ATSAME70Q20B-ANT

Microchip Tech · Pre-ordered MCUs · LQFP-144(20x20)

ATSAME70Q20B-ANT from Microchip Tech, in a LQFP-144(20x20). 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	PD0	bidirectional	GPIO line PD0 with extra function DAC1 (selected when DACC_CHER.CH1 is set) and peripheral functions GTXCK, PWMC1_PWML0, SPI1_NPCS1, DCD0.
2	PD31	bidirectional	GPIO line PD31 with peripheral functions QIO3, UTXD3, PCK2, ISI_D11.
3	VDDOUT	power_out	Voltage regulator output; the schematic checklist shows it left unconnected when VDDCORE is supplied externally.
4	PE0	bidirectional	GPIO line PE0 with extra function AFE1_AD11 and peripheral functions D8, TIOA9, I2SC1_WS.
5	VDDIN	power_in	Voltage regulator input, which also supplies the ADC, DAC and analog comparator; must be at the same level as VDDIO.
6	PE1	bidirectional	GPIO line PE1 with peripheral functions D9, TIOB9, I2SC1_DO.
7	PE2	bidirectional	GPIO line PE2 with peripheral functions D10, TCLK9, I2SC1_DI.
8	VREFN	input	Negative reference voltage input for the analog front end and DAC, referenced to GND.
9	VREFP	input	Positive reference voltage input for the analog front end and DAC; must rise simultaneously with VDDIO and VDDIN at powerup.
10	PE3	bidirectional	GPIO line PE3 with extra function AFE1_AD10 and peripheral functions D11, TIOA10.
11	PC0	bidirectional	GPIO line PC0 with extra function AFE1_AD9 and peripheral functions D0, PWMC0_PWML0.
12	PC27	bidirectional	GPIO line PC27 with extra function AFE1_AD8 and peripheral functions A9, TIOB4, SPI1_MOSI.
13	PC26	bidirectional	GPIO line PC26 with extra function AFE1_AD7 and peripheral functions A8, TIOA4, SPI1_MISO.
14	PC31	bidirectional	GPIO line PC31 with extra function AFE1_AD6 and peripheral functions A13, TCLK5.
15	PC30	bidirectional	GPIO line PC30 with extra function AFE1_AD5 and peripheral functions A12, TIOB5, SPI1_NPCS3.
16	PC29	bidirectional	GPIO line PC29 with extra function AFE1_AD4 and peripheral functions A11, TIOA5, SPI1_NPCS2.
17	PC12	bidirectional	GPIO line PC12 with extra function AFE1_AD3 and peripheral functions NCS3, TIOB8, CANRX1.
18	PC15	bidirectional	GPIO line PC15 with extra function AFE1_AD2 and peripheral functions NCS1/SDCS, PWMC0_PWML3.
19	PC13	bidirectional	GPIO line PC13 with extra function AFE1_AD1 and peripheral functions NWAIT, PWMC0_PWMH3.
20	PB1	bidirectional	GPIO line PB1 with extra function AFE1_AD0/RTCOUT1 and peripheral functions PWMC0_PWMH1, GTSUCOMP, TXD0, TK.
21	PB0	bidirectional	GPIO line PB0 with extra function AFE0_AD10/RTCOUT0 and peripheral functions PWMC0_PWMH0, RXD0, TF.
22	PA20	bidirectional	GPIO line PA20 with extra function AFE0_AD9/WKUP10 and peripheral functions PWMC0_PWML1, A16, I2SC1_CK.
23	PA19	bidirectional	GPIO line PA19 with extra function AFE0_AD8/WKUP9 and peripheral functions PWMC0_PWML0, A15, I2SC1_MCK.
24	PA18	bidirectional	GPIO line PA18 with extra function AFE0_AD7 and peripheral functions PWMC1_PWMEXTRG1, PCK2, A14.
25	PA17	bidirectional	GPIO line PA17 with extra function AFE0_AD6 and peripheral functions QIO2, PCK1, PWMC0_PWMH3.
26	PB2	bidirectional	GPIO line PB2 with extra function AFE0_AD5 and peripheral functions CANTX0, CTS0, SPI0_NPCS0.
27	PE4	bidirectional	GPIO line PE4 with extra function AFE0_AD4 and peripheral functions D12, TIOB10.
28	PE5	bidirectional	GPIO line PE5 with extra function AFE0_AD3 and peripheral functions D13, TCLK10.
29	VDDCORE	power_in	Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE.
30	VDDIO	power_in	Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation.
31	PB3	bidirectional	GPIO line PB3 with extra function AFE0_AD2/WKUP12 and peripheral functions CANRX0, PCK2, RTS0, ISI_D2.
32	PA21	bidirectional	GPIO line PA21 with extra function AFE0_AD1/PIODCEN2 and peripheral functions RXD1, PCK1, PWMC1_PWMFI0.
33	VDDCORE	power_in	Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE.
34	PD30	bidirectional	GPIO line PD30 with extra function AFE0_AD0 and peripheral functions UTXD3, ISI_D10.
35	PA7	bidirectional	Clock-type GPIO line PA7 whose extra function is XIN32 (32.768 kHz crystal oscillator input), with peripheral function PWMC0_PWMH3.
36	PA8	bidirectional	Clock-type GPIO line PA8 whose extra function is XOUT32 (32.768 kHz crystal oscillator output), with peripheral functions PWMC1_PWMH3, AFE0_ADTRG.
37	PA22	bidirectional	GPIO line PA22 with extra function PIODCCLK and peripheral functions RK, PWMC0_PWMEXTRG1, NCS2.
38	PC1	bidirectional	GPIO line PC1 with peripheral functions D1, PWMC0_PWML1.
39	PC2	bidirectional	GPIO line PC2 with peripheral functions D2, PWMC0_PWML2.
40	PC3	bidirectional	GPIO line PC3 with peripheral functions D3, PWMC0_PWML3.
41	PC4	bidirectional	GPIO line PC4 with peripheral function D4.
42	PA13	bidirectional	GPIO line PA13 with extra function PIODC7 and peripheral functions QIO0, PWMC0_PWMH2, PWMC1_PWML1.
43	VDDIO	power_in	Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation.
44	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
45	PA16	bidirectional	GPIO line PA16 with peripheral functions D15, TIOB1, PWMC0_PWML2, I2SC0_DI.
46	PA23	bidirectional	GPIO line PA23 with peripheral functions SCK1, PWMC0_PWMH0, A19, PWMC1_PWML2.
47	PD27	bidirectional	GPIO line PD27 with peripheral functions PWMC0_PWML3, SPI0_NPCS3, TWD2, ISI_D8.
48	PC7	bidirectional	GPIO line PC7 with peripheral functions D7, TCLK6.
49	PA15	bidirectional	GPIO line PA15 with peripheral functions D14, TIOA1, PWMC0_PWML3, I2SC0_WS.
50	VDDCORE	power_in	Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE.
51	PA14	bidirectional	Clock-type GPIO line PA14 with extra function WKUP8/PIODCEN1 and peripheral functions QSCK, PWMC0_PWMH3, PWMC1_PWMH1.
52	PD25	bidirectional	GPIO line PD25 with peripheral functions PWMC0_PWML1, SPI0_NPCS1, URXD2, ISI_VSYNC.
53	PD26	bidirectional	GPIO line PD26 with peripheral functions PWMC0_PWML2, TD, UTXD2, UTXD1.
54	PC6	bidirectional	GPIO line PC6 with peripheral functions D6, TIOB6.
55	PD24	bidirectional	GPIO line PD24 with peripheral functions PWMC0_PWML0, RF, TCLK11, ISI_HSYNC.
56	PA24	bidirectional	GPIO line PA24 with peripheral functions RTS1, PWMC0_PWMH1, A20, ISI_PCK.
57	PD23	bidirectional	Clock-type GPIO line PD23 with peripheral function PWMC0_PWMH3.
58	PC5	bidirectional	GPIO line PC5 with peripheral functions D5, TIOA6.
59	PA25	bidirectional	GPIO line PA25 with peripheral functions CTS1, PWMC0_PWMH2, A23, MCCK.
60	PD22	bidirectional	GPIO line PD22 with peripheral functions PWMC0_PWMH2, SPI0_SPCK, TIOB11, ISI_D0.
61	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
62	PA26	bidirectional	GPIO line PA26 with peripheral functions DCD1, TIOA2, MCDA2, PWMC1_PWMFI1.
63	PD21	bidirectional	GPIO line PD21 with peripheral functions PWMC0_PWMH1, SPI0_MOSI, TIOA11, ISI_D1.
64	PA11	bidirectional	GPIO line PA11 with extra function WKUP7/PIODC5 and peripheral functions QCS, PWMC0_PWMH0, PWMC1_PWML0.
65	PD20	bidirectional	GPIO line PD20 with peripheral functions PWMC0_PWMH0, SPI0_MISO, GTSUCOMP.
66	PA10	bidirectional	GPIO line PA10 with extra function PIODC4 and peripheral functions UTXD0, PWMC0_PWMEXTRG0, RD.
67	PD19	bidirectional	GPIO line PD19 with peripheral functions NCS3, CTS2, UTXD4.
68	PA12	bidirectional	GPIO line PA12 with extra function PIODC6 and peripheral functions QIO1, PWMC0_PWMH1, PWMC1_PWMH0.
69	PD18	bidirectional	GPIO line PD18 with peripheral functions NCS1/SDCS, RTS2, URXD4.
70	PA27	bidirectional	GPIO line PA27 with peripheral functions DTR1, TIOB2, MCDA3, ISI_D7.
71	PD28	bidirectional	GPIO line PD28 with extra function WKUP5 and peripheral functions URXD3, TWCK2, ISI_D9.
72	VDDIO	power_in	Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation.
73	PA5	bidirectional	GPIO line PA5 with extra function WKUP4/PIODC2 and peripheral functions PWMC1_PWML3, ISI_D4, URXD1.
74	PD17	bidirectional	GPIO line PD17 with peripheral functions GTXER, SCK2.
75	PA9	bidirectional	GPIO line PA9 with extra function WKUP6/PIODC3 and peripheral functions URXD0, ISI_D3, PWMC0_PWMFI0.
76	PC28	bidirectional	GPIO line PC28 with peripheral functions A10, TCLK4, SPI1_NPCS1.
77	PA4	bidirectional	GPIO line PA4 with extra function WKUP3/PIODC1 and peripheral functions TWCK0, TCLK0, UTXD1.
78	PD16	bidirectional	GPIO line PD16 with peripheral functions GTX3, TXD2.
79	PB6	bidirectional	GPIO line PB6 whose system I/O function is SWDIO/TMS, selected through CCFG_SYSIO.
80	VDDIO	power_in	Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation.
81	VDDCORE	power_in	Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE.
82	PC8	bidirectional	GPIO line PC8 with peripheral functions NWR0/NWE, TIOA7.
83	NRST	bidirectional	Active-low microcontroller reset input/output with pull-up enabled at reset, powered from VDDIO.
84	PD14	bidirectional	GPIO line PD14 with peripheral function GRXCK.
85	TST	input	Test select input with a permanent pulldown of about 15 kOhm to GND, used for JTAG boundary scan manufacturing test or Fast Flash Programming mode, and may be left unconnected in normal operation.
86	PC9	bidirectional	GPIO line PC9 with peripheral functions NANDOE, TIOB7.
87	PB12	bidirectional	GPIO line PB12 whose system I/O function is ERASE, with peripheral functions PWMC0_PWML1, GTSUCOMP, PCK0 and pulldown enabled at reset.
88	PD13	bidirectional	Clock-type GPIO line PD13 with peripheral function GCOL.
89	PB7	bidirectional	GPIO line PB7 whose system I/O function is SWCLK/TCK, selected through CCFG_SYSIO.
90	PC10	bidirectional	GPIO line PC10 with peripheral functions NANDWE, TCLK7.
91	PA3	bidirectional	GPIO line PA3 with extra function PIODC0 and peripheral functions TWD0, LONCOL1, PCK2.
92	PD12	bidirectional	GPIO line PD12 with peripheral functions GRX3, CANTX1, SPI0_NPCS2, ISI_D6.
93	PA2	bidirectional	GPIO line PA2 with extra function WKUP2 and peripheral functions PWMC0_PWMH1, DATRG.
94	PC11	bidirectional	GPIO line PC11 with peripheral functions NRD, TIOA8.
95	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
96	VDDIO	power_in	Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation.
97	PC14	bidirectional	GPIO line PC14 with peripheral functions NCS0, TCLK8, CANTX1.
98	PD11	bidirectional	GPIO line PD11 with peripheral functions GRX2, PWMC0_PWMH0, GTSUCOMP, ISI_D5.
99	PA1	bidirectional	GPIO line PA1 with extra function WKUP1 and peripheral functions PWMC0_PWML0, TIOB0, A18, I2SC0_CK.
100	PC16	bidirectional	GPIO line PC16 with peripheral function A21/NANDALE.
101	PD10	bidirectional	MLB-type GPIO line PD10 with peripheral functions GCRS, PWMC0_PWML0, TD, MLBSIG and pulldown enabled at reset.
102	PA0	bidirectional	GPIO line PA0 with extra function WKUP0 and peripheral functions PWMC0_PWMH0, TIOA0, A17, I2SC0_MCK.
103	PC17	bidirectional	GPIO line PC17 with peripheral function A22/NANDCLE.
104	JTAGSEL	input	JTAG selection input, active high, with a permanent pulldown of about 15 kOhm to GND, used to select JTAG boundary scan instead of SW-DP.
105	PB4	bidirectional	MLB-type GPIO line PB4 whose system I/O function is TDI, with peripheral functions TWD1, PWMC0_PWMH2, MLBCLK, TXD1.
106	PD15	bidirectional	GPIO line PD15 with peripheral functions GTX2, RXD2, NWR1/NBS1.
107	VDDCORE	power_in	Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE.
108	PD29	bidirectional	General-purpose GPIO line PD29 with no peripheral function listed in the table.
109	PB5	bidirectional	MLB-type GPIO line PB5 whose system I/O function is TDO/TRACESWO/WKUP13, with peripheral functions TWCK1, PWMC0_PWML0, MLBDAT, TD.
110	PD9	bidirectional	Clock-type GPIO line PD9 with peripheral functions GMDIO, PWMC0_PWMFI2, AFE1_ADTRG.
111	PC18	bidirectional	GPIO line PC18 with peripheral functions A0/NBS0, PWMC0_PWML1.
112	PA28	bidirectional	GPIO line PA28 with peripheral functions DSR1, TCLK1, MCCDA, PWMC1_PWMFI2.
113	PD8	bidirectional	Clock-type GPIO line PD8 with peripheral functions GMDC, PWMC0_PWMFI1, TRACECLK.
114	PA6	bidirectional	GPIO line PA6 with peripheral functions PCK0, UTXD1.
115	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
116	PA30	bidirectional	GPIO line PA30 with extra function WKUP11 and peripheral functions PWMC0_PWML2, PWMC1_PWMEXTRG0, MCDA0, I2SC0_DO.
117	PC19	bidirectional	GPIO line PC19 with peripheral functions A1, PWMC0_PWMH2.
118	PA31	bidirectional	GPIO line PA31 with peripheral functions SPI0_NPCS1, PCK2, MCDA1, PWMC1_PWMH2.
119	PD7	bidirectional	Clock-type GPIO line PD7 with peripheral functions GRXER, PWMC1_PWMH3, TRACED3, RI2.
120	PC20	bidirectional	GPIO line PC20 with peripheral functions A2, PWMC0_PWML2.
121	PD6	bidirectional	Clock-type GPIO line PD6 with peripheral functions GRX1, PWMC1_PWML3, TRACED2, DSR2.
122	PC21	bidirectional	GPIO line PC21 with peripheral functions A3, PWMC0_PWMH3.
123	VDDPLL	power_in	Powers the PLLA and the fast RC oscillator; noise sensitive and referenced to GNDPLL.
124	PC22	bidirectional	GPIO line PC22 with peripheral functions A4, PWMC0_PWML3.
125	PD5	bidirectional	Clock-type GPIO line PD5 with peripheral functions GRX0, PWMC1_PWMH2, TRACED1, DTR2.
126	PD4	bidirectional	Clock-type GPIO line PD4 with peripheral functions GRXDV, PWMC1_PWML2, TRACED0, DCD2.
127	PC23	bidirectional	GPIO line PC23 with peripheral functions A5, TIOA3.
128	PD3	bidirectional	GPIO line PD3 with peripheral functions GTX1, PWMC1_PWMH1, UTXD4, RI0.
129	PA29	bidirectional	GPIO line PA29 with peripheral functions RI1, TCLK2.
130	PC24	bidirectional	GPIO line PC24 with peripheral functions A6, TIOB3, SPI1_SPCK.
131	PD2	bidirectional	GPIO line PD2 with peripheral functions GTX0, PWMC1_PWML1, SPI1_NPCS3, DSR0.
132	PD1	bidirectional	GPIO line PD1 with peripheral functions GTXEN, PWMC1_PWMH0, SPI1_NPCS2, DTR0.
133	PC25	bidirectional	GPIO line PC25 with peripheral functions A7, TCLK3, SPI1_NPCS0.
134	VDDUTMII	power_in	Powers the USB transceiver interface; must be connected to VDDIO and be 3.0V to 3.6V for USB operation.
135	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
136	HSDM	bidirectional	USB high-speed data minus line, powered from VDDUTMII.
137	HSDP	bidirectional	USB high-speed data plus line, powered from VDDUTMII.
138	GND	power_in	Ground for the voltage regulator, core and peripheral I/O lines.
139	VDDUTMIC	power_in	Powers the USB transceiver core and must always be connected even if USB is not used.
140	VBG	input	Bandgap voltage reference pin of the device with no PIO function.
141	PB8	bidirectional	Clock-type GPIO line PB8 whose extra function is XOUT (main crystal oscillator output).
142	PB9	bidirectional	Clock-type GPIO line PB9 whose extra function is XIN (main crystal oscillator input).
143	VDDPLLUSB	power_in	Powers the UTMI PLL and the 3 to 20 MHz oscillator; noise sensitive and referenced to GNDPLLUSB.
144	PB13	bidirectional	GPIO line PB13 with extra function DAC0 (selected when DACC_CHER.CH0 is set) and peripheral functions PWMC0_PWML2, PCK0, SCK0.

Key specifications

Parameter	Value
Manufacturer	Microchip Tech
Package	LQFP-144(20x20)
Category	Embedded Processors & Controllers
Pins	144

CAD (KiCad official)

Symbol: ATSAME70Q20B-ANT
Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
3D model files: atsame70q20b-ant-etched.step / atsame70q20b-ant-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atsame70q20b-ant.step / atsame70q20b-ant.glb are the bare package body.

Provenance

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

Datasheet: Microchip Tech datasheet (1960 pp, sha256 6da3532edb313e70, retrieved 2026-10-28, 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

# ATSAME70Q20B-ANT

**Microchip Tech** · Pre-ordered MCUs · LQFP-144(20x20)

ATSAME70Q20B-ANT from Microchip Tech, in a LQFP-144(20x20). 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 | PD0 | bidirectional | GPIO line PD0 with extra function DAC1 (selected when DACC_CHER.CH1 is set) and peripheral functions GTXCK, PWMC1_PWML0, SPI1_NPCS1, DCD0. |
| 2 | PD31 | bidirectional | GPIO line PD31 with peripheral functions QIO3, UTXD3, PCK2, ISI_D11. |
| 3 | VDDOUT | power_out | Voltage regulator output; the schematic checklist shows it left unconnected when VDDCORE is supplied externally. |
| 4 | PE0 | bidirectional | GPIO line PE0 with extra function AFE1_AD11 and peripheral functions D8, TIOA9, I2SC1_WS. |
| 5 | VDDIN | power_in | Voltage regulator input, which also supplies the ADC, DAC and analog comparator; must be at the same level as VDDIO. |
| 6 | PE1 | bidirectional | GPIO line PE1 with peripheral functions D9, TIOB9, I2SC1_DO. |
| 7 | PE2 | bidirectional | GPIO line PE2 with peripheral functions D10, TCLK9, I2SC1_DI. |
| 8 | VREFN | input | Negative reference voltage input for the analog front end and DAC, referenced to GND. |
| 9 | VREFP | input | Positive reference voltage input for the analog front end and DAC; must rise simultaneously with VDDIO and VDDIN at powerup. |
| 10 | PE3 | bidirectional | GPIO line PE3 with extra function AFE1_AD10 and peripheral functions D11, TIOA10. |
| 11 | PC0 | bidirectional | GPIO line PC0 with extra function AFE1_AD9 and peripheral functions D0, PWMC0_PWML0. |
| 12 | PC27 | bidirectional | GPIO line PC27 with extra function AFE1_AD8 and peripheral functions A9, TIOB4, SPI1_MOSI. |
| 13 | PC26 | bidirectional | GPIO line PC26 with extra function AFE1_AD7 and peripheral functions A8, TIOA4, SPI1_MISO. |
| 14 | PC31 | bidirectional | GPIO line PC31 with extra function AFE1_AD6 and peripheral functions A13, TCLK5. |
| 15 | PC30 | bidirectional | GPIO line PC30 with extra function AFE1_AD5 and peripheral functions A12, TIOB5, SPI1_NPCS3. |
| 16 | PC29 | bidirectional | GPIO line PC29 with extra function AFE1_AD4 and peripheral functions A11, TIOA5, SPI1_NPCS2. |
| 17 | PC12 | bidirectional | GPIO line PC12 with extra function AFE1_AD3 and peripheral functions NCS3, TIOB8, CANRX1. |
| 18 | PC15 | bidirectional | GPIO line PC15 with extra function AFE1_AD2 and peripheral functions NCS1/SDCS, PWMC0_PWML3. |
| 19 | PC13 | bidirectional | GPIO line PC13 with extra function AFE1_AD1 and peripheral functions NWAIT, PWMC0_PWMH3. |
| 20 | PB1 | bidirectional | GPIO line PB1 with extra function AFE1_AD0/RTCOUT1 and peripheral functions PWMC0_PWMH1, GTSUCOMP, TXD0, TK. |
| 21 | PB0 | bidirectional | GPIO line PB0 with extra function AFE0_AD10/RTCOUT0 and peripheral functions PWMC0_PWMH0, RXD0, TF. |
| 22 | PA20 | bidirectional | GPIO line PA20 with extra function AFE0_AD9/WKUP10 and peripheral functions PWMC0_PWML1, A16, I2SC1_CK. |
| 23 | PA19 | bidirectional | GPIO line PA19 with extra function AFE0_AD8/WKUP9 and peripheral functions PWMC0_PWML0, A15, I2SC1_MCK. |
| 24 | PA18 | bidirectional | GPIO line PA18 with extra function AFE0_AD7 and peripheral functions PWMC1_PWMEXTRG1, PCK2, A14. |
| 25 | PA17 | bidirectional | GPIO line PA17 with extra function AFE0_AD6 and peripheral functions QIO2, PCK1, PWMC0_PWMH3. |
| 26 | PB2 | bidirectional | GPIO line PB2 with extra function AFE0_AD5 and peripheral functions CANTX0, CTS0, SPI0_NPCS0. |
| 27 | PE4 | bidirectional | GPIO line PE4 with extra function AFE0_AD4 and peripheral functions D12, TIOB10. |
| 28 | PE5 | bidirectional | GPIO line PE5 with extra function AFE0_AD3 and peripheral functions D13, TCLK10. |
| 29 | VDDCORE | power_in | Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE. |
| 30 | VDDIO | power_in | Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation. |
| 31 | PB3 | bidirectional | GPIO line PB3 with extra function AFE0_AD2/WKUP12 and peripheral functions CANRX0, PCK2, RTS0, ISI_D2. |
| 32 | PA21 | bidirectional | GPIO line PA21 with extra function AFE0_AD1/PIODCEN2 and peripheral functions RXD1, PCK1, PWMC1_PWMFI0. |
| 33 | VDDCORE | power_in | Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE. |
| 34 | PD30 | bidirectional | GPIO line PD30 with extra function AFE0_AD0 and peripheral functions UTXD3, ISI_D10. |
| 35 | PA7 | bidirectional | Clock-type GPIO line PA7 whose extra function is XIN32 (32.768 kHz crystal oscillator input), with peripheral function PWMC0_PWMH3. |
| 36 | PA8 | bidirectional | Clock-type GPIO line PA8 whose extra function is XOUT32 (32.768 kHz crystal oscillator output), with peripheral functions PWMC1_PWMH3, AFE0_ADTRG. |
| 37 | PA22 | bidirectional | GPIO line PA22 with extra function PIODCCLK and peripheral functions RK, PWMC0_PWMEXTRG1, NCS2. |
| 38 | PC1 | bidirectional | GPIO line PC1 with peripheral functions D1, PWMC0_PWML1. |
| 39 | PC2 | bidirectional | GPIO line PC2 with peripheral functions D2, PWMC0_PWML2. |
| 40 | PC3 | bidirectional | GPIO line PC3 with peripheral functions D3, PWMC0_PWML3. |
| 41 | PC4 | bidirectional | GPIO line PC4 with peripheral function D4. |
| 42 | PA13 | bidirectional | GPIO line PA13 with extra function PIODC7 and peripheral functions QIO0, PWMC0_PWMH2, PWMC1_PWML1. |
| 43 | VDDIO | power_in | Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation. |
| 44 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 45 | PA16 | bidirectional | GPIO line PA16 with peripheral functions D15, TIOB1, PWMC0_PWML2, I2SC0_DI. |
| 46 | PA23 | bidirectional | GPIO line PA23 with peripheral functions SCK1, PWMC0_PWMH0, A19, PWMC1_PWML2. |
| 47 | PD27 | bidirectional | GPIO line PD27 with peripheral functions PWMC0_PWML3, SPI0_NPCS3, TWD2, ISI_D8. |
| 48 | PC7 | bidirectional | GPIO line PC7 with peripheral functions D7, TCLK6. |
| 49 | PA15 | bidirectional | GPIO line PA15 with peripheral functions D14, TIOA1, PWMC0_PWML3, I2SC0_WS. |
| 50 | VDDCORE | power_in | Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE. |
| 51 | PA14 | bidirectional | Clock-type GPIO line PA14 with extra function WKUP8/PIODCEN1 and peripheral functions QSCK, PWMC0_PWMH3, PWMC1_PWMH1. |
| 52 | PD25 | bidirectional | GPIO line PD25 with peripheral functions PWMC0_PWML1, SPI0_NPCS1, URXD2, ISI_VSYNC. |
| 53 | PD26 | bidirectional | GPIO line PD26 with peripheral functions PWMC0_PWML2, TD, UTXD2, UTXD1. |
| 54 | PC6 | bidirectional | GPIO line PC6 with peripheral functions D6, TIOB6. |
| 55 | PD24 | bidirectional | GPIO line PD24 with peripheral functions PWMC0_PWML0, RF, TCLK11, ISI_HSYNC. |
| 56 | PA24 | bidirectional | GPIO line PA24 with peripheral functions RTS1, PWMC0_PWMH1, A20, ISI_PCK. |
| 57 | PD23 | bidirectional | Clock-type GPIO line PD23 with peripheral function PWMC0_PWMH3. |
| 58 | PC5 | bidirectional | GPIO line PC5 with peripheral functions D5, TIOA6. |
| 59 | PA25 | bidirectional | GPIO line PA25 with peripheral functions CTS1, PWMC0_PWMH2, A23, MCCK. |
| 60 | PD22 | bidirectional | GPIO line PD22 with peripheral functions PWMC0_PWMH2, SPI0_SPCK, TIOB11, ISI_D0. |
| 61 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 62 | PA26 | bidirectional | GPIO line PA26 with peripheral functions DCD1, TIOA2, MCDA2, PWMC1_PWMFI1. |
| 63 | PD21 | bidirectional | GPIO line PD21 with peripheral functions PWMC0_PWMH1, SPI0_MOSI, TIOA11, ISI_D1. |
| 64 | PA11 | bidirectional | GPIO line PA11 with extra function WKUP7/PIODC5 and peripheral functions QCS, PWMC0_PWMH0, PWMC1_PWML0. |
| 65 | PD20 | bidirectional | GPIO line PD20 with peripheral functions PWMC0_PWMH0, SPI0_MISO, GTSUCOMP. |
| 66 | PA10 | bidirectional | GPIO line PA10 with extra function PIODC4 and peripheral functions UTXD0, PWMC0_PWMEXTRG0, RD. |
| 67 | PD19 | bidirectional | GPIO line PD19 with peripheral functions NCS3, CTS2, UTXD4. |
| 68 | PA12 | bidirectional | GPIO line PA12 with extra function PIODC6 and peripheral functions QIO1, PWMC0_PWMH1, PWMC1_PWMH0. |
| 69 | PD18 | bidirectional | GPIO line PD18 with peripheral functions NCS1/SDCS, RTS2, URXD4. |
| 70 | PA27 | bidirectional | GPIO line PA27 with peripheral functions DTR1, TIOB2, MCDA3, ISI_D7. |
| 71 | PD28 | bidirectional | GPIO line PD28 with extra function WKUP5 and peripheral functions URXD3, TWCK2, ISI_D9. |
| 72 | VDDIO | power_in | Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation. |
| 73 | PA5 | bidirectional | GPIO line PA5 with extra function WKUP4/PIODC2 and peripheral functions PWMC1_PWML3, ISI_D4, URXD1. |
| 74 | PD17 | bidirectional | GPIO line PD17 with peripheral functions GTXER, SCK2. |
| 75 | PA9 | bidirectional | GPIO line PA9 with extra function WKUP6/PIODC3 and peripheral functions URXD0, ISI_D3, PWMC0_PWMFI0. |
| 76 | PC28 | bidirectional | GPIO line PC28 with peripheral functions A10, TCLK4, SPI1_NPCS1. |
| 77 | PA4 | bidirectional | GPIO line PA4 with extra function WKUP3/PIODC1 and peripheral functions TWCK0, TCLK0, UTXD1. |
| 78 | PD16 | bidirectional | GPIO line PD16 with peripheral functions GTX3, TXD2. |
| 79 | PB6 | bidirectional | GPIO line PB6 whose system I/O function is SWDIO/TMS, selected through CCFG_SYSIO. |
| 80 | VDDIO | power_in | Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation. |
| 81 | VDDCORE | power_in | Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE. |
| 82 | PC8 | bidirectional | GPIO line PC8 with peripheral functions NWR0/NWE, TIOA7. |
| 83 | NRST | bidirectional | Active-low microcontroller reset input/output with pull-up enabled at reset, powered from VDDIO. |
| 84 | PD14 | bidirectional | GPIO line PD14 with peripheral function GRXCK. |
| 85 | TST | input | Test select input with a permanent pulldown of about 15 kOhm to GND, used for JTAG boundary scan manufacturing test or Fast Flash Programming mode, and may be left unconnected in normal operation. |
| 86 | PC9 | bidirectional | GPIO line PC9 with peripheral functions NANDOE, TIOB7. |
| 87 | PB12 | bidirectional | GPIO line PB12 whose system I/O function is ERASE, with peripheral functions PWMC0_PWML1, GTSUCOMP, PCK0 and pulldown enabled at reset. |
| 88 | PD13 | bidirectional | Clock-type GPIO line PD13 with peripheral function GCOL. |
| 89 | PB7 | bidirectional | GPIO line PB7 whose system I/O function is SWCLK/TCK, selected through CCFG_SYSIO. |
| 90 | PC10 | bidirectional | GPIO line PC10 with peripheral functions NANDWE, TCLK7. |
| 91 | PA3 | bidirectional | GPIO line PA3 with extra function PIODC0 and peripheral functions TWD0, LONCOL1, PCK2. |
| 92 | PD12 | bidirectional | GPIO line PD12 with peripheral functions GRX3, CANTX1, SPI0_NPCS2, ISI_D6. |
| 93 | PA2 | bidirectional | GPIO line PA2 with extra function WKUP2 and peripheral functions PWMC0_PWMH1, DATRG. |
| 94 | PC11 | bidirectional | GPIO line PC11 with peripheral functions NRD, TIOA8. |
| 95 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 96 | VDDIO | power_in | Powers the peripheral I/O lines, backup part, backup SRAM and 32 kHz oscillator; must be between 3.0V and 3.6V for USB operation. |
| 97 | PC14 | bidirectional | GPIO line PC14 with peripheral functions NCS0, TCLK8, CANTX1. |
| 98 | PD11 | bidirectional | GPIO line PD11 with peripheral functions GRX2, PWMC0_PWMH0, GTSUCOMP, ISI_D5. |
| 99 | PA1 | bidirectional | GPIO line PA1 with extra function WKUP1 and peripheral functions PWMC0_PWML0, TIOB0, A18, I2SC0_CK. |
| 100 | PC16 | bidirectional | GPIO line PC16 with peripheral function A21/NANDALE. |
| 101 | PD10 | bidirectional | MLB-type GPIO line PD10 with peripheral functions GCRS, PWMC0_PWML0, TD, MLBSIG and pulldown enabled at reset. |
| 102 | PA0 | bidirectional | GPIO line PA0 with extra function WKUP0 and peripheral functions PWMC0_PWMH0, TIOA0, A17, I2SC0_MCK. |
| 103 | PC17 | bidirectional | GPIO line PC17 with peripheral function A22/NANDCLE. |
| 104 | JTAGSEL | input | JTAG selection input, active high, with a permanent pulldown of about 15 kOhm to GND, used to select JTAG boundary scan instead of SW-DP. |
| 105 | PB4 | bidirectional | MLB-type GPIO line PB4 whose system I/O function is TDI, with peripheral functions TWD1, PWMC0_PWMH2, MLBCLK, TXD1. |
| 106 | PD15 | bidirectional | GPIO line PD15 with peripheral functions GTX2, RXD2, NWR1/NBS1. |
| 107 | VDDCORE | power_in | Powers the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE. |
| 108 | PD29 | bidirectional | General-purpose GPIO line PD29 with no peripheral function listed in the table. |
| 109 | PB5 | bidirectional | MLB-type GPIO line PB5 whose system I/O function is TDO/TRACESWO/WKUP13, with peripheral functions TWCK1, PWMC0_PWML0, MLBDAT, TD. |
| 110 | PD9 | bidirectional | Clock-type GPIO line PD9 with peripheral functions GMDIO, PWMC0_PWMFI2, AFE1_ADTRG. |
| 111 | PC18 | bidirectional | GPIO line PC18 with peripheral functions A0/NBS0, PWMC0_PWML1. |
| 112 | PA28 | bidirectional | GPIO line PA28 with peripheral functions DSR1, TCLK1, MCCDA, PWMC1_PWMFI2. |
| 113 | PD8 | bidirectional | Clock-type GPIO line PD8 with peripheral functions GMDC, PWMC0_PWMFI1, TRACECLK. |
| 114 | PA6 | bidirectional | GPIO line PA6 with peripheral functions PCK0, UTXD1. |
| 115 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 116 | PA30 | bidirectional | GPIO line PA30 with extra function WKUP11 and peripheral functions PWMC0_PWML2, PWMC1_PWMEXTRG0, MCDA0, I2SC0_DO. |
| 117 | PC19 | bidirectional | GPIO line PC19 with peripheral functions A1, PWMC0_PWMH2. |
| 118 | PA31 | bidirectional | GPIO line PA31 with peripheral functions SPI0_NPCS1, PCK2, MCDA1, PWMC1_PWMH2. |
| 119 | PD7 | bidirectional | Clock-type GPIO line PD7 with peripheral functions GRXER, PWMC1_PWMH3, TRACED3, RI2. |
| 120 | PC20 | bidirectional | GPIO line PC20 with peripheral functions A2, PWMC0_PWML2. |
| 121 | PD6 | bidirectional | Clock-type GPIO line PD6 with peripheral functions GRX1, PWMC1_PWML3, TRACED2, DSR2. |
| 122 | PC21 | bidirectional | GPIO line PC21 with peripheral functions A3, PWMC0_PWMH3. |
| 123 | VDDPLL | power_in | Powers the PLLA and the fast RC oscillator; noise sensitive and referenced to GNDPLL. |
| 124 | PC22 | bidirectional | GPIO line PC22 with peripheral functions A4, PWMC0_PWML3. |
| 125 | PD5 | bidirectional | Clock-type GPIO line PD5 with peripheral functions GRX0, PWMC1_PWMH2, TRACED1, DTR2. |
| 126 | PD4 | bidirectional | Clock-type GPIO line PD4 with peripheral functions GRXDV, PWMC1_PWML2, TRACED0, DCD2. |
| 127 | PC23 | bidirectional | GPIO line PC23 with peripheral functions A5, TIOA3. |
| 128 | PD3 | bidirectional | GPIO line PD3 with peripheral functions GTX1, PWMC1_PWMH1, UTXD4, RI0. |
| 129 | PA29 | bidirectional | GPIO line PA29 with peripheral functions RI1, TCLK2. |
| 130 | PC24 | bidirectional | GPIO line PC24 with peripheral functions A6, TIOB3, SPI1_SPCK. |
| 131 | PD2 | bidirectional | GPIO line PD2 with peripheral functions GTX0, PWMC1_PWML1, SPI1_NPCS3, DSR0. |
| 132 | PD1 | bidirectional | GPIO line PD1 with peripheral functions GTXEN, PWMC1_PWMH0, SPI1_NPCS2, DTR0. |
| 133 | PC25 | bidirectional | GPIO line PC25 with peripheral functions A7, TCLK3, SPI1_NPCS0. |
| 134 | VDDUTMII | power_in | Powers the USB transceiver interface; must be connected to VDDIO and be 3.0V to 3.6V for USB operation. |
| 135 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 136 | HSDM | bidirectional | USB high-speed data minus line, powered from VDDUTMII. |
| 137 | HSDP | bidirectional | USB high-speed data plus line, powered from VDDUTMII. |
| 138 | GND | power_in | Ground for the voltage regulator, core and peripheral I/O lines. |
| 139 | VDDUTMIC | power_in | Powers the USB transceiver core and must always be connected even if USB is not used. |
| 140 | VBG | input | Bandgap voltage reference pin of the device with no PIO function. |
| 141 | PB8 | bidirectional | Clock-type GPIO line PB8 whose extra function is XOUT (main crystal oscillator output). |
| 142 | PB9 | bidirectional | Clock-type GPIO line PB9 whose extra function is XIN (main crystal oscillator input). |
| 143 | VDDPLLUSB | power_in | Powers the UTMI PLL and the 3 to 20 MHz oscillator; noise sensitive and referenced to GNDPLLUSB. |
| 144 | PB13 | bidirectional | GPIO line PB13 with extra function DAC0 (selected when DACC_CHER.CH0 is set) and peripheral functions PWMC0_PWML2, PCK0, SCK0. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | LQFP-144(20x20) |
| Category | Embedded Processors & Controllers |
| Pins | 144 |

## CAD (KiCad official)

- Symbol: `ATSAME70Q20B-ANT`
- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`
- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
- 3D model files: `atsame70q20b-ant-etched.step` / `atsame70q20b-ant-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `atsame70q20b-ant.step` / `atsame70q20b-ant.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Microchip Tech datasheet](docs/atsame70q20b-ant-datasheet.pdf) (1960 pp, sha256 `6da3532edb313e70`, retrieved 2026-10-28, 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](docs/atsame70q20b-ant-datasheet.pdf)