Data Sheet

DOC No: WS2116-A0A-DTS-D03

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http://WWW.JORJIN.COM.TW

5.2. Debug Port

The BlueNRG-1 embeds the ARM serial wire debug (SWD) port. It is two pins (clock and single

bi-directional data) debug interface, providing all the debug functionality plus realtime access to

system memory without halting the processor or requiring any target resident code.

Pin functionality

Pin Name

Pin description

SWCLK

DIO9

SWD clock signal

SWDIO

DIO10

SWD data signal

The Cortex-M0 subsystem of the BlueNRG-1 embeds two breakpoints and one watch point.

5.3. Antenna Selection Guide

There are two RF connectors to connect one 2.4GHz antenna and one from 868MHz to 923MHz

antenna. There is an antenna selection guide from STM. You can download it from the below link.

http://www.st.com/content/ccc/resource/technical/document/application_note/82/38/3f/9f/fd/4d/4f

/ab/DM00068254.pdf/files/DM00068254.pdf/jcr:content/translations/en.DM00068254.pdf

For the FCC and NCC certified antenna types/gain please refer to the following table.

BT LE

Sigfox

Antenna Type

PCB

Dipole

PCB

Dipole

Antenna Gain

2.18 dBi

2.6 dBi

2.1 dBi

3.54 dBi

Note：The maximum antenna gain allowed for use with this device is 2.6 dBi for BT LE and 3.54 dBi

for Sigfox.