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EVK-NORA-W40 Evaluation kit for NORA-W40 series modules User guide Abstract The document describes how to set up and use the EVK-NORA-W401 and EVK-NORA-W406 evaluation kits for prototyping NORA-W40 open CPU, multiradio modules. It also describes the different options for debugging and the development capabilities included in the evaluation board.
EVK-NORA-W40 - User guide Document information Title EVK-NORA-W40 Subtitle Evaluation kit for NORA-W40 series modules Document type User guide Document number UBXDOC-465451970-3360 Revision and date 19-Nov-2024 Disclosure restriction C1-Public Product status Corresponding content status In development / Objective specification Target values. Revised and supplementary data will be published later.
EVK-NORA-W40 - User guide Product description EVK-NORA-W40 is designed for developers to explore and build custom applications for use with the NORA-W40 module, which integrates a Wi-Fi 6 multiradio CPU. As the modules are delivered without pre-flashed software, users must develop and deploy their own firmware using the kit.
EVK-NORA-W40 - User guide Setting up the evaluation board The EVK-NORA-W40 is delivered without any software (open CPU) and the software must be developed by the user. The following EVK variants are available: • EVK-NORA-W401 • EVK-NORA-W406 2.1 Prerequisites •...
Wi-Fi communication. Compile the application and flash it to the EVK-NORA-W40 via the ESP-IDF CLI. Espressif recommend using the Eclipse IDE or Visual Studio (VS) code, since the Eclipse IDE has a plugin and VS code has an extension for installing ESP-IDF.
EVK-NORA-W40 - User guide 2.4 Measuring current consumption You use pin headers J3 and J4 to measure current consumption on the NORA-W40 power supply pins. 2.4.1 Using an ammeter To measure current, connect an ammeter in series between the power source and the device being measured.
3.1 Connectors EVK-NORA-W40 is equipped with several connectors for power (J5-J8) and antenna (J10) connections, current measurement (J3-J4), various I/O interfaces for mikroBUS Click add-on boards (J17-J20), flash and debug ports (J9), multi-purpose GPIOs (J15-J16), and extended I2C communication (J12).
EVK-NORA-W40 - User guide Table 1 describes the available connectors of the EVK-NORA-W40. Connector Function Description (J1) 2.4 GHz RF antenna U.FL coaxial connector that can be used to connect antennas or RF equipment. This connector connector is only included in the EVK-NORA-W401.
Figure 8: Jumper positions for default power configuration 3.2.2 Battery powered, 3.7 V The configuration for using EVK-NORA-W40 with a battery is shown Figure 9. In this configuration, the battery voltage is connected to VDD_NORA, which in turn, is connected to the VCC supply in the NORA-W40 module.
EVK-NORA-W40 - User guide 3.2.3 External supply, 3.0 – 3.6 V When measuring current consumption or performing other NORA-W40 module characterization measurements, it can be useful to power the module with an external source such as a lab power supply. In such cases, the required supply nets can be fed externally by connecting to the pin headers.
EVK-NORA-W40 - User guide 3.3 Switches, buttons and LEDs EVK-NORA-W40 board is equipped with four DIP switches (S1, S2 S3 and S4), one switch (SW1), four buttons (SW2, SW3, SW4 and SW5), one RGB LED (RGB), and seven LEDs (from D13 to D19).
Table 2: User button components 3.3.3 DIP switches The EVK-NORA-W40 evaluation board also includes several different Dual in-line (DIP) switches. The purpose of these switches is to control different functionalities such as, power input to module, module primary UART and multipurpose GPIOs.
Table 4: UART0 LEDs and associated signals 3.4 USB interfaces There are two physical USB interfaces on the EVK: COM USB (J6) and a MOD USB (J5). The location of these interfaces on the EVK-NORA-W40 PCB are shown in Figure Figure 12: NORA-W40 USB interface...
EVK-NORA-W40 - User guide 3.4.1 COM USB interface For easy serial communication with the NORA-W40 module, you can connect a computer to the evaluation board through either of the two COM ports, which transfer the serial data via two different...
EVK-NORA-W40 - User guide 3.5 Interface DIP switch The EVK-NORA-B4 includes a set of DIP switches (S1, S2, S3 and S4) that are used to control functionalities supported in the NORA-W40 module. The switch locations and related functions are shown in...
EVK-NORA-W40 - User guide 3.5.1 Module power switch DIP switch (S1) controls input power to the NORA-W40 module. Table 5 shows the relationship between each switch and the module. ⚠ To connect an onboard power supply, set both sub-switches of Switch (S1) to “ON” position. To connect an external power supply, set both sub-switches position to “OFF.
EVK-NORA-W40 - User guide 3.5.3 UART DIP switch In applications where the UART pins are required for other GPIO functionalities, DIP switch (S4) allows you to isolate UART interface from the onboard FTDI chip (U7) on the NORA-W4 module. Each...
EVK-NORA-W40 - User guide 3.6 Multipurpose GPIO header Figure 14 shows the multi-purpose GPIO headers mounted on NORA-W40 evaluation board. Figure 14: EVK NORA-W4 multipurpose GPIO pin headers UBXDOC-465451970-3360 - R01 Hardware description Page 22 of 37 C1-Public...
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EVK-NORA-W40 - User guide Table 9 describes pin headers J15 and J16, their functionality, and corresponding module pin. Con. Mod. Description Schematic net ESP32-C6 Alternate functions/notes J15.1 Ground J15.3 Not connected J15.5 Not connected J15.7 Not connected J15.9 Not connected J15.11...
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EVK-NORA-W40 - User guide Con. Mod. Description Schematic net ESP32-C6 Alternate functions/notes J16.1 Ground J16.3 General Purpose I/O A6/IO11/D_RX IO11 J16.5 General Purpose I/O A5/IO10/IO14/D_TX IO14 J16.7 General Purpose I/O D9/IO12 IO12 J16.9 General Purpose I/O C9/IO13 IO13 J16.11 General Purpose I/O...
NORA-W40 system integration manual [2]. 3.7 mikroBUS interfaces The EVK-NORA-W40 has two mikroBUS connectors, making it easy to host MIKROE Click boards™. With over 1,400 Click boards available, developers can explore countless possibilities by combining u-blox modules with functionalities from various technology suppliers—all using the same kit. Simply plug the desired modules into the mikroBUS connectors to get started.
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EVK-NORA-W40 - User guide A mikroBUS application board can be installed on the following headers as shown in Figure 15. Each application board should face outwards towards the GPIO pin headers. Figure 15: mikroBUS header location (header color may vary) 3.7.1.1...
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EVK-NORA-W40 - User guide J20 Pin mikroBUS pin Schematic net name Function Remarks C6/IO0 GPIO Analog input capable GPIO B6/IO1 GPIO Analog input capable GPIO H1/IO5/JT_TDI GPIO Analog input capable GPIO/ LP_UART H2/IO4/JT_TMS/SWD_IO GPIO Analog input capable GPIO/ LP_UART A3/IO7/I2C_SCL...
EVK-NORA-W40 - User guide 3.8 Other interfaces Figure 16 shows several other available interfaces on the evaluation board: • LF-XTAL 32.768 kHz crystal connected to the NORA-W40 module to source the RTC clock • JTAG Debug – for debugging, programming, and testing the NORA-W40 module •...
EVK-NORA-W40 - User guide C6/IO0/X_LP_P and B6/IO1/X_LP_N are used to connect low frequency crystal with NORA module. By default, the crystal is not connected to the module, and the crystal GPIOs are connected to the multi- purpose GPIO header. To connect the crystal to the module, swap R25 with R9 and R21 with R11 respectively.
EVK-NORA-W40 - User guide Figure 19 shows the schematic of the External SPI flash circuit and its implementation on the EVK board. Figure 19: Quad SPI flash on NORA-W40 EVK Table 14 shows the SPI functions for corresponding ESP32-C6 GPIOs and NORA-W40 pins.
EVK-NORA-W40 - User guide C Glossary Abbreviation Definition Central Processing Unit Clear To Send Direct Current DC-DC DC to DC converter Device Firmware Update Evaluation Kit FICR Factory Information Configuration Register GPIO General Purpose Input / Output Low Drop-Out voltage regulator...
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 19-Nov-2024 asoh, hekf Initial release for EVK-NORA-W40 engineering samples Contact u-blox AG Address: Zürcherstrasse 68 8800 Thalwil Switzerland For further support and contact information, visit us at www.u-blox.com/support. UBXDOC-465451970-3360 - R01...
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