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EVK-NORA-W1 - User guide

UBX-22002764 - R01

Hardware description

Page 11 of 22

C1-Public

3.5

Serial communication

The evaluation board allows for easy serial communication with the NORA-W10 module and a
connected computer. The EVK is using a single FTDI interface IC providing one COM port.

•

The single port is connected to module UART0 through 1K resistors. This allows for simultaneously

connecting UART0 signals to pin sockets J3 and J5. See also

Table 5

NORA-W1 pin name

NORA-W1 function

Resistor/Jumper enable

Interface IC function

GPIO44/UART0-RxD

R20

FTDI-TxD

GPIO43/UART0-TxD

R22

FTDI-RxD

GPIO6/UART0-CTS

R23

FTDI-RTS

GPIO45/UART0-RTS

R29

FTDI-CTS

GPIO7/UART0-DSR

R30

FTDI-DTR

GPIO1/UART0-DTR

R32

FTDI-DSR

Table 5: COM port connections

Figure 9: UART0 level shifters and pin socket

Содержание EVK-NORA-W10

Страница 1: ...ser guide Abstract The document describes how to set up the EVK NORA W101 and EVK NORA W106 evaluation kits to evaluate the NORA W10 series modules To obtain the different options for debugging and the development capabilities included in the evaluation board see NORA W10 system integration manual 2 ...

Страница 2: ...uct specification This document applies to the following products Product name Document status EVK NORA W101 Objective specification EVK NORA W106 Objective specification For information about the hardware software and status of the available product types see the NORA W10 data sheet 1 u blox or third parties may hold intellectual property rights in the products names logos and designs included in...

Страница 3: ...NORA W106 kit contents 5 2 Setting up the evaluation board 6 3 Hardware description 7 3 1 Power 7 3 1 1 Powering the board 7 3 2 Reset 8 3 3 Buttons 9 3 4 LEDs 10 3 5 Serial communication 11 3 6 32 768 kHz low frequency clock 12 3 7 Current sensing headers 13 3 8 External JTAG debug interface 14 3 9 QSPI 15 3 10GPIO jumpers 16 3 11Header pin out 17 Appendix 20 A Glossary 20 Related documentation 2...

Страница 4: ...headers that are compatible with the Arduino form factor This allows easy use of existing Arduino shields Current sense resistors allow for measuring current into the module and into the shield This guide provides setup instructions for starting development and describes the hardware functionality of the EVK NORA W10 board 1 1 Key features Used for evaluation of NORA W101 or NORA W106 modules COM ...

Страница 5: ...it 1 2 1 EVK NORA W101 kit contents EVK NORA W10 evaluation board with NORA W101 module USB C to USB A cable 2 4 GHz U FL antenna kit 1 2 2 EVK NORA W106 kit contents EVK NORA W10 evaluation board with NORA W106 module USB C to USB A cable 2 4 GHz antenna integrated onto NORA W106 module no external antenna ...

Страница 6: ...the inrush current when powering up the EVK can be significantly higher than during normal operation The operating system will install the correct COM port drivers automatically The drivers will need to be installed only when you connect the unit to a new computer for the first time For more information about the COM ports and their configuration see the FTDI FT231XQ R Datasheet 3 One COM port wil...

Страница 7: ...he power protection circuits are left intact can the USB be safely connected at the same time as external power This makes programming of the module easier The EVK USB type C connectors are only capable of handling 5 V input 12 V is not allowed 3 1 1 Powering the board By moving the power switch to ON VBUS is fed into the 3 3 V LDO regulator and the board is powered up This is indicated by the pow...

Страница 8: ...the BOOTn button is held down during the EVK power on it causes the module to enter its bootloader mode Figure 4 EVK schematic reset and boot buttons Figure 5 Alternative BOOTn and RESET via UART DTR and RTS Signal name Description GPIO0 BOOTn GPIO0 input to module interface during normal operation Drive low during power up to enter bootloader mode on NORA W1 module RESETn NORA W1 reset signal Tab...

Страница 9: ...nd connect to ground when pressed Table 2 associates the button number and corresponding components The internal pull up resistor of each NORA W10 GPIO pin must be enabled for proper operation Button Switch GPIO Protection diode 1 SW1 GPIO46 D21 2 SW2 GPIO0 D22 3 SW3 GPIO47 D23 4 SW4 GPIO48 D24 Table 2 User button components Figure 6 EVK schematic user buttons ...

Страница 10: ...ed GPIO Comments Red pin1 GPIO5 ADC1 CH4 Remove R77 to disconnect R LED Green pin2 GPIO2 ADC CH1 Remove R78 to disconnect G LED Blue pin3 GPIO8 ADC1 CH7 Remove R79 to disconnect B LED Table 3 RGB LED associated signals Figure 7 Schematic RGB and power LED Figure 8 Schematic UART0 status LEDs Table 4 UART0 LEDs associated signals LED LED color GPIO Pin socket Comments D4 Green GPIO43 UART0 TxD J3 7...

Страница 11: ...ort is connected to module UART0 through 1K resistors This allows for simultaneously connecting UART0 signals to pin sockets J3 and J5 See also Table 5 NORA W1 pin name NORA W1 function Resistor Jumper enable Interface IC function G9 GPIO44 UART0 RxD R20 FTDI TxD G8 GPIO43 UART0 TxD R22 FTDI RxD F9 GPIO6 UART0 CTS R23 FTDI RTS F8 GPIO45 UART0 RTS R29 FTDI CTS E9 GPIO7 UART0 DSR R30 FTDI DTR E8 GPI...

Страница 12: ...z crystal connected to the NORA W10 module to allow use of the external crystal oscillator option If the signals GPIO15 ADC2 CH4 and GPIO16 ADC2 CH5 want to be used the crystal can be removed from the circuit by opening jumpers J19 and J21 and soldering across the normally open positions This connects XT 32k p and XT 32k n to the EVK pin socket J2 pin 5 and pin 6 Figure 11 Schematic 32 kHz crystal...

Страница 13: ... supply and module VDD IO supply is sourced via these resistors To measure current consumption use a multimeter or other precision voltage measurement device to measure voltage drop across pins 2 and 3 Current can also be measured directly by opening JRMOD or JRIO to remove the current sense resistor from the circuit Use an amp meter in series with the two voltage pins Pin 1 of J7 J8 is connected ...

Страница 14: ...blic 3 8 External JTAG debug interface External target hardware can be connected to J20 for firmware programming and debug The JTAG debug interface is implemented as shown in Figure 13 J20 is implemented with a 2x5 header with 1 27 mm pitch Figure 13 External J Link debug interface ...

Страница 15: ...dule internal VDD SPI supply The selection between the two are made by populating either R11 or R69 U1 and R70 or R71 U2 Figure 14 Quad SPI FLASH and PSRAM EVK schematic and EVK board view Table 6 Quad SPI interface signal overview Interface function ESP32 S3 pin NORA W10 pin Interface IC function QSPI CS0 28 E1 QSPI CS1 32 C4 QSPI CLK 33 F1 QSPI IO3 HD 30 F2 QSPI IO2 WP 31 D1 QSPI IO1 Q 34 E2 QSP...

Страница 16: ...n the board are available to configure the GPIO functions Most solder jumpers disconnect on board components from the GPIO nets thus eliminate interference with external circuitry added on the I O sockets female The GPIO jumpers and associated functions are shown on the bottom of the EVK NORA W10 PCB Figure 15 Legend for GPIO jumpers ...

Страница 17: ...O pins the Arduino Uno style shields must be configured to use 3 3 V I O voltage reference GPIO8 GPIO9 NC IOREF RESET 3V3 VBUS GND GND Vin GPIO11 GPIO12 GPIO13 GPIO5 GPIO15 GPIO16 GPIO0 GPIO21 NC GND GPIO36 GPIO37 GPIO35 GPIO34 GPIO38 GPIO33 GPIO10 GPIO14 GPIO2 GPIO3 GPIO4 GPIO46 TxD RxD GPIO45 GPIO6 GPIO1 GPIO7 GPI047 GPIO48 GPIO18 GPIO17 LED4 TxD LED6 RTS LED5 RxD LED7 CTS LED8 DTR LED9 DSR BTN1...

Страница 18: ...ly 6 GND Ground 7 GND Ground 8 Vin Supply Table 7 Header J1 Pin Pin name NORA W1 pin PT1 PT2 Function 1 GPIO11 G3 GPIO ADC2 CH0 2 GPIO12 G2 GPIO ADC2 CH1 3 GPIO13 A6 GPIO ADC2 CH2 4 GPIO5 J8 GPIO ADC1 CH4 5 GPIO15 C6 GPIO ADC2 CH4 XTAL 32K P 6 GPIO16 B6 GPIO ADC2 CH5 XTAL 32K N Table 8 Header J2 Pin Pin name NORA W1 pin Function 1 GPIO10 H3 FSPI IO4 2 GPIO14 A5 FSPI DQS 3 GPIO2 H8 ADC1 CH1 4 GPIO3...

Страница 19: ...er J4 Pin Pin name NORA W1 pin Function 1 GPIO45 F8 RTS 2 GPIO6 F9 CTS 3 GPIO1 E8 DTR 4 GPIO7 E9 DSR 5 GPIO47 F3 SPICLK_P 6 GPIO48 E3 SPICLK_N 7 GPIO18 B4 SDA 8 GPIO17 A3 SCL Table 11 Header J5 Pin Pin name NORA W1 pin Function 1 3V3 Supply 2 JTAG TMS H2 GPIO42 if J15 is changed 3 GND Ground 4 JTAG TCK J2 GPIO 39 if J16 is changed 5 GND Ground 6 JTAG TDO G1 GPIO40 if J17 is changed 7 NC No connect...

Страница 20: ...rpose Input Output LDO Low Drop Out voltage regulator LE Low Energy LED Light Emitting Diode LF Low Frequency LiPo Lithium Polymer battery NCS nRF Connect SDK NFC Near Field Communications QSPI Quad Serial Peripheral Interface RC Resistor Capacitor network RTS Request To Send RXD Receive data signal SES SEGGER Embedded Studio SIG Special Interest Group SoC System on Chip SPI Serial Peripheral Inte...

Страница 21: ...UBX 21036702 2 NORA W10 system integration manual UBX 22005601 3 FTDI FT231XQ R Datasheet FT231X ftdichip com For product change notifications and regular updates of u blox documentation register on our website www u blox com Revision history Revision Date Name Comments R01 29 04 2022 ovik hekf Initial release for EVK NORA W1 PT2 ...

Страница 22: ...egional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com Support support_cn u blox com Regional Office China Shanghai Phone 86 21 6090 4832 E mail info_cn u blox com Support support_cn u blox com Regional Office China Shenzhen Phone 86 755 8627 1083 E mail info_cn u bl...

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