Silicon Laboratories UG172 User Manual
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Silicon Laboratories UG172 User Manual

Wizard gecko wi-fi module wireless starter kit slwstk6120a
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UG172: Wizard Gecko Wi-Fi® Module
Wireless Starter Kit SLWSTK6120A User's
Guide
The SLWSTK6120A is an excellent starting point to get familiar
with the WGM110 Wi-Fi Module.
The Wireless Starter Kit Mainboard contains sensors and peripherals demonstrating
some of the WGM110's many capabilities. The kit provides all necessary tools for devel-
oping Wi-Fi wireless applications.
ORDERING INFO
• SLWSTK6120A
silabs.com | Smart. Connected. Energy-friendly.
RADIO BOARD FEATURES
• WGM110 Wizard Gecko Wi-Fi Module
• 1 MB Flash
• 128 kB RAM
• P/N WGM110
• Integrated high performance chip antenna
• Transmit power +16 dBm
• CPU core 32-bit ARM Cortex-M3
KIT FEATURES
• Supplied with WGM110 Wi-Fi Module
BRD4320A
• USB connectivity
• 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
• LEDs / Push buttons / Reset button
• 20-pin 2.54 mm header for expansion
boards
• Breakout pads for direct access to all
WGM110 I/O pins
• Power sources
• USB
• 2 x AA battery holder
EXTENSION BOARD FEATURES
• Accelerometer
• Buttons and LEDs
• Joystick
• I2C Expansion
SOFTWARE SUPPORT
• Wizard Gecko Wi-Fi Software
• Wizard Gecko Wi-Fi SDK
• Example applications for the kit
Rev. 1.0

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Summary of Contents for Silicon Laboratories UG172

  • Page 1 UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide The SLWSTK6120A is an excellent starting point to get familiar KIT FEATURES with the WGM110 Wi-Fi Module. • Supplied with WGM110 Wi-Fi Module The Wireless Starter Kit Mainboard contains sensors and peripherals demonstrating BRD4320A some of the WGM110's many capabilities.

  • Page 2: Introduction

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Introduction 1. Introduction 1.1 Description SLWSTK6120A provides a complete development platform for Silicon Labs' Wizard Gecko WGM110Wi-Fi Module. The core of the SLWSTK6120A is the Wireless Starter Kit Mainboard which features an on-board J-Link debugger, a virtual COM port interface, an LCD display and a humidity/temperature sensor and through-holes to access all the pins of the Wizard Gecko Wi-Fi Module.

  • Page 3: Kit Hardware Layout

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Kit Hardware Layout 2. Kit Hardware Layout The layout of the Wizard Gecko Wi-Fi Module Wireless Starter Kit is shown below. 1.28" Memory-LCD Display microSD/SDHC card slot On the bottom side of the Radio Board...

  • Page 4: Kit Block Diagram

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Kit Block Diagram 3. Kit Block Diagram An overview of the Wizard Gecko Wi-Fi Module Wireless Starter Kit is shown in the figure below. WSTK Mainboard Board USB Mini-B...

  • Page 5: Connectors

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Connectors 4. Connectors This chapter gives you an overview of the Wireless Starter Kit Mainboard connectivity. The placement of the connectors can be seen in the figure below. In/Out Debug...

  • Page 6: Expansion Header

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Connectors 4.2 Expansion Header On the right hand side of the board an angled 20-pin expansion header is provided to allow connection of peripherals or plug-in 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: Debugging

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Connectors 4.3 Debugging Note: The Wireless Starter Kit Mainboard does not support this feature when used together with the Wizard Gecko WGM110 Module; however, BGTool can be used to debug BGAPI commands and error situations.
  • Page 8 UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Connectors Pin number(s) Function Note Cable detect This signal must be pulled to ground by the external debugger or application for ca- ble insertion detection. 11, 13 Not connected 3, 5, 15, 17, 19 silabs.com | Smart.

  • Page 9: Simplicity Connector

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Connectors 4.4 Simplicity Connector Note: The Wireless Starter Kit Mainboard does not support this feature when used together with the Wizard Gecko WGM110 Module. The Simplicity Connector featured on the Wireless Starter Kit Mainboard allows the Virtual COM port interface to be used towards an external target.

  • Page 10: Power Supply And Reset

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Power Supply and Reset 5. Power Supply and Reset This section explains the power supply options and reset functionalities of the WSTK. 5.1 Radio Board Power Selection The WGM110 Module on the Wireless Starter Kit can be powered by either one of the three sources listed below: •...

  • Page 11: Board Controller Power

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Power Supply and Reset 5.2 Board Controller Power The Board Controller is responsible for important features such as the debugger and is powered exclusively through the USB port loca- ted in the middle left side of the WSTK Mainboard.

  • Page 12: Peripherals

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Peripherals 6. Peripherals The SWTK Mainboard has a set of peripherals which can be used to demonstrate some of the features of the WGM110 Module. Be aware that most WGM110 I/O routed to peripherals are also routed to the breakout pads. This must be taken into consideration when using the breakout pads for your own applications.

  • Page 13: Memory Lcd-Tft Display

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Peripherals 6.2 Memory LCD-TFT Display A 1.28-inch SHARP Memory LCD-TFT is available on the WSTK Mainboard which enables the development of interactive applications. This high resolution 128 by 128 pixels display consumes very little power. It is a reflective monochrome display, so each pixel can only be light or dark, no backlight is needed in normal daylight conditions.

  • Page 14: Si7021 Relative Humidity And Temperature Sensor

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Peripherals 6.3 Si7021 Relative Humidity and Temperature Sensor The Si7021 I2C 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 I2C interface. The patented use of industry-standard, low-K polymeric dielectrics for sensing humidity enables the construction of low-power, monolithic CMOS Sensor ICs with low drift and hysteresis, and excellent long term stability.

  • Page 15: Usb Micro-B Connector

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Peripherals 6.4 USB Micro-B Connector The WSTK Radio Board is equipped with a USB Micro-B connector that is connected directly to the WGM110 Module's USB port. The Radio Board operates only in USB Device mode. The figure below shows how the USB lines are connected to the WGM110 Module.

  • Page 16: Expansion Board

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Expansion Board 7. Expansion Board The Expansion Board included with the WSTK includes the following features: • 1x 3-axis accelerometer (Bosch Sensortech BMA280) • 1x Joystick with 9 measureable positions •...

  • Page 17: Push Buttons And Leds

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Expansion Board 7.2 Push Buttons and LEDs The Expansion Board contains two push buttons (marked BTN2 and BTN3 on the PCB) and two LEDs (LED2 and LED3 not marked but placed correspondingly above the push button markings correspondingly).

  • Page 18: Joystick

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Expansion Board 7.3 Joystick The WSTK has an analog joystick with 9 measureable positions. This joystick is connected to the WGM110 Module pin PD4 and uses different resistor values to create voltages measurable by the internal ADC on the WGM110 Module. The joystick output is connected to AD Channel 0 (ADC0).

  • Page 19: Kit Features

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Kit Features 8. Kit Features The kit contains a Board controller which is responsible for performing various board-level tasks. An interface is provided between the WGM110 Module and the Board controller in the form of a UART connection. The connection is enabled by setting the VCOM_ENABLE (PE2) line high, and using the lines VCOM_TX (PE10) and VCOM_RX (PE11) for communication.

  • Page 20: Kit Revision History And Errata

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Kit Revision History and Errata 9. Kit Revision History and Errata 9.1 Revision History The kit revision can be found printed on the box label of the kit, as outlined in the figure below.

  • Page 21: Revision History

    UG172: Wizard Gecko Wi-Fi® Module Wireless Starter Kit SLWSTK6120A User's Guide Revision History 10. Revision History 10.1 Revision 1.0 Feb. 22, 2016 Initial release. silabs.com | Smart. Connected. Energy-friendly. Rev. 1.0 | 20...

  • Page 22: Table Of Contents

    Table of Contents 1. Introduction ....... . 1 1.1 Description ....... 1 1.2 Kit Contents .
  • Page 23 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 result in significant personal injury or death.
  • Page 24 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Silicon Laboratories SLWSTK6120A...

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