ADA4064 · AdafruitActive
Adafruit product #4064 — built on SAMD51.
| Part number | ADA4064 |
|---|---|
| Manufacturer | Adafruit |
| Category | Development Boards › SAMD / SAM Boards |
| Pins | 91 |
Adafruit Grand Central M4 Express featuring the SAMD51 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SCL | bidirectional | |
| 2 | SDA | bidirectional | |
| 3 | AREF | bidirectional | |
| 4 | GND | ground | |
| 5 | D13 | bidirectional | |
| 6 | D12 | bidirectional | |
| 7 | D11 | bidirectional | |
| 8 | D10 | bidirectional | |
| 9 | D9 | bidirectional | |
| 10 | D8 | bidirectional | |
| 11 | D7 | bidirectional | |
| 12 | D6 | bidirectional | |
| 13 | D5 | bidirectional | |
| 14 | D4 | bidirectional | |
| 15 | D3 | bidirectional | |
| 16 | D2 | bidirectional | |
| 17 | D1 | bidirectional | |
| 18 | D0 | bidirectional | |
| 19 | UART3_TX | bidirectional | |
| 20 | UART3_RX | bidirectional | |
| 21 | UART2_TX | bidirectional | |
| 22 | UART2_RX | bidirectional | |
| 23 | UART1_TX | bidirectional | |
| 24 | UART1_RX | bidirectional | |
| 25 | SDA | bidirectional | |
| 26 | SCL | bidirectional | |
| 27 | +5V | power | |
| 28 | +5V | power | |
| 29 | D22 | bidirectional | |
| 30 | D23 | bidirectional | |
| 31 | SCL_1 | bidirectional | |
| 32 | SDA_1 | bidirectional | |
| 33 | PCC_DEN1 | bidirectional | |
| 34 | PCC_DEN2 | bidirectional | |
| 35 | PCC_CLK | bidirectional | |
| 36 | PCC_XCLK | bidirectional | |
| 37 | PCC_D7 | bidirectional | |
| 38 | PCC_D6 | bidirectional | |
| 39 | PCC_D5 | bidirectional | |
| 40 | PCC_D4 | bidirectional | |
| 41 | PCC_D3 | bidirectional | |
| 42 | PCC_D2 | bidirectional | |
| 43 | MISO | bidirectional | |
| 44 | +5V | power | |
| 45 | PCC_D1 | bidirectional | |
| 46 | PCC_D0 | bidirectional | |
| 47 | SCK | bidirectional | |
| 48 | MOSI | bidirectional | |
| 49 | PCC_D9 | bidirectional | |
| 50 | PCC_D8 | bidirectional | |
| 51 | !RESET | bidirectional | |
| 52 | GND | ground | |
| 53 | PCC_D11 | bidirectional | |
| 54 | PCC_D10 | bidirectional | |
| 55 | PCC_D13 | bidirectional | |
| 56 | PCC_D12 | bidirectional | |
| 57 | D44 | bidirectional | |
| 58 | D45 | bidirectional | |
| 59 | D46 | bidirectional | |
| 60 | D47 | bidirectional | |
| 61 | D48 | bidirectional | |
| 62 | D49 | bidirectional | |
| 63 | MISO | bidirectional | |
| 64 | MOSI | bidirectional | |
| 65 | SCK | bidirectional | |
| 66 | SS | bidirectional | |
| 67 | GND | ground | |
| 68 | GND | ground | |
| 69 | 3.3V | power | |
| 70 | !RESET | bidirectional | |
| 71 | 3.3V | power | |
| 72 | +5V | power | |
| 73 | GND | ground | |
| 74 | GND | ground | |
| 75 | VIN | power | |
| 76 | A0 | bidirectional | |
| 77 | A1 | bidirectional | |
| 78 | A2 | bidirectional | |
| 79 | A3 | bidirectional | |
| 80 | A4 | bidirectional | |
| 81 | A5 | bidirectional | |
| 82 | A6 | bidirectional | |
| 83 | A7 | bidirectional | |
| 84 | A8 | bidirectional | |
| 85 | A9 | bidirectional | |
| 86 | A10 | bidirectional | |
| 87 | A11 | bidirectional | |
| 88 | A12 | bidirectional | |
| 89 | A13 | bidirectional | |
| 90 | A14 | bidirectional | |
| 91 | A15 | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit Grand Central M4 Express (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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