Silicon Laboratories SLWSTK6244A Bedienungsanleitung

UG194: EZR32HG 169 MHz 20 dBm

Wireless Starter Kit User's Guide

A Wireless Starter Kit with the BRD4544A 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.

BRD4544A 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 169 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 BRD4544A Radio Board together with a Wire-

less Starter Kit Mainboard.

BRD4544A RADIO BOARD FEATURES

• EZR32 Happy Gecko Wireless MCU with

64 kB Flash, and 8 kB RAM.

(EZR32HG320F64R63G)

• 20 dBm output power

• SMA connector for 169 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

• SLWSTK6244A

•SLWRB4544A

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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 SLWSTK6244A Revision History .......................31

11.2 SLWRB4544A 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 169 MHz 20 dBm Radio Board (BRD4544A) 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

BRD4544A can be obtained as part of the SLWSTK6244A Wireless Starter Kit, or as a separate radio board SLWRB4544A.

Table 1.1. Ordering Information

Part Number Description Contents

SLWSTK6244A EZR32HG 169 MHz Wireless Starter Kit 2x BRD4001A Wireless Starter Kit Mainboard

2x BRD454A EZR32HG 169 MHz 20 dBm Radio Board

2x 169 MHz dipole antenna (Laird EXH170SM)

2x USB Type A to Micro-B cable

2x USB Type A to Mini-B cable

SLWRB4544A EZR32HG 169 MHz 20 dBm Radio Board 1x BRD4544A EZR32HG 169 MHz 20 dBm Radio Board

1x 169 MHz dipole antenna (Laird EXH170SM)

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

UG194: EZR32HG 169 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 169 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

UG194: EZR32HG 169 MHz 20 dBm Wireless Starter Kit User's Guide

Hardware Overview

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2.2 Block Diagram

An overview of the EZR32HG 169 MHz 20 dBm Wireless Starter Kit is shown in the figure below.

USB Micro-B

Connector

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

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

UG194: EZR32HG 169 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

P25

P24

P27

P26

P29

P28

P31

P30

P33

P32

P35

P34

P37

P36

P39

P38

P41

P40

P43

P42

P45

P44

GND

Radio Board

Connectors

Expansion

Header

GND

VMCU

P11

P10

P13

P12

P15

P14

P17

P16

P19

P18

P21

P20

GND

P23

P22

VRF

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.

UG194: EZR32HG 169 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

EZR32HG320F64R63G.

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

UG194: EZR32HG 169 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.

1516

20 19

VMCU

SPI_MOSI / PE10

SPI_MISO / PE11

SPI_CLK / PE12

SPI_CS / PE13

UART_TX / PD4

UART_RX / PD5

I2C_SDA / PD6

3V3

GND

PF2 / GPIO

PF4 / GPIO

PC9 / GPIO

PC10 / GPIO

PB11 / GPIO

PD7 / I2C_SCL

Board ID SDA

Board ID SCL

Reserved (Board Identification)

EZR32 I/O Pin

Figure 3.3. Expansion Header

UG194: EZR32HG 169 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

UG194: EZR32HG 169 MHz 20 dBm Wireless Starter Kit User's Guide

Connectors

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