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Nordic nRF9160 DK User Manual
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Hardw
are description
Figure 22: UAR
T interf
ace switches
4.11.3 Swit
ches for but
tons and LEDs
On the nRF9160 DK, there ar
e a few analog swit
ches that are used to connect and disc
onnect signals to
contr
ol buttons, swit
ches, and LEDs.
The switches ar
e controlled by the nRF52840, which c
ontains firmw
are from Nordic Semic
onductor
.
4418_1216 v0.9.1
29
28
30
Table of Contents
Default Chapter
2
Table of Contents
2
Revision History
4
1 Introduction
6
Related Documentation
6
2 Kit Content
8
Hardware Content
8
3 Operating Modes
9
Firmware Development Mode
9
Device Programming
9
Virtual COM Port
9
Msd
10
Reset
10
Performance Measurement Mode
11
USB Detect
11
4 Hardware Description
13
Block Diagram
13
Hardware Figures
13
Power Supply
14
Nrf9160 Supply
16
VDD Supply Rail
16
Other Power Domains
17
Antenna Interfaces
17
Gps
17
GPIO Interfaces
18
Nrf52840
20
Nrf9160 DK Board Control
21
Bluetooth/Ieee 802.15.4 Network Processor
22
Buttons, Slide Switches, and Leds
23
Debug Input and Trace Options
24
Debug Output
25
Connectors for Programming External Boards
26
Signal Routing Switches
27
Interface MCU Disconnect Switches
27
Switches for UART Interface
28
Switches for Buttons and Leds
29
Switches for Nrf52840 Interface
31
SIM and Esim
32
Additional Interfaces
33
Sip Enable
34
Solder Bridge Configuration
34
5 Measuring Current
36
Preparing the Development Kit for Current Measurements
36
Using an Oscilloscope for Current Profile Measurement
37
Using a Current Meter for Current Measurement
37
6 RF Measurements
39
7 Radiated Performance of Nrf9160 DK
40
Glossary
41
Acronyms and Abbreviations
43
Legal Notices
44
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Nordic nRF9160 DK Specifications
General
Brand
Nordic
Model
nRF9160 DK
Category
Motherboard
Language
English
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