EVK-NINA-B4 - User guide
UBX-19054587 - R04
Contents
Page 3 of 40
C1 - Public
Contents
Document information ............................................................................................................................. 2
Contents ....................................................................................................................................................... 3
1
Quick start guide ................................................................................................................................. 5
2
Product description ............................................................................................................................ 6
2.1
Overview ........................................................................................................................................................ 6
2.2
Kit includes ................................................................................................................................................... 7
2.3
Key features ................................................................................................................................................. 7
2.4
EVK-NINA-B4 block diagram .................................................................................................................... 8
2.5
Connectors ................................................................................................................................................... 9
3
Setting up the evaluation board .................................................................................................. 10
3.1
Evaluation board setup ............................................................................................................................ 10
3.2
Starting up ................................................................................................................................................. 10
EVK-NINA-B41x ................................................................................................................................ 10
EVK-NINA-B40x ................................................................................................................................ 11
3.3
Measuring current consumption ........................................................................................................... 11
Using an ampere meter ................................................................................................................... 11
Using a voltmeter ............................................................................................................................. 12
Using an external power supply or power analyzer .................................................................... 13
4
Board configuration ......................................................................................................................... 14
4.1
Powering options ....................................................................................................................................... 14
Selecting the power configuration jumpers ................................................................................ 14
Default power configuration, 3.3 V ............................................................................................... 17
Battery powered, 3
–
1.7 V ................................................................................................................ 18
Battery powered with protection diode, 2.7
–
1.7 V ..................................................................... 19
External supply, 3.6
–
1.7 V ............................................................................................................... 20
Raspberry Pi HAT .............................................................................................................................. 21
4.2
Disconnecting NINA signals from board peripherals ........................................................................ 21
4.3
Connecting an external antenna (EVK-NINA-B410DF) ..................................................................... 23
5
Interfaces and peripherals ............................................................................................................ 24
5.1
Buttons and LEDs ..................................................................................................................................... 24
5.2
Arduino interface ...................................................................................................................................... 25
Arduino shield compatibility ........................................................................................................... 27
5.3
Raspberry Pi compatible interface ........................................................................................................ 27
Powering considerations ................................................................................................................. 30
UART ................................................................................................................................................... 30
EEPROM support .............................................................................................................................. 30
5.4
Additional Interfaces ................................................................................................................................ 30
Extra memory
–
external Flash ...................................................................................................... 32
Extra USB to UART interface ......................................................................................................... 32
CPU trace interface .......................................................................................................................... 33
