Seeed XIAO nRF52840 Breakout

Blecon Modem for Prototyping

This breakout board gives easy access to the Blecon Modem for prototyping.

Pinout

Pin LabelNameFunction

GND

GND

Ground

5V

5V

5V Power supply

3V3

3V3

3V3 Power rail

D0

nRESET

Reset pin

D9

SDI

SPI Data In

D10

SDO

SPI Data Out

D8

SCK

SPI Clock In

D1

nCS

Chip Select

D2

DRDY

Data Ready Signal

D3

SRDY

SPI Ready Signal

D7

RX

UART RX

D6

TX

UART TX

NFC

NFC1

NFC antenna connection

NFC

NFC2

NFC antenna connection

DIO

SWIO

Reserved for Blecon

CLK

SWCLK

Reserved for Blecon

RST

nRST

Reserved for Blecon

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