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ATSAM4S2BA-AUR
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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
ATSAM4S2BA-AUR
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)
ATSAM4S2BA-AUR from Microchip Tech, in a LQFP-64(10x10). 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 | ADVREF | passive | Reference voltage input shared by the ADC, DAC and analog comparator. |
| 2 | GND | power_in | Ground pin. |
| 3 | PB0/AD4 | bidirectional | PIOB line 0, multiplexed with ADC analog input AD4 and RTCOUT0 (Table 42-3). |
| 4 | PB1/AD5 | bidirectional | PIOB line 1, multiplexed with ADC analog input AD5 and RTCOUT1 (Table 42-3). |
| 5 | PB2/AD6 | bidirectional | PIOB line 2, multiplexed with ADC analog input AD6 and wake-up input WKUP12 (Table 42-3). |
| 6 | PB3/AD7 | bidirectional | PIOB line 3, multiplexed with ADC analog input AD7 (Table 42-3). |
| 7 | VDDIN | power_in | Voltage regulator input and supply for the ADC, DAC and analog comparator, 1.62 V to 3.6 V. |
| 8 | VDDOUT | power_out | Output of the internal voltage regulator; its output voltage and capacitor requirements are not given in the extracted text. |
| 9 | PA17/PGMD5/AD0 | bidirectional | PIOA line 17, multiplexed with FFPI programming data PGMD5 and ADC analog input AD0. |
| 10 | PA18/PGMD6/AD1 | bidirectional | PIOA line 18, multiplexed with FFPI programming data PGMD6 and ADC analog input AD1. |
| 11 | PA21/PGMD9/AD8 | bidirectional | PIOA line 21, multiplexed with FFPI programming data PGMD9 and ADC analog input AD8. |
| 12 | VDDCORE | power_in | Core supply powering the core, the first Flash rail and the embedded memories and peripherals, 1.08 V to 1.32 V. |
| 13 | PA19/PGMD7/AD2 | bidirectional | PIOA line 19, multiplexed with FFPI programming data PGMD7 and ADC analog input AD2 (WKUP9). |
| 14 | PA22/PGMD10/AD9 | bidirectional | PIOA line 22, multiplexed with FFPI programming data PGMD10 and ADC analog input AD9. |
| 15 | PA23/PGMD11 | bidirectional | PIOA line 23, multiplexed with FFPI programming data PGMD11. |
| 16 | PA20/PGMD8/AD3 | bidirectional | PIOA line 20, multiplexed with FFPI programming data PGMD8 and ADC analog input AD3 (WKUP10). |
| 17 | GND | power_in | Ground pin. |
| 18 | VDDIO | power_in | Supply for the peripheral I/O lines, USB transceiver, backup part and 32 kHz oscillator, 1.62 V to 3.6 V. |
| 19 | PA16/PGMD4 | bidirectional | PIOA line 16, multiplexed with FFPI programming data PGMD4. |
| 20 | PA15/PGMD3 | bidirectional | PIOA line 15, multiplexed with FFPI programming data PGMD3. |
| 21 | PA14/PGMD2 | bidirectional | PIOA line 14, multiplexed with FFPI programming data PGMD2 and SPI SPCK on peripheral A (Table 33-2). |
| 22 | PA13/PGMD1 | bidirectional | PIOA line 13, multiplexed with FFPI programming data PGMD1 and SPI MOSI on peripheral A (Table 33-2). |
| 23 | PA24/PGMD12 | bidirectional | PIOA line 24, multiplexed with FFPI programming data PGMD12. |
| 24 | VDDCORE | power_in | Core supply powering the core, the first Flash rail and the embedded memories and peripherals, 1.08 V to 1.32 V. |
| 25 | PA25/PGMD13 | bidirectional | PIOA line 25, multiplexed with FFPI programming data PGMD13. |
| 26 | PA26/PGMD14 | bidirectional | PIOA line 26, multiplexed with FFPI programming data PGMD14 and HSMCI MCDA2 on peripheral C (Table 38-2). |
| 27 | PA12/PGMD0 | bidirectional | PIOA line 12, multiplexed with FFPI programming data PGMD0 and SPI MISO on peripheral A (Table 33-2). |
| 28 | PA11/PGMM3 | bidirectional | PIOA line 11, multiplexed with FFPI programming mode input PGMM3 and SPI NPCS0 on peripheral A (Table 33-2). |
| 29 | PA10/PGMM2 | bidirectional | PIOA line 10, multiplexed with FFPI programming mode input PGMM2 and UART0 UTXD0 on peripheral A (Table 35-2). |
| 30 | PA9/PGMM1 | bidirectional | PIOA line 9, multiplexed with FFPI programming mode input PGMM1 and UART0 URXD0 on peripheral A (Table 35-2). |
| 31 | PA8/XOUT32/PGMM0 | bidirectional | PIOA line 8, multiplexed with the 32 kHz crystal oscillator output XOUT32 and FFPI programming mode input PGMM0. |
| 32 | PA7/XIN32/PGMNVALID | bidirectional | PIOA line 7, multiplexed with the 32 kHz crystal oscillator input XIN32 and the FFPI data direction output PGMNVALID. |
| 33 | TDI/PB4 | bidirectional | JTAG test data input TDI, multiplexed with PIOB line 4; per the errata its input low level minimum is 0 V. |
| 34 | PA6/PGMNOE | bidirectional | PIOA line 6, multiplexed with the FFPI programming read input PGMNOE (active low). |
| 35 | PA5/PGMRDY | bidirectional | PIOA line 5, multiplexed with the FFPI programming ready output PGMRDY (active high). |
| 36 | PA4/PGMNCMD | bidirectional | PIOA line 4, multiplexed with the FFPI programming command input PGMNCMD (active low). |
| 37 | PA27/PGMD15 | bidirectional | PIOA line 27, multiplexed with FFPI programming data PGMD15 and HSMCI MCDA3 on peripheral C (Table 38-2). |
| 38 | PA28 | bidirectional | PIOA line 28, general-purpose I/O that also carries TC0 TCLK1 on peripheral B and HSMCI MCCDA on peripheral C. |
| 39 | NRST | bidirectional | Microcontroller reset, active low, configured as an input/output. |
| 40 | TST | input | Test select pin; low at power-up selects normal operation and high selects test or FFPI mode, with an integrated pull-down of about 15 kΩ. |
| 41 | PA29 | bidirectional | PIOA line 29, multiplexed with TC0 TCLK2 on peripheral B and HSMCI MCCK on peripheral C (Tables 37-4, 38-2). |
| 42 | PA30 | bidirectional | PIOA line 30, multiplexed with HSMCI MCDA0 on peripheral C and SPI NPCS2 on peripheral B (Tables 33-2, 38-2). |
| 43 | PA3 | bidirectional | PIOA line 3, multiplexed with SPI NPCS3 on peripheral B (Table 33-2). |
| 44 | PA2/PGMEN2 | bidirectional | PIOA line 2, multiplexed with FFPI programming enable input PGMEN2. |
| 45 | VDDIO | power_in | Supply for the peripheral I/O lines, USB transceiver, backup part and 32 kHz oscillator, 1.62 V to 3.6 V. |
| 46 | GND | power_in | Ground pin. |
| 47 | PA1/PGMEN1 | bidirectional | PIOA line 1, multiplexed with FFPI programming enable input PGMEN1. |
| 48 | PA0/PGMEN0 | bidirectional | PIOA line 0, multiplexed with FFPI programming enable input PGMEN0. |
| 49 | TDO/TRACESWO/PB5 | bidirectional | JTAG test data output TDO, multiplexed with SWD asynchronous trace output TRACESWO and PIOB line 5; when not in debug mode the pin is an input and its pull-up must be enabled to avoid floating-input current. |
| 50 | JTAGSEL | input | Active-high JTAG selection input; it must be high at power-up for boundary scan, and low selects SW-DP or JTAG-DP debug. |
| 51 | TMS/SWDIO/PB6 | bidirectional | JTAG test mode select TMS, SWD bidirectional data SWDIO, multiplexed with PIOB line 6. |
| 52 | PA31 | bidirectional | PIOA line 31, multiplexed with HSMCI MCDA1 on peripheral C and SPI NPCS1 on peripheral A (Tables 33-2, 38-2). |
| 53 | TCK/SWCLK/PB7 | bidirectional | JTAG test clock TCK, SWD clock SWCLK, multiplexed with PIOB line 7. |
| 54 | VDDCORE | power_in | Core supply powering the core, the first Flash rail and the embedded memories and peripherals, 1.08 V to 1.32 V. |
| 55 | ERASE/PB12 | bidirectional | ERASE pin multiplexed with PIOB line 12; the erase behavior is defined in Section 6.5, which is not in the extracted text. |
| 56 | DDM/PB10 | bidirectional | USB Full Speed data minus, multiplexed with PIOB line 10; it resets in USB mode with an internal pull-down. |
| 57 | DDP/PB11 | bidirectional | USB Full Speed data plus, multiplexed with PIOB line 11. |
| 58 | VDDIO | power_in | Supply for the peripheral I/O lines, USB transceiver, backup part and 32 kHz oscillator, 1.62 V to 3.6 V. |
| 59 | PB13/DAC0 | bidirectional | PIOB line 13, multiplexed with the 12-bit DAC analog output DAC0. |
| 60 | GND | power_in | Ground pin. |
| 61 | XOUT/PB8 | bidirectional | Output of the 3 to 20 MHz crystal oscillator, multiplexed with PIOB line 8. |
| 62 | XIN/PGMCK/PB9 | bidirectional | Input of the 3 to 20 MHz crystal oscillator, multiplexed with FFPI programming clock PGMCK and PIOB line 9. |
| 63 | PB14/DAC1 | bidirectional | PIOB line 14, multiplexed with the 12-bit DAC analog output DAC1. |
| 64 | VDDPLL | power_in | Supply for PLLA, PLLB, the fast RC oscillator and the 3 to 20 MHz oscillator, 1.08 V to 1.32 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | LQFP-64(10x10) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 64 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Core power supply (VDDCORE) voltage range | VDDCORE | 1.08 | 1.32 | V | 27 | ||
| I/O power supply (VDDIO) voltage range | VDDIO | 1.62 | 3.6 | V | 27 | ||
| VDDIO minimum for USB operation | VDDIO | 3 | V | For USB, VDDIO needs to be greater than 3.0V | 29 | ||
| Voltage regulator input / ADC-DAC-ACC supply (VDDIN) voltage range | VDDIN | 1.62 | 3.6 | V | 27 | ||
| VDDIN minimum for ADC, DAC and analog comparator | VDDIN | 2.4 | V | For ADC, DAC and Analog Comparator, VDDIN needs to be greater than 2.4V | 29 | ||
| PLL / fast RC / 3-20 MHz oscillator supply (VDDPLL) voltage range | VDDPLL | 1.08 | 1.32 | V | 27 | ||
| VDDIO rising slope when VDDCORE rises together with VDDIO | 8.8 | V/ms | VDDCORE rising at the same time as VDDIO | 27 | |||
| Voltage regulator static current, Normal mode | 500 | µA | Internal voltage regulator, Normal mode, static current | 28 | |||
| Voltage regulator output current, Normal mode | 80 | mA | Internal voltage regulator, Normal mode | 28 | |||
| Voltage regulator quiescent current, Wait mode | 5 | µA | Internal voltage regulator, Wait mode | 28 | |||
| Voltage regulator current consumption, Backup mode | 1 | µA | Internal voltage regulator in Backup mode | 28 | |||
| Voltage regulator default output voltage | VDDOUT | 1.2 | V | Default output voltage | 28 | ||
| Voltage regulator start-up time to Normal mode | 300 | µs | Start-up time to reach Normal mode | 28 | |||
| VDDIO supply monitor threshold range | 1.6 | 3.4 | V | VDDIO supply monitor, programmable threshold in 16 steps | 49 | ||
| Low-power RC slow clock oscillator frequency | 22 | 42 | kHz | Low-power RC oscillator selected as slow clock source | 328 | ||
| Maximum operating speed (Cortex-M4 core) | 120 | MHz | 1 | ||||
| Minimum frequency for Flash write commands | 330 | kHz | Write commands of the Flash cannot be used under this frequency | 42 | |||
| HSMCI (MCK/2) pad maximum frequency | 70 | MHz | High-speed pads, HSMCI (MCK/2) | 35 | |||
| SPI clock pad maximum frequency | 70 | MHz | High-speed pads, SPI clock lines | 35 | |||
| Other I/O lines pad maximum frequency | 46 | MHz | High-speed pads, other lines | 35 | |||
| NRST internal pull-up resistor | 100 | kΩ | Permanent pull-up to VDDIO, about 100 kΩ | 36 | |||
| ERASE pin internal pull-down resistor | 100 | kΩ | Permanent pull-down to GND, about 100 kΩ | 37 | |||
| TST pin internal pull-down resistor | 15 | kΩ | Permanent pull-down to GND, about 15 kΩ | 37 | |||
| JTAGSEL internal pull-down resistor | 15 | kΩ | Permanent pull-down to GND, about 15 kΩ | 36 | |||
| Typical I/O pull-up and pull-down resistor | 100 | kΩ | Typical pull-up and pull-down value for all I/Os | 35 | |||
| On-die termination (ODT) series resistance | 36 | Ω | Typical value, on-die termination | 35 |
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 | PC | before performing the calculation, making the base address for the calculation word-aligned. ̶ Note: To generate the address of an instruction, the constant based on the value of the PC must be | 118 |
CAD (KiCad official)
- Symbol:
ATSAM4S2BA-AUR - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
atsam4s2ba-aur-etched.step/atsam4s2ba-aur-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atsam4s2ba-aur.step/atsam4s2ba-aur.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (1269 pp, sha256
81933a4a6178f5b3, retrieved 2026-11-13, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).