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BMD-34 / 38 EVK
Evaluation kit for BMD-34 and BMD-38 series modules
User guide
Abstract
This document describes how to set up the EVK-BMD-340, EVK-BMD-341, and EVK-BMD-380
evaluation kits to evaluate BMD-34 series modules. It also describes the different options for
debugging and the development capabilities included in the evaluation board.
UBX-19033356 - R06
C1-Public
www.u-blox.com
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Table of Contents
Related Manuals for Ublox BMD-38 EVK
Summary of Contents for Ublox BMD-38 EVK
- Page 1 BMD-34 / 38 EVK Evaluation kit for BMD-34 and BMD-38 series modules User guide Abstract This document describes how to set up the EVK-BMD-340, EVK-BMD-341, and EVK-BMD-380 evaluation kits to evaluate BMD-34 series modules. It also describes the different options for debugging and the development capabilities included in the evaluation board.
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Page 2: Document Information
BMD-34 / 38 EVK - User guide Document information Title BMD-34 / 38 EVK Subtitle Evaluation kit for BMD-34 and BMD-38 series modules Document type User guide Document number UBX-19033356 Revision and date 16-Apr-2021 Disclosure restriction C1-Public This document applies to the following products: Product name BMD-340-Eval BMD-341-Eval... -
Page 3: Table Of Contents
BMD-34 / 38 EVK - User guide Contents Document information ..........................2 Contents ............................... 3 Product description ..........................4 1.1 Key features ..............................4 1.2 Kit includes ..............................5 1.3 Development tools ............................5 Hardware description......................... 6 2.1 Power ................................6 2.1.1 Powering the board .......................... -
Page 4: Product Description
BMD-34 / 38 EVK - User guide Product description The BMD-34-EVAL kits provide stand-alone use of the BMD-340, BMD-341, or BMD-380 module featuring the Nordic nRF52840 RF System on Chip (SoC). Other modules have evaluation kits covered by other documents. The evaluation kit provides a great starting point for almost any Bluetooth 5 low energy, Thread, or Zigbee project. -
Page 5: Kit Includes
BMD-34 / 38 EVK - User guide 1.2 Kit includes BMD-340 and BMD-380 evaluation kits include: • BMD-340 evaluation board • Micro-USB cable • NFC antenna BMD-341 evaluation kit includes: • BMD-341 evaluation board • Micro-USB cable • NFC antenna •... -
Page 6: Hardware Description
BMD-34 / 38 EVK - User guide Hardware description Design files for each of the BMD-3xx evaluation boards may be requested from the u-blox support team. Figure 2: Assembly drawing (Top view) 2.1 Power The BMD-34 evaluation board has five possible power sources as listed below: •... -
Page 7: Usb Peripheral Power
BMD-34 / 38 EVK - User guide 2.1.2 USB peripheral power VBUS Power from the USB Peripheral interface on the BMD-34 may be used to power the BMD-34-EVAL by moving SW7 to the “HV” setting. This enables the internal high-voltage regulator (LDO or DC-DC). -
Page 8: Buttons
BMD-34 / 38 EVK - User guide When the reset button is directly connected to P0.18, it can be used as a fifth user button or as a reset button directly connected to the BMD-34 module. Solder jumper J18 is used to connect P0.18 of the BMD-34 module to the RESET_N net (noted as nRESET in Figure 4 below). -
Page 9: Leds
BMD-34 / 38 EVK - User guide 2.4 LEDs User LEDs are provided on the evaluation board - two red and two green. An RGB LED is included as well and can be enabled by changing the position of JLED. LEDs are powered by VIO and are active low. -
Page 10: 32 Khz Crystal Oscillator
BMD-34 / 38 EVK - User guide BMD-34 Pin name BMD-34 function Jumper Interface IC function P0.05 P0.06 JDAT P0.07 P0.08 JDAT Table 2: Virtual COM port connections Figure 7: Interface IC UART circuit 2.5 32 kHz crystal oscillator The evaluation board has a 32.768 kHz crystal oscillator connected to the BMD-34 module by default. -
Page 11: Current Sensing Headers
BMD-34 / 38 EVK - User guide Figure 9: NFC connector 2.7 Current sensing headers The evaluation board provides two current sensing headers. “JBMD” allows for power consumption measurement of the BMD-34 module and “JSHD” allows for power consumption measurement of the shields connected to the Arduino-style headers (“VSHLD” power only). Each 3-pin 2.54 mm pitch header has two pins connected across a 1 Ω... -
Page 12: Qspi
BMD-34 / 38 EVK - User guide Figure 11: External J-Link debug interface In order to enable the external J-Link connection, ensure the following are implemented on the target hardware: • EXT_VTG is used by the debug interface as an input to sense power applied to the external circuit. -
Page 13: Gpio Jumpers
BMD-34 / 38 EVK - User guide 2.10 GPIO jumpers Many solder bridge jumpers on the board are available to allow GPIO configuration. Most solder jumpers are used to remove on-board components from the module’s GPIO nets to eliminate interference with external circuitry added on the I/O headers. All GPIOs are directly connected to the I/O Headers by default, except P0.00 &... - Page 14 BMD-34 / 38 EVK - User guide Pin name nRF52840 Function VSHLD +3.3 V Shield Power VSHLD +3.3 V Shield Power RESET P0.18 RESET_N / GPIO VSHLD +3.3 V Shield Power +5.0 V USB Power Ground Ground No connection Table 3: Header J5 Pin name nRF52840 Function...
- Page 15 BMD-34 / 38 EVK - User guide Pin name nRF52840 Function P0.07 P0.07 GPIO / TRACECLK P0.06 P0.06 GPIO P0.05 P0.05 GPIO / AIN3 P0.01 P0.01 OPEN / GPIO P0.00 P0.00 OPEN / GPIO Table 7: Header J9 Pin name nRF52840 Function P0.11...
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Page 16: Setting Up The Evaluation Board
BMD-34 / 38 EVK - User guide Setting up the evaluation board This section provides information on how to set up and program the BMD-340 evaluation kit with an example application. 3.1 Set up the tool chain 1. Install SEGGER Embedded Studio request a license. - Page 17 BMD-34 / 38 EVK - User guide ☞ The status LED, D5, will flash and then turn solid once the USB device is enumerated. Some flickering is normal. 3. After a few seconds, the computer will recognize the evaluation board as a J-Link device and install the USB-Virtual COM Port device driver.
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Page 18: Open An Example Project
BMD-34 / 38 EVK - User guide 10. While still in the J-Link Commander session, save the pre-programmed public Bluetooth address by typing in: savebin mac_addr.bin 0x10001080 8 11. Save the file to a convenient location for future use. mac_addr.bin 12. -
Page 19: Related Documents
BMD-34 / 38 EVK - User guide Related documents BMD-340 data sheet, UBX-19033353 BMD-341 data sheet, UBX-19033643 BMD-380 data sheet, UBX-19039467 Nordic nRF52840 product specification S140 SoftDevice specification u-blox package information guide, UBX-14001652 ☞ For product change notifications and regular updates of u-blox documentation, register on our website, www.u-blox.com. -
Page 20: Contact
BMD-34 / 38 EVK - User guide Contact For complete contact information, visit us at www.u-blox.com. u-blox Offices North, Central and South America Headquarters Asia, Australia, Pacific Europe, Middle East, Africa u-blox America, Inc. u-blox Singapore Pte. Ltd. u-blox AG Phone: +1 703 483 3180 Phone:...