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EVK-NINA-B50 - User guide

UBX-23007761 - R02

Product description

Page 5 of 37

C1-Public

1

Product description

1.1

Overview

The EVK-NINA-B50 evaluation kit is a versatile development and evaluation platform that allows quick
prototyping of a variety of low-powered Internet of Things (IoT) applications, using Bluetooth 5.3 and
IEEE 802.15.4.

EVK-NINA-B50 boards are available in the following two variants that accommodate alternative
antenna solutions:

•

EVK-NINA-B501, with open CPU NINA-B501 module, U.FL antenna connector for connecting to
external antennas and no external 32 kHz crystal.

•

EVK-NINA-B506, with open CPU NINA-B506 module that includes an internal PCB trace antenna
and an external 32 kHz crystal.

Figure 1: EVK-NINA-B501 evaluation board

Figure 2: EVK-NINA-B506 evaluation board

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Summary of Contents for EVK-NINA-B50

Page 1: ...User guide Abstract This document describes how to set up the EVK NINA B50 evaluation kit to evaluate NINA B50 series standalone Bluetooth 5 3 Low Energy modules It also describes the different optio...

Page 2: ...operty rights in the products names logos and designs included in this document Copying reproduction or modification of this document or any part thereof is only permitted with the express written per...

Page 3: ...lyzer 10 3 Board configuration 12 3 1 Powering options 12 Selecting the power configuration jumpers 12 Default power configuration 3 3 V 15 Battery powered 3 1 71 V 16 Battery powered with protection...

Page 4: ...EVK NINA B50 User guide UBX 23007761 R02 Contents Page 4 of 37 C1 Public B Glossary 36 Related documents 37 Revision history 37 Contact 37...

Page 5: ...tions using Bluetooth 5 3 and IEEE 802 15 4 EVK NINA B50 boards are available in the following two variants that accommodate alternative antenna solutions EVK NINA B501 with open CPU NINA B501 module...

Page 6: ...uation board for NINA B501 or NINA B506 modules On board programming and debug SEGGER J Link OB Support for developing your own software on the Open CPU NINA B50 module USB Serial interface for connec...

Page 7: ...7761 R02 Product description Page 7 of 37 C1 Public 1 4 EVK NINA B50 block diagram Figure 3 shows the major interfaces and internal connections of the EVK NINA B50 Figure 3 EVK NINA B50 block diagram...

Page 8: ...d J2 2 4 GHz RF antenna connector U FL coaxial connector that can be used to connect antennas or RF equipment This connector is only included in the EVK NINA B501 J12 Cortex Debug connector 10 pin 50...

Page 9: ...ically download the J Link driver included in the J Link J Trace Downloads Two COM ports are automatically assigned to the unit by Windows The COM port labelled USB Serial Port is used to communicate...

Page 10: ...n be measured when the NINA module is supplied from either the onboard 3 3 V regulator or an external supply Using a voltmeter The EVK board must be modified before module current can be measured with...

Page 11: ...EVK NINA B50 User guide UBX 23007761 R02 Setting up the evaluation board Page 11 of 37 C1 Public Figure 5 Different options when measuring NINA module current consumption...

Page 12: ...Figure 6 Block diagram of the power net distribution Selecting the power configuration jumpers EVK NINA B50 offers flexible powering options for the NINA B50 module and the board itself To configure t...

Page 13: ...net names Figure 8 Jumper headers J7 and J22 board location and pinout DC DC Onboard 3 3 V converter Battery Battery with protection diode MCU PC communication HAT Raspberry Pi expansion board NINA m...

Page 14: ...is supplied by the board and is always powered as long as a power source is connected 8 VDD_NINA Connects to J22 pin 3 from where it can be connected to the module supply pin or somewhere else 9 3V3...

Page 15: ...o pins Description J7 7 8 Selects the board regulated 3 3 V net as source for the VDD_NINA net 9 10 Powers up the Interface MCU USB hub and UART to USB converter with 3 3 V J22 1 3 Powers up the NINA...

Page 16: ...the battery Less than 3 V voltage level at VCC and VCC_IO has negative impact on Tx output power Do not connect jumpers J7 5 6 and J7 7 8 at the same time while a battery is connected This might cause...

Page 17: ...ut 0 3 V Figure 11 Jumper positions for battery powered operation with a protection diode dashed lines show optional jumpers Connector Add jumper to pins Description J7 3 4 Selects the diode protected...

Page 18: ...of this device This might give false readings when measuring current consumption Isolation can be achieved by removing NINA signal jumpers See also Disconnecting NINA signals from board peripherals Fi...

Page 19: ...connected to the selected source for the VDD_NINA net 2 4 Optional Powers up the peripherals directly connected to NINA such as LEDs and external memory with the NINA supply voltage Table 7 Jumper con...

Page 20: ...diode blue signal active low 9 GPIO_7 SWITCH_1 GPIO can be used as either user LED output or push button input 10 GREEN RGB diode green signal active low 11 GPIO_1 GPIO can be used as user LED output...

Page 21: ...in via jumper header J9 DS3 Interface MCU LED Blinks on USB enumeration and activity lit when the Interface MCU is connected via USB DS4 Interface MCU LED Error LED DS5 UART DTR LED Connected to the N...

Page 22: ...ion about compatible shields for EVK NINA B50 see also Arduino shield compatibility Figure 16 Pin headers that are compatible with some Arduino shields Conn Pin No Arduino pin Description NINA B4 sche...

Page 23: ...PIO_22 PTC3 UART_TXD signal on NINA B501 3 D2 Digital I O UART_CTS GPIO_21 PTB4 UART_CTS signal on NINA B501 4 D3 Digital I O UART_RTS GPIO_20 PTB5 UART_RTS signal on NINA B501 5 D4 Digital I O GPIO_1...

Page 24: ...ed to the EVK NINA B50 in which they are not normally connected Digital I O pins See Table 11 For serial communication and flashing debugging over USB some digital I O pins can be connected to the on...

Page 25: ...pply pin 5V Cannot be used as supply input Supplied by USB VBUS and protected from back powering 5 GPIO03 Digital I O GPIO_5 PTA19 6 GND Ground GND 7 GPIO04 Digital I O GPIO_3 PTD5 Disconnected by def...

Page 26: ...I O GPIO_48 PTB1 Connected to NINA through a solder bridge If the solder bridge is cut this pin is left floating 20 GND Ground GND 21 GPIO09 Digital I O GPIO_47 PTC1 Connected to NINA through a solder...

Page 27: ...In UART communications signals are always connected RX TX and vice versa This means that GPIO14 is TX on a Raspberry Pi board but RX on a HAT To support communication with both HATs and Pi boards the...

Page 28: ...terface MCU flow control output signal 4 MCU_CTS Interface MCU flow control input signal 5 GND GND Ground J21 1 VDD_IO Supply net for LEDs and peripherals connected directly to the NINA module Supply...

Page 29: ...external memory The board outline is designed with a footprint for SOIC 8 packages with 5 3 mm body width The smaller footprint above this can accommodate a 0402 sized 100 nF decoupling capacitor whi...

Page 30: ...ollowing tables in this appendix show the EVK NINA B4 schematics which except for the module pin names and unsupported functionality are the same as the currently unavailable EVK NINA B50 schematics T...

Page 31: ...e 31 of 37 C1 Public All crossed out circuits in the above schematic are associated with functionality supported in EVK NINA B4 but not supported in EVK NINA B50 Figure 21 Hub FTDI and flash schematic...

Page 32: ...EVK NINA B50 User guide UBX 23007761 R02 Appendix Page 32 of 37 C1 Public Figure 22 Headers and buttons schematic...

Page 33: ...Page 33 of 37 C1 Public Figure 23 Power supply schematic All crossed out circuits in the above schematic are associated with functionality supported in EVK NINA B4 but not supported in EVK NINA B50 P...

Page 34: ...na interface ANT Tx Rx antenna interface 14 GND Ground GND Ground 15 SWDIO I O Serial Wire Debug port data signal PTA0 SWDIO Serial Wire Debug port data signal 16 GPIO_16 I O Analog function enabled G...

Page 35: ...44 GPIO_44 I O General purpose I O RSVD Not connected 45 TRACE_CLK GPIO_45 I O General purpose I O SWITCH_WAKEUP General purpose I O 46 TRACE_D1 GPIO_46 I O General purpose I O PTA17 General purpose I...

Page 36: ...GND Ground GPIO General Purpose Input Output LED Light Emitting Diode MCU Micro controller unit MSD Mass storage device U FL Coaxial RF connector USB Universal serial bus RTS Request To send SDK Softw...

Page 37: ...U repository https github com u blox u blox sho OpenCPU 7 FTDI chip home page https ftdichip com For product change notifications and regular updates of u blox documentation register on our website ww...

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