# ATSAML10D14A-MF

**Microchip Tech** · Pre-ordered MCUs · WQFN-24-EP(4x4)

ATSAML10D14A-MF from Microchip Tech, in a WQFN-24-EP(4x4). 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 | PA31/SWDIO | bidirectional | High Sink GPIO on VDDIO with EXTINT[7], XY[19], SERCOM1/PAD[3], TC1/WO[1] and CCL OUT[1] functions, and SWDIO serial wire debug data. |
| 2 | PA00/XIN32 | bidirectional | GPIO on VDDANA with EXTINT[0], XY[0], OA1NEG, SERCOM1/PAD[0], TC2/WO[0], also XIN32 32.768 kHz crystal oscillator input or external clock input. |
| 3 | PA01/XOUT32 | bidirectional | GPIO on VDDANA with EXTINT[1], XY[1], OA1POS, SERCOM1/PAD[1], TC2/WO[1], also XOUT32 32.768 kHz crystal oscillator output. |
| 4 | PA02 | bidirectional | GPIO on VDDANA with EXTINT[2], ADC AIN[0], XY[2], DAC VOUT, OA0NEG and SERCOM0/PAD[2]; transition time must exceed 50 us to avoid affecting XOSC32 jitter. |
| 5 | PA03 | bidirectional | GPIO on VDDANA with EXTINT[3], VREFA external reference, ADC AIN[1], XY[3], OA2NEG and SERCOM0/PAD[3]. |
| 6 | PA04 | bidirectional | GPIO on VDDANA with EXTINT[4], VREFB external reference, ADC AIN[2], AC AIN[0], OA2OUT, SERCOM0/PAD[0], TC0/WO[0] and CCL IN[0]. |
| 7 | PA05 | bidirectional | GPIO on VDDANA with EXTINT[5], ADC AIN[3], AC AIN[1], XY[4], OA2POS, SERCOM0/PAD[1], TC0/WO[1] and CCL IN[1]. |
| 8 | VDDANA | power_in | Analog supply, 1.62V to 3.63V, must be the same voltage as VDDIO, with 100 nF and 10 uF decoupling suggested. |
| 9 | GNDANA | power_in | Ground for the analog power domain. |
| 10 | PA08 | bidirectional | GPIO on VDDIO with NMI, ADC AIN[6], XY[6], SERCOM1/PAD[0], SERCOM2/PAD[0], RTC/IN[0] and CCL IN[3]. |
| 11 | PA14/XIN | bidirectional | GPIO on VDDIO with EXTINT[3], XY[10], SERCOM0/PAD[2], TC0/WO[0], GCLK_IO[0], also XIN crystal oscillator input or external clock input. |
| 12 | PA15/XOUT | bidirectional | GPIO on VDDIO with EXTINT[4], XY[11], SERCOM0/PAD[3], TC0/WO[1], GCLK_IO[1], also XOUT crystal oscillator output. |
| 13 | PA16 | bidirectional | High Sink GPIO on VDDIO with EXTINT[5], XY[12], SERCOM1/PAD[0], SERCOM0/PAD[0], RTC/IN[2], GCLK_IO[2] and CCL IN[0]. |
| 14 | PA17 | bidirectional | High Sink GPIO on VDDIO with EXTINT[6], XY[13], SERCOM1/PAD[1], SERCOM0/PAD[1], RTC/IN[3], GCLK_IO[3] and CCL IN[1]. |
| 15 | PA18 | bidirectional | GPIO on VDDIO with EXTINT[7], XY[14], SERCOM1/PAD[2], SERCOM0/PAD[2], TC2/WO[0], RTC/OUT[0], AC/CMP[0] and CCL IN[2]. |
| 16 | PA19 | bidirectional | GPIO on VDDIO with EXTINT[0], XY[15], SERCOM1/PAD[3], SERCOM0/PAD[3], TC2/WO[1], RTC/OUT[1], AC/CMP[1] and CCL OUT[0]. |
| 17 | PA22 | bidirectional | High Sink GPIO on VDDIO with EXTINT[1], XY[16], SERCOM0/PAD[0], SERCOM2/PAD[0], TC0/WO[0], RTC/OUT[2] and GCLK_IO[2]. |
| 18 | PA23 | bidirectional | High Sink GPIO on VDDIO with EXTINT[2], XY[17], SERCOM0/PAD[1], SERCOM2/PAD[1], TC0/WO[1], RTC/OUT[3] and GCLK_IO[1]. |
| 19 | RESET | input | External reset input on VDDIO, active low, with internal pull-up at reset. |
| 20 | VDDCORE | power_out | Core supply of 0.9V to 1.2V typical: decoupling pin in linear regulator mode, or core supply input connected to VDDOUT via inductor in switching mode. |
| 21 | GND | power_in | Ground. |
| 22 | VDDOUT | power_out | On-chip switching regulator output requiring a 10 uH inductor in switching mode; not connected in linear mode. |
| 23 | VDDIO | power_in | Digital supply, 1.62V to 3.63V, must equal VDDANA, with 100 nF and 10 uF decoupling suggested. |
| 24 | PA30/SWCLK | bidirectional | GPIO on VDDIO with EXTINT[6], XY[18], SERCOM1/PAD[2], TC1/WO[0], CCL IN[3], and SWCLK debug clock (default function, reset state input with pull-up). |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | WQFN-24-EP(4x4) |
| Category | Embedded Processors & Controllers |
| Pins | 25 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating supply voltage (VDD) | VDD | 1.62 |  | 3.63 | V | VDDIO and VDDANA, same source | 1 |
| Operating temperature |  | -40 |  | 125 | °C | F grade (-40 to +125°C) | 1 |
| CPU operating frequency |  | 0 |  | 32 | MHz | DC to 32 MHz | 1 |
| Core supply voltage range | VDDCORE | 0.9 |  | 1.2 | V |  | 24 |

## 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 |
|---|---|---|---|---|
| contacts |  | tin | indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In self-capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor. | 976 |

## CAD (KiCad official)

- Symbol: `ATSAML10D14A-MF`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`
- 3D model: WQFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files: `atsaml10d14a-mf-etched.step` / `atsaml10d14a-mf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `atsaml10d14a-mf.step` / `atsaml10d14a-mf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Microchip Tech datasheet](docs/atsaml10d14a-mf-datasheet.pdf) (1127 pp, sha256 `ee9c04451141173b`, retrieved 2026-10-30, 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](docs/atsaml10d14a-mf-datasheet.pdf)