Nordic nRF52840 Getting Started Guide

11
Debugging
To actually see what is happening on the development board while the application is running, you must
set up a J-Link debugging session. SES has an integrated debugger that you can use to step through your
application.
1. Open your project in SES.
2. Select Debug > Go.
Alternatively, press F5.
The debugging interface looks like this:
By default, the application will break in main. You can set additional break points, single-step through
the application, read registers, and so on.
This video tutorial shows you how to use SES for debugging:
Figure 2: YouTube Tutorial
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Nordic nRF52840 Specifications

General

Clock Speed	64 MHz
Flash Memory	1 MB
RAM	256 KB
USB	USB 2.0 Full Speed
Operating Voltage	1.7 V to 5.5 V
GPIO	48
IEEE 802.15.4	Yes
NFC	NFC-A Tag
Temperature Range	-40°C to +85°C
ADC Resolution	12-bit
Processor	ARM Cortex-M4
Bluetooth	Bluetooth 5.0
Package	QFN48, WLCSP