Silicon Laboratories WGM110 User Manual
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Silicon Laboratories WGM110 User Manual

Silicon Laboratories WGM110 User Manual

Wi-fi module wireless starter kit
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UG172: WGM110 Wi-Fi Module
Wireless Starter Kit User's Guide
A Silicon Labs Wireless Starter Kit for the WGM110 Wizard Gecko
Wi-Fi® Module is an excellent starting point to get familiar with the
device, and it provides all necessary tools for developing a Silicon
Labs wireless application.
The Wireless Starter Kit Mainboard contains sensors and peripherals enabling easy
demonstration of some of the WGM110's many capabilities. An on-board J-Link debug-
ger allows debugging of the attached radio board as well as providing a debug connec-
tion for external hardware.
A plug-in Radio Board contains the reference design for the WGM110 itself, including the
RF section and device-specific hardware.
silabs.com | Smart. Connected. Energy-friendly.
WSTK MAINBOARD FEATURES
• Ethernet and USB connectivity
• SEGGER J-Link on-board debugger
• Supports debugging the attached radio
board or an external device
• 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 radio
board I/O pins
• Power sources include USB and CR2032
coin cell.
BRD4320A RADIO BOARD FEATURES
• WGM110 Wizard Gecko Wi-Fi Module with
1 MB Flash and 128 kB RAM, with on-
board chip antenna, RF match.
• USB Micro-B connector offers device mode
support.
• MicroSD card slot.
EXPANSION BOARD FEATURES
• Accelerometer
• Buttons and LEDs
• Joystick
SOFTWARE SUPPORT
• Wizard Gecko Wi-Fi Software
• Wizard Gecko Wi-Fi SDK
Rev. 2.00

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Summary of Contents for Silicon Laboratories WGM110

  • Page 1 Temperature sensor tion for external hardware. • Ultra low power 128x128 pixel Memory A plug-in Radio Board contains the reference design for the WGM110 itself, including the • User LEDs / Pushbuttons RF section and device-specific hardware. • 20-pin 2.54 mm header for expansion boards •...

  • Page 2: Introduction

    Introduction 1. Introduction The WGM110 Wizard Gecko Wi-Fi Module itself is featured on a Radio Board that forms a complete reference design, inluding the RF section and other components. The WGM110 Radio Board plugs directly into a Wireless Starter Kit Mainboard. The WSTK Mainboard features several tools for easy evaluation and development of wireless applications.

  • Page 3: Kit Hardware Overview

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Kit Hardware Overview 2. Kit Hardware Overview The layout of the WGM110 Wi-Fi Module Wireless Starter Kit is shown in the figure below. 1.28" Memory-LCD Display microSD/SDHC card slot On the bottom side of the Radio Board...

  • Page 4: Kit Block Diagram

    USB Mini-B UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Kit Block Diagram Connector 3. Kit Block Diagram An overview of the WGM110 Wi-Fi Module Wireless Starter Kit is shown in the figure below. Board USB Mini-B Controller RJ-45 Ethernet...

  • Page 5: Connectors

    4.1 Breakout Pads Most of the WGM110's pins are routed from the radio board to breakout pads at the top and bottom edges of the Wireless STK Main- board. A 2.54 mm pitch pin header can be soldered on for easy access to the pins. The figure below shows you how the pins of the WGM110 maps to the pin numbers printed on the breakout pads.

  • Page 6: Expansion Header

    On the right hand side of the board an angled 20-pin expansion header is provided to allow connection of peripherals or plugin boards. The connector contains a number of I/O pins that can be used with most of the WGM110 Wizard Gecko's features. Additionally, the VMCU, 3V3 and 5V power rails are also exported.

  • Page 7: Expansion Header Pin-Out

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Connectors 4.2.1 Expansion Header Pin-out Many pins on the WGM110 are shared between the Expansion Header and other functions on the Wireless STK Mainboard. Table 4.1 Expansion Header Pinout on page 6 includes an overview of the mainboard features that share pins with the Expansion Header.

  • Page 8: Debug Connector

    The Debug Connector serves multiple purposes based on the "debug mode" setting which can be configured in Simplicity Studio. When the debug mode is set to "Debug IN", the debug connector can be used to connect an external debugger to the WGM110 on the radio board.

  • Page 9: Simplicity Connector

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Connectors 4.4 Simplicity Connector The Simplicity Connector enables the advanced debugging features, such as the AEM, the Virtual COM port and the Packet Trace In- terface, to be used towards an external target. The pinout is illustrated in the figure below.

  • Page 10: Power Supply And Reset

    With the switch in the BAT position, the WGM110 Module is powered by 2 x AA sized batteries. This requires that the external battery holder with 2 x AA batteries is connected to the Expansion Header (after removing the Expansion Board).

  • Page 11: Board Controller Power

    • An external debugger pulling the #RESET pin low. In addition to the reset sources mentioned above, a reset to the WGM110 will also be issued during Board Controller boot-up. This means that removing power to the Board Controller (plugging out the J-Link USB cable) will not generate a reset, but plugging the cable back in will, as the Board Controller boots up.

  • Page 12: Peripherals

    6.1 Push Buttons and LEDs The kit has two user push buttons marked PB0 and PB1. They are connected directly to the WGM110, and are debounced by RC filters with a time constant of 1 ms. The buttons are connected to pins PA2 and PA6.

  • Page 13: Memory Lcd-Tft Display

    • DISP_ENABLE = HIGH: The user application (WGM110) has control of the display Power to the display is sourced from the target application power domain when the WGM110 controls the display, and from the Board Controller's power domain when the DISP_ENABLE line is low. Data is clocked in on DISP_SI when DISP_CS is high, and the clock is sent on DISP_SCLK.

  • Page 14: Si7021 Relative Humidity And Temperature Sensor

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Peripherals 6.3 Si7021 Relative Humidity and Temperature Sensor The Si7021 I C relative humidity and temperature sensor is a monolithic CMOS IC integrating humidity and temperature sensor ele- ments, an analog-to-digital converter, signal processing, calibration data, and an I C Interface.

  • Page 15: Usb Micro-B Connector

    Programming related information The microSD card slot is connected to USART1 Location 1 of the WGM110 Module and the Chip Select to Port D Bit 7. GPIO pinout, interfaces and alternative locations are described in the WGM110 Wi-Fi Module Data Sheet, hardware configuration in the UG161: WGM110 Wi-Fi Module Configuration User's Guide and related commands in detail in the WGM110 API Reference Manual.
  • Page 16 Peripherals CMD_MOSI PD0 (USART1_TX) DAT0_MISO PD1 (USART1_RX) PD2 (USART1_CLK) microSD Card CD_DAT3_CS PD7 (GPIO) Connector DETECT PD6 (GPIO) WGM110 Figure 6.5. Connection between Radio Board microSD Card Slot and WGM110 Module silabs.com | Smart. Connected. Energy-friendly. Rev. 2.00 | 15...

  • Page 17: Virtual Com Port

    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 WGM110 when it is ready to receive more data VCOM_ENABLE Enables the VCOM interface, allowing data to pass through to the board controller.

  • Page 18: Expansion Board

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Expansion Board 7. Expansion Board The User Interface Expansion Board included with the WGM110 Wireless STK includes the following features: • 1x 3-axis accelerometer (Bosch Sensortech BMA280) • 1x Joystick with 9 measurable positions •...

  • Page 19: Push Buttons And Leds

    The analog joystick offers 9 measureable positions. This joystick is connected to the WGM110 pin PD4. Each of the joystick output pins are connected to a different resistor value to create a unique voltage that is measured by the internal ADC on the WGM110. The joy- stick output is connected to AD Channel 0 (ADC0).

  • Page 20: Board Controller

    8. Board Controller The Wireless STK Mainboard contains a microcontroller separate from the WGM110 Wizard Gecko that is responsible for some of the advanced kit features provided. This microcontroller is referred to as the "Board Controller", and is not programmable by the user. The board controller acts as an interface between the host PC and the target device on the radio board, as well as handling some house- keeping functions on the board.
  • Page 21 UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Board Controller ■ Command Examples PTI Configuration pti config 0 efruart 1600000 Configures PTI to use the "EFRUART" mode at 1.6 Mb/s. Serial Port Configuration serial config vcom handshake enable Enables hardware handshake on the VCOM UART connection.

  • Page 22: On-Board Debugger

    9. On-Board Debugger The Wireless Starter Kit contains an integrated debugger, which can be used to download code and debug the WGM110. In addition to programming the WGM110 on the kit, the debugger can also be used to program and debug external Silicon Labs EFM32, EFM8, EZR32 and EFR32 devices.

  • Page 23: Debug Modes

    Programming external devices is done by connecting to a target board through the provided Debug IN/OUT Connector, and by setting the debug mode to [Out]. The same connector can also be used to connect an external debugger to the WGM110 Wi-Fi Module on the kit, by setting debug mode to [In].

  • Page 24: Debugging During Battery Operation

    Note: For "Debug IN" to work, the board controller on the kit must be powered throught the USB connector. 9.3 Debugging During Battery Operation When the WGM110 is powered by battery and the J-Link USB is still connected, the on-board debug functionality is available. If the USB power is disconnected, the Debug In mode will stop working.

  • Page 25: Kit Manager And Upgrades

    10.1 Kit Manager Operation This utility gives the ability to program the WGM110, upgrade the kit, lock and unlock devices and more. Some of the features will only work with Silicon Labs kits, while other will work with a generic J-Link debugger connected.

  • Page 26: Radio Board Connectors

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Radio Board Connectors 11. Radio Board Connectors Radio Boards contain two dual-row, female socket, 0.05" pitch polarized connectors (P/N: SFC-120-T2-L-D-A-K-TR) which provide the interface to the Wireless Starter Kit Mainboard. The Mainboard has the corresponding male header pin connectors (P/N: TFC-120-02- F-D-LC-ND).

  • Page 27: Mechanical Details

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Mechanical Details 12. Mechanical Details The mechanical layout of BRD4320A WGM110 Wizard Gecko Wi-Fi Module Radio Board is illustrated in the figures below. 40 mm Figure 12.1. BRD4320A Top View 20 mm Figure 12.2.

  • Page 28: Schematics, Assembly Drawings And Bom

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Schematics, Assembly Drawings and BOM 13. Schematics, Assembly Drawings and BOM Schematics, assembly drawings and bill of materials (BOM) are available through Simplicity Studio when the kit documentation pack- age has been installed.

  • Page 29: Radio Board Revision History And Errata

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Radio Board Revision History and Errata 14. Radio Board Revision History and Errata 14.1 Revision History The Radio Board revision is printed on the backside of the BRD4300A Radio Board. Table 14.1. BRD4320A Revision History...

  • Page 30: Kit Revision History

    UG172: WGM110 Wi-Fi Module Wireless Starter Kit User's Guide Kit Revision History 15. Kit Revision History The kit revision can be found printed on the kit packaging label, as outlined in the figure below. Wizard Gecko Module Wireless Starter Kit...

  • Page 31: Document Revision History

    Several updates to sections on kit features. Revision 1.10 2016-05-18 Added kit revision A03 to revision history. Figure 7.3 "Connection between the Expansion Board Joystick and WGM110 Module AD Channel 4" updated. Revision 1.00 2016-02-22 Initial document release. silabs.com | Smart. Connected. Energy-friendly.

  • Page 32: Table Of Contents

    5.2 Board Controller Power......10 5.3 WGM110 Reset ......10 5.4 Battery Holder .
  • Page 33 10.1 Kit Manager Operation ......24 10.2 Firmware Upgrades ......24 11.
  • Page 34 Trademark Information Silicon Laboratories Inc.® , Silicon Laboratories®, Silicon Labs®, SiLabs® and the Silicon Labs logo®, Bluegiga®, Bluegiga Logo®, Clockbuilder®, CMEMS®, DSPLL®, EFM®, EFM32®, EFR, Ember®, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZRadio®, EZRadioPRO®, Gecko®, ISOmodem®, Precision32®, ProSLIC®, Simplicity Studio®, SiPHY®, Telegesis, the Telegesis Logo®, USBXpress®...

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