ADA3800 · AdafruitActive
Adafruit product #3800 — built on ATSAMD51.
| Part number | ADA3800 |
|---|---|
| Manufacturer | Adafruit |
| Category | Development Boards › SAMD / SAM Boards |
| Pins | 33 |
Adafruit ItsyBitsy M4 Express featuring ATSAMD51 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VBAT | power | |
| 2 | GND | ground | |
| 3 | VBUS | power | |
| 4 | D13 | bidirectional | |
| 5 | D12 | bidirectional | |
| 6 | D11 | bidirectional | |
| 7 | D10 | bidirectional | |
| 8 | D9 | bidirectional | |
| 9 | D7 | bidirectional | |
| 10 | D5_5V | bidirectional | |
| 11 | SCL | bidirectional | |
| 12 | SDA | bidirectional | |
| 13 | TX_D1 | bidirectional | |
| 14 | RX_D0 | bidirectional | |
| 15 | D4 | bidirectional | |
| 16 | D3 | bidirectional | |
| 17 | SWCLK | bidirectional | |
| 18 | SWDIO | bidirectional | |
| 19 | EN | bidirectional | |
| 20 | !RESET | bidirectional | |
| 21 | +3V3 | power | |
| 22 | AREF | bidirectional | |
| 23 | VHI | power | |
| 24 | A0 | bidirectional | |
| 25 | A1 | bidirectional | |
| 26 | A2 | bidirectional | |
| 27 | A3 | bidirectional | |
| 28 | A4 | bidirectional | |
| 29 | A5 | bidirectional | |
| 30 | SCK | bidirectional | |
| 31 | MOSI | bidirectional | |
| 32 | MISO | bidirectional | |
| 33 | D2 | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit ItsyBitsy M4 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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