Board

Metro nRF52840 Express specs, pinout & datasheets

Chip / SoC
nRF52840
CPU
Arm Cortex-M4
Clock
64 MHz

Imported entry: generated from open-source board definitions (platformio, circuitpython), not reviewed by a person. Each fact links to the definition it came from.

Specifications

4 specs
Chip / SoC
nRF52840[1]
CPU
Arm Cortex-M4[1]
Clock
64 MHz[1]
Upload limits
796 KB flash, 243 KB RAM[1]

Upload limits are what a sketch or firmware may use after the bootloader, as the build tools enforce them, not the chip’s full memory.

Can I still use it?

2 platforms
Arduino framework
Supported[1]Arduino framework available through PlatformIO.
CircuitPython
Supported[2]

As published by each project, checked weekly. A platform not listed has no published information here, which is not the same as no support.

Datasheets and documents

1 documents

Pinout

32 pins
Pin names in firmware (32 pins)
From the firmware’s board definition[3]
Chip pinBoard names
P0_02A4
P0_03A5
P0_04A0
P0_05A1
P0_06D10
P0_07SCK
P0_08D11
P0_09NFC1
P0_10NFC2
P0_11MISO
P0_12D9
P0_13NEOPIXEL
P0_14D13
P0_15SDA
P0_16SCL
P0_24D0, RX
P0_25D1, TX
P0_26D7
P0_27D8
P0_28A2
P0_30A3
P0_31AREF
P1_02SWITCH
P1_04D3
P1_08MOSI
P1_09D12
P1_10D2
P1_11D4
P1_12D5
P1_13L, LED, RED_LED
P1_14D6
P1_15BLUE_LED

Sources

3 sources
  1. PlatformIO board definition (adafruit_metro_nrf52840) at 278176a7f7
  2. CircuitPython board definition (metro_nrf52840_express) at 83b54473a1
  3. CircuitPython pin definitions (metro_nrf52840_express) at 395b187017

Spotted a mistake?

Reviewed by hand

Every report is read by a person and checked against a source before anything changes. Please link one if you have it.

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