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Low-cost BLE 5.2 MCU
| Part number | nRF52820 |
|---|---|
| Category | Microcontrollers & Processors › Nordic nRF |
| Package | QFN-40-1EP |
| Pins | 41 |
nRF52820 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | DEC1 | passive | |
| 2 | XL1/P0.00 | bidirectional | |
| 3 | XL2/P0.01 | bidirectional | |
| 4 | AIN2/P0.04 | bidirectional | |
| 5 | AIN3/P0.05 | bidirectional | |
| 6 | P0.06 | bidirectional | |
| 7 | P0.07 | bidirectional | |
| 8 | VDD | power | |
| 9 | VDDH | power | |
| 10 | VBUS | power | |
| 11 | DECUSB | passive | |
| 12 | D- | bidirectional | |
| 13 | D+ | bidirectional | |
| 14 | P0.14 | bidirectional | |
| 15 | P0.15 | bidirectional | |
| 16 | P0.18/~RESET | bidirectional | |
| 17 | P0.20 | bidirectional | |
| 18 | VDD | power | |
| 19 | SWDIO | bidirectional | |
| 20 | SWDCLK | input | |
| 21 | DEC5 | passive | |
| 22 | P0.16 | bidirectional | |
| 23 | P0.17 | bidirectional | |
| 24 | ANT | passive | |
| 25 | VSS_PA | power | |
| 26 | DEC6 | passive | |
| 27 | DEC3 | passive | |
| 28 | XC1 | input | |
| 29 | XC2 | input | |
| 30 | VDD | power | |
| 31 | P0.08 | bidirectional | |
| 32 | P0.29 | bidirectional | |
| 33 | P0.30 | bidirectional | |
| 34 | P0.28 | bidirectional | |
| 35 | AIN1/P0.03 | bidirectional | |
| 36 | AIN0/P0.02 | bidirectional | |
| 37 | VSS | ground | |
| 38 | DEC4 | passive | |
| 39 | DCC | power | |
| 40 | VDD | power | |
| 41 | VSS | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.