Silicon Laboratories EFR32BG13 Blue Gecko User Manual Download Page 3

7.1  Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

7.2  Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

7.3  AEM Accuracy and Performance . . . . . . . . . . . . . . . . . . . . . . .22

7.4  Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

8.  On-Board Debugger . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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8.1  Host Interfaces

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8.1.1  USB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
8.1.2  Ethernet Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
8.1.3  Serial Number Identification

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8.2  Debug Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

8.3  Debugging During Battery Operation . . . . . . . . . . . . . . . . . . . . . .25

9.  Kit Configuration and Upgrades . . . . . . . . . . . . . . . . . . . . . . .

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9.1  Firmware Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

10.  Schematics, Assembly Drawings and BOM

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11.  Kit Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . .

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11.1  SLWSTK6020B Revision history . . . . . . . . . . . . . . . . . . . . . . .28

11.2  SLWRB4104A Revision history. . . . . . . . . . . . . . . . . . . . . . . .28

12.  Document Revision History . . . . . . . . . . . . . . . . . . . . . . . .

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 | Smart. Connected. Energy-friendly.

Rev. 1.00

Summary of Contents for EFR32BG13 Blue Gecko

Page 1: ...ice specific hardware WSTK MAINBOARD FEATURES Ethernet and USB connectivity Advanced Energy Monitor Virtual COM Port Packet Trace Interface support SEGGER J Link on board debugger Supports debugging t...

Page 2: ...Power Supply and Reset 10 4 1 Radio Board Power Selection 10 4 2 Board Controller Power 11 4 3 EFR32 Reset 11 5 Peripherals 12 5 1 Push Buttons and LEDs 12 5 2 Memory LCD TFT Display 13 5 3 Serial Fla...

Page 3: ...23 8 1 3 Serial Number Identification 23 8 2 Debug Modes 24 8 3 Debugging During Battery Operation 25 9 Kit Configuration and Upgrades 26 9 1 Firmware Upgrades 26 10 Schematics Assembly Drawings and B...

Page 4: ...different radio boards the actual pin mapping from a device pin to a mainboard feature is done on the radio board This means that each radio board has its own pin mapping to the Wireless Starter Kit...

Page 5: ...ature Sensor 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...

Page 6: ...race AEM Simplicity Connector Debug Connector Board Controller O U T I N MCU SMA Connector 2 4 GHz RF Inverted F PCB Antenna EFR32BG13 Wireless SoC ETM Trace 128 x 128 pixel Memory LCD I2C Si7021 Temp...

Page 7: ...f the kit this USB connector is also the main power source for the kit USB 5V from this connector powers the board controller and the Advanced Energy Monitor It is recommended that the USB host be abl...

Page 8: ...M_CTS EXP3 PA2 P0 VRF J101 J102 Figure 3 2 Radio Board Pin Mapping on Breakout Pads 3 4 Expansion Header On the right hand side of the Wireless STK Mainboard an angled 20 pin expansion header is provi...

Page 9: ...USART0_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 do...

Page 10: ...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 3 Figure 3 4 Debug Connector Note The pinout m...

Page 11: ...external target with the AEM unplug the Radio Board from the Wireless STK Mainboard to avoid that the Radio Board current consumption is added to the measurements Table 3 3 Simplicity Connector Pin De...

Page 12: ...esigns that use this connector The Mini Simplicity Connector is designed to offer advanced debug features from the Starter Kit on a 10 pin connector Serial Wire Debug SWD with SWO Packet Trace Interfa...

Page 13: ...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...

Page 14: ...eep 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 4...

Page 15: ...nnected 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...

Page 16: ...ser 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 con...

Page 17: ...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 th...

Page 18: ...ory 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...

Page 19: ...ins Signal Description 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 asser...

Page 20: ...the traget device Connecting to the Wireless STK on port 4901 gives access to the same data over TCP IP Data written into the VCOM interface by the target device can be read from the socket and data w...

Page 21: ...so the target firmware must be able to accept at least one more character after RTS is de asserted VCOM_RTS is connected to the CTS pin of the board controller and is enabled by setting handshake to...

Page 22: ...it must be connected to Ethernet using the Ethernet connector in the top left corner of the mainboard for the admin console to be available See Ethernet Interface for details on the Ethernet connectiv...

Page 23: ...tion data interface that does not require any additional I O pins apart from the debug interface It is based on SEGGER s Real Time Transfer RTT technology and uses Serial Wire Output SWO to get applia...

Page 24: ...ssing 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...

Page 25: ...00 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 7 4 Usage The AEM data is collected by the board con...

Page 26: ...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 8 1 1 USB Interface...

Page 27: ...ed to the EFR32 on the kit RADIO BOARD Board Controller USB Host Computer DEBUG HEADER External Hardware Figure 8 1 Debug MCU Debug OUT In this mode the on board debugger can be used to debug a suppor...

Page 28: ...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 powe...

Page 29: ...nfiguration dialog Figure 9 1 Simplicity Studio Kit Information Figure 9 2 Kit Configuration Dialog 9 1 Firmware Upgrades Upgrading the kit firmware is done through Simplicity Studio Simplicity Studio...

Page 30: ...bill of materials BOM are available through Simplicity Studio when the kit documentation pack age has been installed UG279 EFR32BG13 Blue Gecko Bluetooth Starter Kit User s Guide Schematics Assembly...

Page 31: ...02042 14 06 17 A00 Figure 11 1 Kit Label 11 1 SLWSTK6020B Revision history Kit Revision Released Description A00 2017 06 14 Initial release 11 2 SLWRB4104A Revision history Kit Revision Released Descr...

Page 32: ...Revision History Revision 1 00 2017 05 15 Initial document version UG279 EFR32BG13 Blue Gecko Bluetooth Starter Kit User s Guide Document Revision History silabs com Smart Connected Energy friendly R...

Page 33: ...ply 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 spe...

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