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Seeed XIAO nRF52840 Breakout

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

Pinout

Seeed Blecon Modem Breakout Pinout
Pin Label
Name
Function
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