Silicon Laboratories SLWSTK6242A Manual de usuario
UG192: EZR32HG 915 MHz 20 dBm
Wireless Starter Kit User's Guide
A Wireless Starter Kit with the BRD4543B Radio Board is an ex-
cellent starting point to get familiar with the EZR32™ Happy
Gecko Wireless Microcontroller, and it provides all necessary tools
for developing a Silicon Labs wireless application.
BRD4543B is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref-
erence design for the EZR32HG Wireless MCU, with matching network for 20 dBm out-
put power, and an SMA connector for the 915 MHz band. The radio board also features
a USB Micro-B connector with device mode support.
The Wireless Starter Kit Mainboard contains an on-board J-Link debugger with a Packet
Trace Interface and a Virtual COM port, enabling application development and debug-
ging the attached radio board as well as external hardware. The Mainboard also con-
tains sensors and peripherals for easy demonstration of some of the EZR32's many ca-
pabilities.
This document describes how to use the BRD4543B Radio Board together with a Wire-
less Starter Kit Mainboard.
BRD4543B RADIO BOARD FEATURES
• EZR32 Happy Gecko Wireless MCU with
64 kB Flash, and 8 kB RAM.
(EZR32HG320F64R68G)
• 20 dBm output power
• SMA connector for 915 MHz RF
• USB 2.0 Full Speed (12 Mbps) Device
Mode
WIRELESS STK MAINBOARD FEATURES
• Advanced Energy Monitor
• Packet Trace Interface
• Virtual COM Port
• SEGGER J-Link on-board debugger
• External device debugging
• Ethernet and USB connectivity
• Silicon Labs Si7021 Relative Humidity and
Temperature sensor
• Low Power 128x128 pixel Memory LCD
• User LEDs / Pushbuttons
• 20-pin 2.54 mm EXP header
• Breakout pads for Wireless MCU I/O
• CR2032 coin cell battery support
SOFTWARE SUPPORT
• Simplicity Studio™
• Energy Profiler
ORDERING INFORMATION
• SLWSTK6242A
• SLWRB4543B
silabs.com | Building a more connected world. Rev. 1.01
Table of Contents
1. Introduction ................................4
1.1 Radio Boards ..............................4
1.2 Ordering Information ...........................4
1.3 Getting Started .............................4
2. Hardware Overview .............................5
2.1 Hardware Layout .............................5
2.2 Block Diagram..............................6
3. Connectors ................................7
3.1 J-Link USB Connector ...........................7
3.2 Ethernet Connector ............................7
3.3 Breakout Pads .............................8
3.4 Expansion Header ............................9
3.4.1 Expansion Header Pin-out .......................10
3.5 Debug Connector.............................11
3.6 Simplicity Connector............................12
3.7 Debug Adapter .............................13
4. Power Supply and Reset .......................... 14
4.1 Radio Board Power Selection ........................14
4.2 Board Controller Power...........................14
4.3 EZR32 Reset ..............................15
5. Peripherals ............................... 16
5.1 USB Micro-B Connector ..........................16
5.2 Push Buttons and LEDs ..........................16
5.3 Memory LCD-TFT Display..........................17
5.4 Si7021 Relative Humidity and Temperature Sensor .................18
5.5 Virtual COM Port .............................19
5.5.1 Host Interfaces ...........................20
5.5.2 Serial Configuration ..........................20
5.5.3 Hardware Handshake .........................21
6. Board Controller ............................. 22
6.1 Admin Console .............................22
6.1.1 Connecting .............................22
6.1.2 Built-in Help ............................22
6.1.3 Command Examples .........................23
6.2 Virtual UART ..............................23
7. Advanced Energy Monitor ......................... 24
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7.1 Introduction...............................24
7.2 Theory of Operation ............................24
7.3 AEM Accuracy and Performance .......................25
7.4 Usage ................................25
8. On-Board Debugger ............................ 26
8.1 Host Interfaces .............................26
8.1.1 USB Interface ............................26
8.1.2 Ethernet Interface ..........................26
8.1.3 Serial Number Identification .......................26
8.2 Debug Modes ..............................27
8.3 Debugging During Battery Operation ......................28
9. Kit Configuration and Upgrades ....................... 29
9.1 Firmware Upgrades ............................29
10. Schematics, Assembly Drawings, and BOM .................. 30
11. Kit Revision History ........................... 31
11.1 SLWSTK6242A Revision History .......................31
11.2 SLWRB4543B Revision History .......................31
12. Document Revision History ........................ 32
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1. Introduction
The EZR32HG Happy Gecko Wireless MCU itself is featured on a Radio Board that forms a complete reference design, including the
RF section and other components.
The Radio Board plugs directly into a Wireless Starter Kit Mainboard. The Mainboard features several tools for easy evaluation and
development of wireless applications. An on-board J-Link debugger enables programming and debugging on the target device over
USB or Ethernet. The Advanced Energy Monitor (AEM) offers real-time current and voltage monitoring. A virtual COM port interface
(VCOM) provides an easy-to-use serial port connection over USB or Ethernet. The Packet Trace Interface (PTI) offers invaluable debug
information about transmitted and received packets in wireless links.
All debug functionality, including AEM, VCOM and PTI, can also be used towards external target hardware instead of the attached radio
board.
To further enhance its usability, the Mainboard contains sensors and peripherals demonstrating some of the many capabilities of the
EZR32HG.
1.1 Radio Boards
A Wireless Starter Kit consists of one or more mainboards and radio boards that plug into the mainboard. Different radio boards are
available. Each featuring different Silicon Labs devices with different operating frequency bands.
Since the mainboard is designed to work with all 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 features such as
buttons, LEDs, the display, the EXP header and the breakout pads. Because this pin mapping is different for every radio board, it is
important that the correct document be consulted which shows the kit features in context of the radio board plugged in.
This document explains how to use the Wireless Starter Kit when the EZR32HG 915 MHz 20 dBm Radio Board (BRD4543B) is com-
bined with a Mainboard. The combination of these two boards is hereby referred to as a Wireless Starter Kit (Wireless STK).
1.2 Ordering Information
BRD4543B can be obtained as part of the SLWSTK6242A Wireless Starter Kit, or as a separate radio board SLWRB4543B.
Table 1.1. Ordering Information
Part Number Description Contents
SLWSTK6242A EZR32HG 915 MHz Wireless Starter Kit 2x BRD4001A Wireless Starter Kit Mainboard
2x BRD4543B EZR32HG 915 MHz 20 dBm Radio Board
2x 915 MHz dipole antenna (Linx ANT-916-CW-HWR-SMA)
2x USB Type A to Micro-B cable
2x USB Type A to Mini-B cable
SLWRB4543B EZR32HG 915 MHz 20 dBm Radio Board 1x BRD4543B EZR32HG 915 MHz 20 dBm Radio Board
1x 915 MHz dipole antenna (Linx ANT-916-CW-HWR-SMA)
1.3 Getting Started
Detailed instructions for how to get started can be found on the Silicon Labs web pages:
http://www.silabs.com/ezr32
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Introduction
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2. Hardware Overview
2.1 Hardware Layout
The layout of the EZR32HG 915 MHz 20 dBm Wireless Starter Kit is shown in the figure below.
On-board USB and
Ethernet J-Link
Debugger
Radio Board Breakout Pads Plug-in Radio Board
Si7021 Humidity and
Temperature 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 LEDs
Battery or
USB power
USB-serial-port
Packet-trace
Advanced Energy
Monitoring
Figure 2.1. Kit Hardware Layout
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Hardware Overview
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2.2 Block Diagram
An overview of the EZR32HG 915 MHz 20 dBm Wireless Starter Kit is shown in the figure below.
USB Micro-B
Connector
RF
Debug
USB Mini-B
Connector
UART
RJ-45 Ethernet
Connector
Packet Trace
AEM
Multiplexer
Debug
UART
ETM Trace
Packet Trace
AEM
Debug
UART
Packet Trace
AEM
Simplicity
Connector
Debug
Connector
Board
Controller
OUT
IN
MCU
EZR32HG
Wireless MCU
ETM Trace
128 x 128 pixel
Memory LCD
I2C Si7021
Temperature
& Humidity
Sensor
GPIO
EXP
Header
User Buttons
& LEDs
GPIO
SMA
Connector
Figure 2.2. Kit Block Diagram
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Hardware Overview
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3. Connectors
This chapter gives you an overview of the Wireless STK Mainboard connectivity. The placement of the connectors can be seen in the
figure below.
Simplicity
Connector
In/Out Debug
Header
GND
GND
5V
5V
P25
P24
P27
P26
P29
P28
P31
P30
P33
P32
P35
P34
P37
P36
P39
P38
P41
P40
P43
P42
P45
P44
GND
GND
NC
NC
Radio Board
Connectors
Expansion
Header
GND
GND
VMCU
VMCU
P1
P0
P3
P2
P5
P4
P7
P6
P9
P8
P11
P10
P13
P12
P15
P14
P17
P16
P19
P18
P21
P20
GND
GND
P23
P22
VRF
VRF
3V3
3V3
Ethernet
Connector
J-Link USB
Connector
Figure 3.1. Mainboard Connector Layout
3.1 J-Link USB Connector
The J-Link USB connector is situated on the left side of the Wireless Starter Kit mainboard. Most of the kit's development features are
supported through this USB interface when connected to a host computer, including:
• Debugging and programming of the target device using the on-board J-Link debugger
• Communication with the target device over the virtual COM port using USB-CDC
• Accurate current profiling using the Advanced Energy Monitor
In addition to providing access to development features of 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 able to
supply at least 500 mA to this connector, although the actual current required will vary depending on the application.
3.2 Ethernet Connector
The Ethernet connector provides access to all of the Wireless Starter Kit's development features over TCP/IP. The Ethernet interface
provides some additional development features to the user. Supported features include:
• Debugging and programming of the target device using the on-board J-Link debugger
• Communication with the target device over the virtual COM port using TCP/IP socket 4901
• "VUART" communication with the target device over the debug SWD/SWO interface using TCP/IP socket 4900
• Accurate current profiling using the Advanced Energy Monitor
• Packet Trace interface supports real-time radio packet and network analysis
• The "Admin Console", a telnet console that gives access to advanced configuration options, using TCP/IP socket 4902
Please note that the Wireless Starter Kit cannot be powered using the Ethernet connector, so in order to use this interface, the USB
connector must be used to provide power to the board.
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Connectors
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3.3 Breakout Pads
Most pins of the EZR32 are routed from the radio board to breakout pads at the top and bottom edges of the Wireless STK Mainboard.
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 EZR32
maps to the pin numbers printed on the breakout pads. To see the available functions on each, please refer to the data sheet for
EZR32HG320F64R68G.
GND
VMCU
P23 / NC
P21 / DBG_TMS_SWDIO / PF1
P19 / PC8 / VCOM_ENABLE
P17 / NC
GND
P15 / PA1 / DISP_ENABLE
P13 / EXP16 / PD6 / I2C_SDA
P11 / EXP14 / PD5 / VCOM_RX
P9 / EXP12 / PD4 / VCOM_TX
P7 / EXP10 / PE13
P5 / EXP8 / PE12 / DISP_SCLK
P3 / EXP6 / PE11
P1 / EXP4 / PE10 / DISP_SI
VRF
GND
VMCU
DISP_EXTCOMIN / PF3 / P22
DBG_TCK_SWCLK / PF0 / P20
NC / P18
NC / P16
GND
DISP_CS / PA0 / P14
I2C_SCL / PD7 / EXP15 / P12
NC / EXP13 / P10
PB11 / EXP11 / P8
BTN1 / PC10 / EXP9 / P6
BTN0 / PC9 / EXP7 / P4
LED0 / PF4 / EXP5 / P2
LED1 / PF2 / EXP3 / P0
VRF
J101
GNDGND
5V5V
NCNC
P45 / NCNC / P44
P43 / NCNC / P42
P41 / NCNC / P40
3V33V3
P39 / NCNC / P38
P37 / Tied High / SENSOR_ENABLENC / P36
P35 / NCNC / P34
P33 / RF_GPIO3RF_GPIO2 / P32
P31 / RF_GPIO1 / PTI_FRAMEPTI_DATA / RF_GPIO0 / P30
P29 / NCNC / P28
P27 / NCNC / P26
P25 / NCNC / P24
GNDGND
J102
Figure 3.2. Radio Board Pin Mapping on Breakout Pads
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Connectors
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3.4 Expansion Header
On the right hand side of the Wireless STK Mainboard an angled 20-pin expansion header is provided to allow connection of peripher-
als or plugin boards. The connector contains a number of I/O pins that can be used with most of the EZR32 Happy Gecko's features.
Additionally, the VMCU, 3V3 and 5V power rails are also exported.
The connector follows a standard which ensures that commonly used peripherals such as an SPI, a UART and an I2C bus are available
on fixed locations in the connector. The rest of the pins are used for general purpose IO. This allows the definition 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. Because of limitations in the number of available GPIO pins,
some of the expansion header pins are shared with kit features.
12
4
8
6
10
3
5
9
7
12
13
14
11
1516
17
18
20 19
VMCU
SPI_MOSI / PE10
SPI_MISO / PE11
SPI_CLK / PE12
SPI_CS / PE13
UART_TX / PD4
UART_RX / PD5
I2C_SDA / PD6
5V
3V3
GND
PF2 / GPIO
PF4 / GPIO
PC9 / GPIO
PC10 / GPIO
PB11 / GPIO
NC
PD7 / I2C_SCL
Board ID SDA
Board ID SCL
Reserved (Board Identification)
EZR32 I/O Pin
Figure 3.3. Expansion Header
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Connectors
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3.4.1 Expansion Header Pin-out
Many pins on the EZR32 are shared between the Expansion Header and other functions on the Wireless STK Mainboard. Table
3.1 Expansion Header Pinout on page 10 includes an overview of the mainboard features that share pins with the Expansion Header.
Table 3.1. Expansion Header Pinout
Pin Connection EXP Header function Shared feature Peripheral mapping
20 3V3 Board controller supply
18 5V Board USB voltage
16 PD6 I2C_SDA SENSOR_I2C_SDA I2C0_SDA #1
14 PD5 UART_RX VCOM_RX_MISO LEUART0_RX #0
12 PD4 UART_TX VCOM_TX_MOSI LEUART0_TX #0
10 PE13 SPI_CS USART0_CS #0
8 PE12 SPI_SCLK DISP_SCLK USART0_CLK #0
6 PE11 SPI_MISO USART0_RX #0
4 PE10 SPI_MOSI DISP_MOSI USART0_TX #0
2 VMCU EZR32 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 PD7 I2C_SCL SENSOR_I2C_SCL I2C0_SCL #1
13 Not connected
11 PB11 GPIO
9 PC10 GPIO BUTTON1
7 PC9 GPIO BUTTON0
5 PF4 GPIO LED0
3 PF2 GPIO LED0
1 GND Ground
UG192: EZR32HG 915 MHz 20 dBm Wireless Starter Kit User's Guide
Connectors
silabs.com | Building a more connected world. Rev. 1.01 | 10
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