Silicon Laboratories Alcom UG525 Manuale utente

UG525: EFR32xG24 2.4 GHz 10 dBm

Wireless Pro Kit User's Guide

A Wireless Pro Kit with the BRD4186C Radio Board is an excel-

lent starting point to get familiar with the EFR32™ Wireless Gecko

Wireless System-on-Chip. It also provides all necessary tools for

developing a Silicon Labs wireless application.

BRD4186C is a plug-in board for the Wireless Starter Kit Mainboard (BRD4001A) and

the Wireless Pro Kit Mainboard (BRD4002A). It is a complete reference design for the

EFR32xG24 Wireless SoC, with matching network and a PCB antenna for 10 dBm out-

put power in the 2.4 GHz band.

The mainboards contain an on-board J-Link debugger with a Packet Trace Interface and

a Virtual COM port, enabling application development and debugging of the attached ra-

dio board as well as external hardware. The mainboards also contain sensors and pe-

ripherals for easy demonstration of some of the EFR32's many capabilities.

This document describes how to use the BRD4186C Radio Board together with a Wire-

less Starter Kit Mainboard or a Wireless Pro Kit Mainboard.

BRD4186C RADIO BOARD FEATURES

• EFR32xG24 Wireless Gecko Wireless

SoC with 1536 kB Flash and 256 kB RAM

(EFR32MG24B210F1536IM48).

• Inverted-F PCB antenna (2.4 GHz band)

• 8 Mbit low-power serial flash for over-the-

air upgrades

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-

TFT

• User LEDs / pushbuttons

• 20-pin 2.54 mm EXP header

• Breakout pads for Wireless SoC I/O

• CR2032 coin cell battery support

SOFTWARE SUPPORT

• Simplicity Studio™

• Energy Profiler

• Network Analyzer

ORDERING INFORMATION

• xG24-PK6009A

• xG24-RB4186C

V. 08/22

Table of Contents

1. Introduction ................................

1.1 Radio Boards ..............................4

1.2 Mainboards ...............................4

1.3 Ordering Information ............................5

1.4 Getting Started ..............................5

2. Hardware Overview .............................6

2.1 Hardware Layout .............................6

2.2 Block Diagram ..............................7

3. Connectors ................................8

3.1 J-Link USB Connector ...........................8

3.2 Ethernet Connector ............................8

3.3 Breakout Pads ..............................9

3.4 EXP Header ...............................11

3.4.1 EXP Header Pinout ...........................12

3.5 Debug Connector .............................13

3.6 Simplicity Connector ............................14

3.7 Mini Simplicity Connector ..........................15

3.8 Debug Adapter ..............................16

4. Power Supply and Reset ..........................17

4.1 Radio Board Power Selection .........................17

4.2 Kit Power ................................18

4.2.1 Board Controller Power .........................18

4.2.2 AEM Power .............................18

4.3 EFR32 Reset ..............................18

5. Peripherals ...............................19

5.1 Push Buttons and LEDs ...........................19

5.2 Memory LCD-TFT Display ..........................20

5.3 Serial Flash ...............................21

5.4 Si7021 Relative Humidity and Temperature Sensor .................22

5.5 Virtual COM Port .............................23

5.5.1 Host Interfaces ............................24

5.5.2 Serial Configuration ...........................24

5.5.3 Hardware Handshake ..........................25

6. Board Controller .............................26

6.1 Introduction ...............................26

6.2 Admin Console ..............................26

silabs.com | Building a more connected world. Rev. 1.0 | 2

6.2.1 Connecting ..............................26

6.2.2 Built-in Help .............................27

6.2.3 Command Examples ..........................27

6.3 Virtual UART ..............................27

6.3.1 Target to Host .............................27

6.3.2 Host to Target .............................28

6.3.3 Limitations ..............................28

6.3.4 Troubleshooting ............................28

7. Advanced Energy Monitor .........................29

7.1 Introduction ...............................29

7.2 Code Correlation .............................29

7.3 AEM Circuit ...............................29

7.3.1 AEM Details .............................30

8. On-Board Debugger ............................31

8.1 Host Interfaces ..............................31

8.1.1 USB Interface .............................31

8.1.2 Ethernet Interface ...........................31

8.1.3 Serial Number Identification ........................31

8.2 Debug Modes ..............................32

8.3 Debugging During Battery Operation ......................33

9. Kit Configuration and Upgrades .......................34

9.1 Firmware Upgrades ............................34

10. Schematics, Assembly Drawings, and BOM ..................35

11. Kit Revision History ...........................36

11.1 xG24-RB4186C Revision History .......................36

11.2 xG24-PK6009A Revision History .......................36

12. Document Revision History ........................37

silabs.com | Building a more connected world. Rev. 1.0 | 3

1. Introduction

The EFR32xG24 Wireless Gecko Wireless SoC is featured on a radio board that plugs directly into a Wireless Starter Kit (Wireless

STK) Mainboard or a Wireless Pro Kit Mainboard. The mainboards feature several tools for easy evaluation and development of wire-

less 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 that demonstrate some of the many capabilities of the

EFR32xG24. The mainboard also has a 20-pin EXP header which can be used for connecting EXP boards to the kit or for easy connec-

tion to I/Os on the radio board target IC.

1.1 Radio Boards

A Wireless Pro Kit consists of one or more mainboards and radio boards that plug into the mainboard. Different radio boards are availa-

ble, each featuring different Silicon Labs devices with different operating frequency bands. Because the mainboards are designed to

work with 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 Pro 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 to consult the correct docu-

ment, which shows the kit features in context of the radio board plugged in.

1.2 Mainboards

The EFR32xG24 2.4 GHz 10 dBm Radio Board (BRD4186C) can be used with either a Wireless Starter Kit Mainboard (BRD4001A) or

a Wireless Pro Kit Mainboard (BRD4002A). The Wireless Pro Kit Mainboard is the successor to the Wireless Starter Kit Mainboard,

which comes with some improvements and added features including increased AEM measurement range and sample rate, variable

VMCU voltage, joystick, and a Mini Simplicity Connector. Kit features, such as the Si7021 sensor and the EXP header, are available on

the same EFR32xG24 pins regardless of the mainboard being used, but the pinout to the breakout pads differs. The combination of the

EFR32xG24 2.4 GHz 10 dBm Radio Board with either one of these mainboards is hereby referred to as a Wireless Pro Kit as the figure

below illustrates.

Wireless Starter Kit Mainboard (BRD4001A)

Wireless Pro Kit Mainboard (BRD4002A)

Radio Board

(BRD4186C)

Wireless Pro Kit

Figure 1.1. Wireless Pro Kit Combinations

Note: This document explains how to use the Wireless Pro Kit when the EFR32xG24 2.4 GHz 10 dBm Radio Board (BRD4186C) is

combined with either a Wireless Starter Kit Mainboard (BRD4001A) or a Wireless Pro Kit Mainboard (BRD4002A). Since some of the

functionality of the kit depends on the type of mainboard used, it is important to consult the right information in the user guide whenever

there are discrepancies.

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Introduction

silabs.com | Building a more connected world. Rev. 1.0 | 4

1.3 Ordering Information

BRD4186C can be obtained as part of the xG24-PK6009A EFR32xG24 +10 dBm Pro Kit or as a separate radio board, xG24-RB4186C.

Table 1.1. Ordering Information

Part Number Description Contents

xG24-PK6009A EFR32xG24 +10 dBm Pro Kit 1x BRD4002A Wireless Pro Kit Mainboard

1x BRD4186C EFR32xG24 2.4 GHz 10 dBm Radio Board

1x 2xAA battery holder

1x 10-pin 1.27 mm IDC debug cable

xG24-RB4186C EFR32xG24 2.4 GHz 10 dBm Radio Board 1x BRD4186C EFR32xG24 2.4 GHz 10 dBm Radio Board

1.4 Getting Started

Detailed instructions for how to get started can be found on the Silicon Labs web pages: http://www.silabs.com/dev-tools.

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Introduction

silabs.com | Building a more connected world. Rev. 1.0 | 5

2. Hardware Overview

2.1 Hardware Layout

The layout of the EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit when the radio board is combined with a Wireless Pro Kit Mainboard

(BRD4002A) or a Wireless STK Mainboard (BRD4001A) is shown below.

Radio Board Breakout Pads

Si7021 Humidity and

Temperature Sensor

ARM Coresight 19-pin

trace/debug header

Ultra-low power

128x128 pixel

memory LCD

Battery or

USB power Buttons

and LEDs

Joystick

(Not connected

to BRD4186C)

Mini Simplicity

Connector

Plug-in Radio Board

EXP-header for

expansion boards

Logic Analyzer

(Planned feature)

On-board USB and Ethernet

J-Link Debugger

- Virtual COM Port

- Packet-trace

- Advanced Energy

Monitoring

Simplicity Connector

Figure 2.1. Hardware Layout With A Wireless Pro Kit Mainboard (BRD4002A)

Radio Board Breakout Pads Plug-in Radio Board

Si7021 Humidity and

Temperature Sensor

EXP-header for

expansion boards

ARM Coresight 19-pin

trace/debug header

Ultra-low power 128x128

pixel memory LCD,

buttons and LEDs

Battery or

USB power

On-board USB and Ethernet

J-Link Debugger

- Virtual COM Port

- Packet-trace

- Advanced Energy

Monitoring

Simplicity Connector

Figure 2.2. Hardware Layout With A Wireless STK Mainboard (BRD4001A)

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Hardware Overview

silabs.com | Building a more connected world. Rev. 1.0 | 6

2.2 Block Diagram

An overview of the EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit is shown in the figure below.

RJ-45 Ethernet

Connector

USB

Connector

Simplicity

Connector

Debug

Connector

Mini Simplicity

Connector

Only on BRD4002A

Debug

UART

Packet Trace

AEM

Multiplexer

Debug

UART

Packet Trace

AEM

Debug

UART

Packet Trace

AEM

Board

Controller

OUT

MCU

SMA

Connector

2.4 GHz RF

Inverted-F

PCB Antenna

EFR32xG24

Wireless SoC

128 x 128 pixel

Memory LCD

I2C

Si7021

Temperature

& Humidity

Sensor

SPI 8 Mbit

MX25R

Serial Flash

GPIO

EXP

Header

User Buttons

& LEDs

GPIO

ETM Trace

Figure 2.3. Kit Block Diagram

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Hardware Overview

silabs.com | Building a more connected world. Rev. 1.0 | 7

3. Connectors

This chapter gives you an overview of the mainboard connectivity. The placement of the connectors on the Wireless Pro Kit Mainboard

(BRD4002A) and the Wireless STK Mainboard (BRD4001A) is shown below.

P101

GND

VMCU

F11

F10

F13

F12

P15

P14

P17

P16

P19

P18

P21

P20

GND

P23

P22

VRF

GND

P25

P24

P27

P26

P29

P28

P31

P30

P33

P32

P35

P34

P37

P36

P39

P38

P41

P40

P43

P42

P45

P44

GND

F20

F19

3V3

Ethernet

Connector

J-Link USB

Connector

Radio Board

Connectors

Logic Analyzer

Connector

(Planned Feature)

Mini Simplicty

Connector

Debug

Connector

Simplicity

Connector

EXP Header

Figure 3.1. Wireless Pro Kit Mainboard (BRD4002A) Connector Layout

Simplicity

Connector

Debug

Connector

Radio Board

Connectors

EXP Header

GND

VMCU

P11

P10

P13

P12

P15

P14

P17

P16

P19

P18

P21

P20

GND

P23

P22

VRF

GND

P25

P24

P27

P26

P29

P28

P31

P30

P33

P32

P35

P34

P37

P36

P39

P38

P41

P40

P43

P42

P45

P44

GND

3V3

Ethernet

Connector

J-Link USB

Connector

Figure 3.2. Wireless STK Mainboard (BRD4001A) Connector Layout

3.1 J-Link USB Connector

The J-Link USB connector is situated on the left side of the mainboard and provides access to the kit features described in Section

6. Board Controller through the USB interface. In addition to providing access to development features of the kit, this USB connector is

also the main power source for the kit powering both the board controller and the AEM as described in Section 4. Power Supply and

Reset.

3.2 Ethernet Connector

The Ethernet connector is situated on the left side of the mainboard and provides access to the kit features described in Section

6. Board Controller over TCP/IP. The J-Link USB connector must be connected while using this interface to provide power to the Wire-

less Pro Kit as power is not suppled over the Ethernet connector.

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.0 | 8

3.3 Breakout Pads

Most of the EFR32 pins are routed from the radio board to breakout pads at the top and bottom edges of the mainboard. A 2.54 mm

pitch pin header can be soldered on for easy access to the pins. The figures below show how the pins of the EFR32 map to the pin

numbers printed on the breakout pads on the Wireless Pro Kit Mainboard (BRD4002A) and the Wireless STK Mainboard (BRD4001A).

To see the available functions on each pin, refer to the data sheet for EFR32MG24B210F1536IM48.

Note: Pinout to the breakout pads depends on the mainboard being used.

GND

VMCU

P23 / NC

P21 / PB03 / UIF_BUTTON1

P19 / PB02 / UIF_LED0

P17 / PB01 / UIF_BUTTON0

GND

P15 / PB00 / VCOM_ENABLE

F13 / PB03 / UIF_BUTTON1

F11 / PB04 / UIF_LED1

F9 / PA00 / VCOM_RTS / EXP5

F7 / PA09 / VCOM_RX / EXP14

F5 / PB00 / VCOM_ENABLE

F3 / PA04 / DBG_TDI / DBG_TRACECLK

F1 / PA01 / DBG_TCK_SWCLK

VRF

GND

VMCU

NC / P22

DBG_TCK_SWCLK / PA01 / P20

DBG_TMS_SWDIO / PA02 / P18

DBG_TRACED0 / DBG_TDO_SWO / PA03 / P16

GND

DBG_TRACECLK / DBG_TDI / PA04 / P14

UIF_BUTTON0 / PB01 / F12

UIF_LED0 / PB02 / F10

EXP3 / VCOM_CTS / PB05 / F8

EXP12 / VCOM_TX / PA08 / F6

DBG_RESET / RESETn / F4

DBG_TRACED0 / DBG_TDO_SWO / PA03 / F2

DBG_TMS_SWDIO / PA02 / F0

VRF

BOTTOM EDGE

GNDGND

5V5V

F20 / PD04 / PTI0_DATAPTI0_SYNC / PD05 / F19

P45 / PA07 / DBG_TRACED3 / EXP13EXP11 / DBG_TRACED2 / PA06 / P44

P43 / PA05 / DBG_TRACED1 / EXP7DBG_TRACED0 / DBG_TDO_SWO / PA03 / P42

P41 / PA04 / DBG_TDI / DBG_TRACECLKNC / P40

3V33V3

P39 / NCNC / P38

P37 / PD03 / SENSOR_ENABLENC / P36

P35 / PC04 / FLASH_CSNC / P34

P33 / PC06 / DISP_EXTCOMINNC / P32

P31 / PC08 / DISP_SCSNC / P30

P29 / PC09 / DISP_ENABLENC / P28

P27 / NCUIF_LED1 / PB04 / P26

P25 / PD04 / PTI0_DATAPTI0_SYNC / PD05 / P24

GNDGND

TOP EDGE

Figure 3.3. Wireless Pro Kit Mainboard (BRD4002A) Breakout Pad Pin Mapping

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.0 | 9

GND

VMCU

P23 / NC

P21 / PB03 / BTN1

P19 / PB02 / LED0

P17 / PB01 / BTN0

GND

P15 / PB00 / VCOM_ENABLE

P13 / PC07 / EXP16 / I2C_SDA

P11 / PA09 / EXP14 / VCOM_RX

P9 / PA08 / EXP12 / VCOM_TX

P7 / PC00 / EXP10

P5 / PC03 / EXP8 / FLASH_SCLK / DISP_SCLK

P3 / PC02 / EXP6 / FLASH_MISO

P1 / PC01 / EXP4 / FLASH_MOSI / DISP_SI

VRF

GND

VMCU

NC / P22

DBG_TCK_SWCLK / PA01 / P20

DBG_TMS_SWDIO / PA02 / P18

DBG_TMS_SWO / PA03 / P16

GND

DBG_TDI / PA04 / P14

I2C_SCL / EXP15 / PC05 / P12

EXP13 / PA07 / P10

EXP11 / PA06 / P8

EXP9 / PD02 / P6

EXP7 / PA05 / P4

VCOM_RTS / EXP5 / PA00 / P2

VCOM_CTS / EXP3 / PB05 / P0

VRF

BOTTOM EDGE

GNDGND

5V5V

NCNC

P45 / PA07 / TRACED3PA06 / TRACED2 / P44

P43 / PA05 / TRACED1PA03 / TRACED0 / P42

P41 / PA04 / TRACECLKNC / P40

3V33V3

P39 / NCNC / P38

P37 / PD03 / SENSOR_ENABLEJOYSTICK / PD02 / P36

P35 / PC04 / FLASH_SCSNC / P34

P33 / PC06 / DISP_EXTCOMINNC / P32

P31 / PC08 / DISP_SCSNC / P30

P29 / DISP_ENABLE / PC09NC / P28

P27 / NCLED1 / PB04 / P26

P25 / PD04 / PTI_DATAPTI_SYNC / PD05 / P24

GNDGND

TOP EDGE

Figure 3.4. Wireless STK Mainboard (BRD4001A) Breakout Pad Pin Mapping

UG525: EFR32xG24 2.4 GHz 10 dBm Wireless Pro Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.0 | 10

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