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UG178: EFR32MG 2400/868 MHz 13 dBm
Dual Band Radio Board

The SLWRB4150A Radio Board for the Wireless Starter Kit Main-
board is an excellent starting point to get familiar with the
EFR32™ Mighty Gecko Wireless System-on-Chip.

The Wireless Starter Kit Mainboard contains sensors and peripherals demonstrating
some of the Mighty Gecko's many capabilities. These together provide all necessary
tools for developing a Silicon Labs wireless application.

The WSTK Mainboard is included with all Silicon Labs Wireless Starter Kits. It is not in-
cluded when purchasing a single radio board.

RADIO BOARD FEATURES

• EFR32 Mighty Gecko Wireless SoC with

256 kB Flash and 32 kB RAM.
(EFR32MG1P233F256GM48)

• Inverted-F PCB antenna (2.4 GHz band)
• SMA connector (868 MHz band)

WSTK MAINBOARD FEATURES

• Ethernet and USB connectivity
• Advanced Energy Monitor
• Packet Trace Interface support
• SEGGER J-Link on-board debugger
• Debug Multiplexer supporting external

hardware as well as radio board

• Silicon Labs' Si7021 Relative Humidity and

Temperature sensor

• Ultra low power 128x128 pixel Memory

LCD

• User LEDs / Pushbuttons
• 20-pin 2.54 mm header for expansion

boards

• Breakout pads for direct access to all radio

I/O pins

• Power sources includes USB, CR2032

coin cell and AA batteries.

SOFTWARE SUPPORT

• Simplicity Studio™
• Energy Profiler
• Network Analyzer

silabs.com

 | Smart. Connected. Energy-friendly.

Rev.  1.00 

Содержание SLWRB4150A

Страница 1: ...DIO BOARD FEATURES EFR32 Mighty Gecko Wireless SoC with 256 kB Flash and 32 kB RAM EFR32MG1P233F256GM48 Inverted F PCB antenna 2 4 GHz band SMA connector 868 MHz band WSTK MAINBOARD FEATURES Ethernet and USB connectivity Advanced Energy Monitor Packet Trace Interface support SEGGER J Link on board debugger Debug Multiplexer supporting external hardware as well as radio board Silicon Labs Si7021 Re...

Страница 2: ...nal target instead of the connected radio board To further enhance the WSTK usability the WSTK Mainboard contains sensors and peripherals demonstrating some of the Wireless SoC s many capabilities The radio board features an EFR32 and the RF interface Please refer to the Radio Board Reference Manual for detailed specifications and RF performance figures 1 1 Kit Contents The following items are inc...

Страница 3: ...nsor EXP header for expansion boards Serial port packet trace and Advanced Energy Monitoring header ARM Coresight 19 pin trace debug header Ultra low power 128x128 pixel memory LCD buttons and LEDs Battery or USB power USB serial port Packet trace Advanced Energy Monitoring Figure 2 1 SLWRB4150A with Wireless STK Mainboard UG178 EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board Kit Hardware Overvi...

Страница 4: ...race AEM Debug UART Packet Trace AEM Simplicity Connector Debug Connector Board Controller O U T I N MCU SMA Connector 868 MHz RF 2 4 GHz RF Inverted F PCB Antenna EFR32MG Wireless SoC ETM Trace 128 x 128 pixel Memory LCD I2C Si7021 Temperature Humidity Sensor SPI 8 Mbit MX25R Serial Flash GPIO EXP Header User Buttons LEDs GPIO Figure 3 1 Kit Block Diagram UG178 EFR32MG 2400 868 MHz 13 dBm Dual Ba...

Страница 5: ... pins The figure below shows you how the pins of the EFR32 maps to the pin numbers printed on the breakout pads To see the available functions on each please refer to the EFR32MG1P233F256GM48 Data Sheet GND VMCU P23 NC P21 NC P19 NC P17 NC GND P15 NC P13 PC11 I2C_SDA P11 PA1 VCOM_RX P9 PA0 VCOM_TX P7 PC9 P5 PC8 FLASH_SCLK DISP_SCLK P3 PC7 FLASH_MISO P1 PC6 FLASH_MOSI DISP_SI GND GND 5V 5V NC NC P4...

Страница 6: ...of expansion boards that can plug into a number of different Silicon Labs starter kits The figure below shows the pin assignment of the expansion header for the EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board Because of limitations in the number of available GPIO pins some of the expansion header pins are shared with kit features 1 2 4 8 6 10 3 5 9 7 12 13 14 11 15 16 17 18 20 19 VMCU SPI_MOSI P...

Страница 7: ...ART0_TX 0 10 PC9 SPI_CS USART1_CS 11 8 PC8 SPI_SCLK FLASH_SCLK DISP_SCLK USART1_CLK 11 6 PC7 SPI_MISO FLASH_MISO USART1_RX 11 4 PC6 SPI_MOSI FLASH_MOSI DISP_MOSI USART1_TX 11 2 VMCU EFR32 voltage domain included in AEM measurements 19 BOARD_ID_SDA Connected to Board Controller for identification of add on boards 17 BOARD_ID_SCL Connected to Board Controller for identification of add on boards 15 P...

Страница 8: ...4 8 6 10 3 5 9 12 13 14 11 15 16 17 18 20 19 TMS SWDIO C2D TCK SWCLK C2CK TDO SWO TDI C2Dps TRACECLK TRACED0 TRACED1 TRACED2 TRACED3 RESET C2CKps GND NC NC GND GND GND 7 GND VTARGET Cable Detect NC Figure 4 4 Debug Connector Note The pinout matches the pinout of an ARM Cortex Debug ETM connector but these are not fully compatible as pin 7 is physically removed from the Cortex Debug ETM connector S...

Страница 9: ...V voltage pins are not To monitor the current consumption of an external target with the AEM unplug the WSTK Radio Board from the WSTK Mainboard to avoid that the Radio Board current consumption is added to the measurements Table 4 3 Simplicity Connector Pin Descriptions Pin number s Function Description 1 VMCU 3 3 V power rail monitored by the AEM 3 3V3 3 3 V power rail 5 5V 5 V power rail 2 VCOM...

Страница 10: ...lso connected in series allowing accurate high speed current measurements and energy debugging profiling With the switch in the USB position radio boards with USB support can be powered by a regulator on the radio board itself BRD4150A does not contain an USB regulator and setting the switch in the USB postition will cause the EFR32 to be unpowered Finally with the switch in the BAT position a 20 ...

Страница 11: ...s been carefully designed to keep the board controller and the target power domains isolated from each other as one of them powers down This ensures that the target EFR32 device will continue to operate in the USB and BAT modes 5 3 EFR32 Reset The EFR32 Wireless SoC can be reset by a few different sources A user pressing the RESET button The on board debugger pulling the RESET pin low An external ...

Страница 12: ...e connected directly to the EFR32 and are debounced by RC filters with a time constant of 1 ms The buttons are connected to pins PF6 and PF7 The kit also features two yellow LEDs marked LED0 and LED1 that are controlled by GPIO pins on the EFR32 The LEDs are connec ted to pins PF4 and PF5 in an active high configuration PF5 GPIO User Buttons LEDs UIF_LED0 UIF_LED1 UIF_PB0 UIF_PB1 PF6 GPIO PF7 GPIO...

Страница 13: ...he user application always controls ownership of the display with the DISP_ENABLE signal DISP_ENABLE LOW The Board Controller has control of the display DISP_ENABLE HIGH The user application EFR32 has control of the display Power to the display is sourced from the target application power domain when the EFR32 controls the display and from the Board Controller s power domain when the DISP_ENABLE l...

Страница 14: ...t Figure 6 3 Radio Board Serial Flash The MX25R series are ultra low power serial flash devices so there is no need for a separate enable switch to keep current consump tion down However it is important that the flash is always put in deep power down mode when not used This is done by issuing a command over the SPI interface In deep power down the MX25R typically adds approximately 100 nA to the r...

Страница 15: ...tional factory installed cover offers a low profile convenient means of protecting the sensor during assembly e g reflow soldering and throughout the life of the product excluding liquids hydrophobic oleophobic and particulates The Si7021 offers an accurate low power factory calibrated digital solution ideal for measuring humidity dew point and temperature in applications ranging from HVAC R and a...

Страница 16: ...escription VCOM_TX Transmit data from the EFR32 to the board controller VCOM_RX Receive data from the board controller to the EFR32 VCOM_CTS Clear to Send hardware flow control input asserted by the board controller when it is ready to receive more data VCOM_RTS Request to Send hardware flow control output asserted by the EFR32 when it is ready to receive more data VCOM_ENABLE Enables the VCOM int...

Страница 17: ...nsfer application data between the host PC and the target processor The Admin Console which provides configuration of the various board features Silicon Labs publishes updates to the board controller firmware in form of firmware upgrade packages These updates may enable new features or fix issues See 11 2 Firmware Upgrades for details on firmware upgrade 7 1 Admin Console The admin console is a co...

Страница 18: ...erver user User management functions login The help command can be used in conjunction with any top level command to get a list of sub commands with description For exam ple pti help will print a list of all available sub commands of pti WSTK pti help pti commands config Configure packet trace disable Disable packet trace dump Dump PTI packets to the console as they come enable Enable packet trace...

Страница 19: ...rocessing within the kit s board controller before the current sense signal is read by a host computer for display and or storage The current sense amplifier measures the voltage drop over a small series resistor and the gain stage further amplifies this voltage with two different gain settings to obtain two current ranges The transition between these two ranges occurs around 250 µA The current si...

Страница 20: ...ll as 100 nA The AEM current sampling rate is 10 kHz Note The AEM circuitry only works when the kit is powered and the power switch is in the AEM position 8 4 Usage The AEM data is collected by the board controller and can be displayed by the Energy Profiler available through Simplicity Studio By using the Energy Profiler current consumption and voltage can be measured and linked to the actual cod...

Страница 21: ... the serial number when connecting over Ethernet this typically require the computer and the kit to be on the same subnet for the discovery proto col using UDP broadcast packets to work USB Interface The USB interface is available whenever the mini B USB connector on the left hand side of the kit is connected to a computer Ethernet Interface The Ethernet interface is available when the kit s Ether...

Страница 22: ...udio Debug MCU In this mode the on board debugger is connected to the EFR32 on the SLWRB4150A RADIO BOARD Board Controller USB Host Computer DEBUG HEADER External Hardware Figure 9 1 Debug MCU Debug OUT In this mode the on board debugger can be used to debug a supported Silicon Labs device mounted on a custom board Board Controller USB Host Computer DEBUG HEADER External Hardware RADIO BOARD Figur...

Страница 23: ...able If the USB power is disconnected the Debug In mode will stop working If debug access is required when the target is running of another energy source such as a battery and the board controller is powered down the user should make direct connections to the GPIO used for debugging This can be done by connecting to the appropriate pins of the breakout pads Some Silicon Labs kits provide a dedicat...

Страница 24: ...enabling VCOM the Board Controller makes communication to the host computer possible on the following interfaces Virtual USB serial port using a CDC driver TCP IP by connecting to the Wireless STK on port 4901 with a Telnet client Note Only one of these can be used at the same time meaning that if a socket is connected to port 4901 no data can be sent or received on the USB COM port 10 2 Virtual U...

Страница 25: ...ill work with a generic J Link debugger connected Figure 11 1 Kit Manager 11 2 Firmware Upgrades Upgrading the kit firmware is done through Simplicity Studio Simplicity Studio will automatically check for new updates on startup You can also use the Kit Manager for manual upgrades Click the Browse button in the Update Kit section to select the correct file ending in emz Then click the Install Packa...

Страница 26: ...ware included in the EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board are available through Simplicity Studio when the kit documentation package has been installed UG178 EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board Schematics Assembly Drawings and BOM silabs com Smart Connected Energy friendly Rev 1 00 25 ...

Страница 27: ...MG 2400 868 MHz 13 dBm Radio Board 124802042 01 05 16 A01 Figure 13 1 Revision info Table 13 1 Kit Revision History Kit Revision Released Description A01 2016 04 20 Initial release 13 2 Errata There are no known errata at present UG178 EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board Kit Revision History and Errata silabs com Smart Connected Energy friendly Rev 1 00 26 ...

Страница 28: ...ment Revision History Revision 1 00 2016 04 15 Initial document release UG178 EFR32MG 2400 868 MHz 13 dBm Dual Band Radio Board Document Revision History silabs com Smart Connected Energy friendly Rev 1 00 27 ...

Страница 29: ...EFR32 Reset 10 6 Peripherals 11 6 1 Push Buttons and LEDs 11 6 2 Memory LCD TFT Display 12 6 3 Serial Flash 13 6 4 Si7021 Relative Humidity and Temperature Sensor 14 6 5 Virtual COM Port 15 7 Board Controller 16 7 1 Admin Console 16 8 Advanced Energy Monitor 18 8 1 Introduction 18 8 2 Theory of Operation 18 8 3 AEM Accuracy and Performance 19 8 4 Usage 19 9 On Board Debugger 20 9 1 Host Interfaces...

Страница 30: ...Manager Operation 24 11 2 Firmware Upgrades 24 12 Schematics Assembly Drawings and BOM 25 13 Kit Revision History and Errata 26 13 1 Revision History 26 13 2 Errata 26 14 Document Revision History 27 Table of Contents 28 Table of Contents 29 ...

Страница 31: ...not imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Laboratories A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to res...

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