USB/DP alternate function.
96	GND	power_in	Ground pin of the device.
97	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
98	PB22	bidirectional	PORT pin PB22 with EIC/EXTINT[6] function, and XIN of the XOSC1 oscillator per Table 6-2.
99	PB23	bidirectional	PORT pin PB23 with EIC/EXTINT[7] function, and XOUT of the XOSC1 oscillator per Table 6-2.
100	PB24	bidirectional	PORT pin PB24 with EIC/EXTINT[8] function and AC/CMP[0] comparator output.
101	PB25	bidirectional	PORT pin PB25 with EIC/EXTINT[9] function and AC/CMP[1] comparator output.
102	PB26	bidirectional	PORT pin PB26 with EIC/EXTINT[12] function and other alternate functions listed in Table 6-1.
103	PB27	bidirectional	PORT pin PB27 with EIC/EXTINT[13] function and other alternate functions listed in Table 6-1.
104	PB28	bidirectional	PORT pin PB28 with EIC/EXTINT[14] function and other alternate functions listed in Table 6-1.
105	PB29	bidirectional	PORT pin PB29 with EIC/EXTINT[15] function and other alternate functions listed in Table 6-1.
106	GND	power_in	Ground pin of the device.
107	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
108	PC24	bidirectional	PORT pin PC24 with EIC/EXTINT[8] function and TRACEDATA[3] trace output per Table 6-5.
109	PC25	bidirectional	PORT pin PC25 with EIC/EXTINT[9] function and TRACEDATA[2] trace output per Table 6-5.
110	PC26	bidirectional	PORT pin PC26 with EIC/EXTINT[10] function and TRACEDATA[1] trace output per Table 6-5.
111	PC27	bidirectional	PORT pin PC27 with EIC/EXTINT[11] function; carries TRACECLK, and SWO in single-wire debug mode (Table 6-1 note 5, Table 6-5).
112	PC28	bidirectional	PORT pin PC28 with EIC/EXTINT[12] function and TRACEDATA[0] trace output per Table 6-5.
113	PA27	bidirectional	PORT pin PA27 with EIC/EXTINT[11] function and GCLK/IO[1] alternate function.
114	RESETN	input	External active-low reset input for the device (Table 5-1, Section 12.4).
115	VDDCORE	power_in	Core supply pin for the device's internal logic; electrical direction is not stated in the supplied text.
116	GNDIO	power_in	I/O ground pin of the device.
117	VSW	power_out	Switch node pin of the embedded buck regulator (Buck/LDO regulator feature, page 1); direction class is inferred.
118	VDDIO	power_in	I/O supply pin for its pin group; device operating range is 1.71 V to 3.63 V.
119	PA30	bidirectional	PORT pin PA30 with EIC/EXTINT[14] function and SWCLK serial-wire debug clock per Table 6-4.
120	PA31	bidirectional	PORT pin PA31 with EIC/EXTINT[15] function and SWDIO serial-wire debug data per Table 6-4.
121	PB30	bidirectional	PORT pin PB30 with EIC/EXTINT[14] function; carries SWO when not in single-wire trace mode (Table 6-1 note 5).
122	PB31	bidirectional	PORT pin PB31 with EIC/EXTINT[15] function and other alternate functions listed in Table 6-1.
123	PC30	bidirectional	PORT pin PC30 with EIC/EXTINT[14] function and ADC1/AIN[12] analog input.
124	PC31	bidirectional	PORT pin PC31 with EIC/EXTINT[15] function and ADC1/AIN[13] analog input.
125	PB00	bidirectional	PORT pin PB00 with EIC/EXTINT[0] and ADC0/AIN[12] functions; RTC tamper input IN0 (Table 6-7); steady signal for XOSC32K jitter (Table 6-3).
126	PB01	bidirectional	PORT pin PB01 with EIC/EXTINT[1] and ADC0/AIN[13] functions; RTC tamper output OUT and SUPC OUT0 (Tables 6-6, 6-7).
127	PB02	bidirectional	PORT pin PB02 with EIC/EXTINT[2] and ADC0/AIN[14] functions; RTC tamper input IN1 and SUPC OUT1 (Tables 6-6, 6-7).
128	PB03	bidirectional	PORT pin PB03 with EIC/EXTINT[3] and ADC0/AIN[15] functions; steady signal for XOSC32K jitter (Table 6-3).

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	Max	Unit	Conditions	Page
Supply voltage VDD (VDDIO and VDDANA)	VDD	1.71	3.63	V	1.71V to 3.63V, -40°C to +85°C, DC to 120 MHz	1
Operating temperature range (grade U, -40°C to +85°C)		-40	85	°C	1.71V to 3.63V, -40°C to +85°C, DC to 120 MHz	1
Maximum clock frequency (DC to)			120	MHz	1.71V to 3.63V, -40°C to +85°C	1
Supply voltage VDDIOB	VDDIOB	1.71	3.63	V		46
Supply voltage VBAT (Automatic Power Switch)	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: ATSAME54P20A-AU
Footprint: Package_QFP:TQFP-128_14x14mm_P0.4mm
3D model: TQFP-128(14x14) (KiCad packages3D, STEP)
3D model files: atsame54p20a-au-etched.step / atsame54p20a-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsame54p20a-au.step / atsame54p20a-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 2026-10-30, 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

ATSAME54P20A-AU

Verified ATSAME54P20A-AU

Verification log 1 record

ATSAME54P20A-AU

Pinout

Key specifications

Electrical characteristics

Materials and finish

CAD (KiCad official)

Provenance