Silicon Laboratories SLSTK3701A Manuale utente

UG287: EFM32 Giant Gecko GG11 Starter

Kit User's Guide

The SLSTK3701A Starter Kit is an excellent starting point to get

familiar with the EFM32™ Giant Gecko GG11 Microcontroller.

The Starter Kit contains sensors and peripherals demonstrating some of the Giant Gecko

GG11's many capabilities. The kit provides all necessary tools for developing an EFM32

Giant Gecko GG11 application.

TARGET DEVICE

• EFM32 Giant Gecko GG11 Microcontroller

(EFM32GG11B820F2048GL192)

• CPU: 32-bit ARM® Cortex-M4® with FPU

• Memory: 2048 kB flash and 512 kB RAM

KIT FEATURES

• USB connectivity

• Advanced Energy Monitor

• SEGGER J-Link on-board debugger

• Debug Multiplexer supporting external

hardware as well as on-board MCU

• Silicon Labs Si7021 Relative Humidity and

Temperature sensor

• User LEDs / Pushbuttons

• Ultra low power 128x128 pixel color

Memory LCD

• Inductive LC sensor

• Silicon Labs Si7210 Hall-Effect Sensor

• Digital Stereo Microphones

• Micro-SD Slot

• 32 Mbit QSPI flash memory

• Ethernet connectivity

• Capacitive Touch Slider

• 20-pin 2.54 mm header for expansion

boards

• Breakout pads for direct access to I/O pins

• Power sources include USB and CR2032

coin cell battery.

SOFTWARE SUPPORT

• Simplicity Studio™

• IAR Embedded Workbench

silabs.com | Building a more connected world. Rev. 1.10

Table of Contents

1. Introduction ................................4

1.1 Description ...............................4

1.2 Features................................4

1.3 Getting Started .............................4

2. Kit Block Diagram .............................5

3. Kit Hardware Layout ............................6

4. Connectors ................................7

4.1 Breakout Pads .............................7

4.2 Expansion Header ............................9

4.3 Debug Connector (DBG) ..........................11

4.4 Simplicity Connector............................12

5. Power Supply and Reset ..........................13

5.1 MCU Power Selection ...........................13

5.2 Board Controller Power...........................13

5.3 EFM32 Reset ..............................14

6. Peripherals ...............................15

6.1 Push Buttons and RGB LEDs ........................15

6.2 Memory LCD-TFT Display..........................16

6.3 Capacitive Touch Slider ..........................17

6.4 Si7021 Relative Humidity and Temperature Sensor .................17

6.5 Si7210 Hall-Effect Sensor ..........................18

6.6 LC Sensor ...............................18

6.7 Digital Stereo Microphones .........................19

6.8 USB Micro-AB Connector ..........................20

6.9 QSPI Flash Memory ............................21

6.10 Micro-SD Slot .............................21

6.11 10/100Base-TX Ethernet ..........................22

6.12 Virtual COM Port ............................23

7. Advanced Energy Monitor .........................24

7.1 Usage ................................24

7.2 Theory of Operation ............................24

7.3 Secondary AEM Channel ..........................24

7.4 Accuracy and Performance .........................25

8. On-Board Debugger ............................26

silabs.com | Building a more connected world. Rev. 1.10 | 2

8.1 Debug Modes ..............................27

8.2 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 and Errata .......................31

11.1 Revision History.............................31

11.2 Errata ................................31

12. Document Revision History ........................32

silabs.com | Building a more connected world. Rev. 1.10 | 3

1. Introduction

1.1 Description

The SLSTK3701A is an excellent starting point to get familiar with the EFM32 Giant Gecko GG11 Microcontrollers. The kit contains

sensors and peripherals demonstrating some of the EFM32 Giant Gecko GG11's many capabilities. The kit can also serve as a starting

point for application development.

In addition to supporting application development on the starter kit itself, the board is also a fully featured debugger and energy monitor-

ing tool that can be used with external applications.

1.2 Features

• EFM32 Giant Gecko GG11 Microcontroller

• 2048 kB Flash

• 512 kB RAM

• BGA192 package

• Advanced Energy Monitoring system for precise current and voltage tracking

• Integrated Segger J-Link USB debugger/emulator with the possiblity to debug external Silicon Labs devices

• 20 pin expansion header

• Breakout pads for easy access to I/O pins

• Power sources include USB and CR2032 battery

• Silicon Labs Si7021 Relative Humidity and Temperature Sensor

• Silicon Labs Si7210 Hall-Effect sensor

• Ultra low power 128x128 pixel Color Memory-LCD

• Digital stereo MEMS microphones

• USB Micro-AB connector supporting both host and device mode USB applications

• 10/100Base-TX ethernet PHY and RJ-45 jack

• Micro-SD slot supporting SD memory cards and SDIO expansion cards

• 32 Mbit QSPI serial flash supporting execute-in-place (XIP)

• 2 push buttons and 2 RGB LEDs connected to EFM32 for user interaction

• LC tank circuit for inductive proximity sensing of metallic objects

• Backup battery

• 4-segment capacitive touch slider

• Crystals for LFXO and HFXO: 32.768 kHz and 50.000 MHz.

1.3 Getting Started

Detailed instructions for how to get started with your new SLSTK3701A can be found on the Silicon Labs web pages:

http://www.silabs.com/start-efm32gg1

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Introduction

silabs.com | Building a more connected world. Rev. 1.10 | 4

2. Kit Block Diagram

An overview of the EFM32 Giant Gecko GG11 Starter Kit is shown in the figure below.

128 x 128 Pixel

Color Memory LCD

SPI

EXP Header

LC Sensor

I2S

LESENSE

GPIO

Board

Controller

USB Mini-B

Connector

DEBUG

UART

Capacitive Touch Slider

CSEN

Ethernet PHY

& Jack

Micro-SD Slot

USB Micro-AB

Connector

Digital Stereo

Microphones

Hall-Effect

Sensor

Si7210

Si7021

Temperature

& Humidity

Sensor

User Buttons

& RGB LEDs

32 Mbit QSPI

Flash Memory

EFM32GG11

MCU

I2C

RMII

SDIO

QSPI

USB

GPIO

Figure 2.1. Kit Block Diagram

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Kit Block Diagram

silabs.com | Building a more connected world. Rev. 1.10 | 5

3. Kit Hardware Layout

The layout of the EFM32 Giant Gecko GG11 Starter Kit is shown below.

Debug USB

Connector

CR2032

Battery Holder

128x128 Pixel

Color Memory LCD

Relative Humidity &

Temperature Sensor

EFM32GG11 MCU

Expansion Header

EFM32 Reset Button

Hall-Effect Sensor

User RGB LEDs

User Push Buttons

Power Source Select

Inductive LC Sensor

Micro-SD slot

Ethernet PHY

Capacitive Touch Slider

Digital Microphone (R)

Digital Microphone (L)

EFM32 USB Connector

EFM32 Ethernet Connector

Backup Battery

Simplicity Connector

QSPI Flash Memory

Debug Connector

Figure 3.1. SLSTK3701A Hardware Layout

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Kit Hardware Layout

silabs.com | Building a more connected world. Rev. 1.10 | 6

4. Connectors

4.1 Breakout Pads

Most of the EFM32's GPIO pins are available on two pin header rows at the top and bottom edges of the board. These have a standard

2.54 mm pitch, and pin headers can be soldered in if required. In addition to the I/O pins, connections to the different power rails and

ground are also provided. Note that some of the pins are used for kit peripherals or features, and may not be available for a custom

application without trade-offs.

The figure below shows the pinout of these "breakout pads", as well as the pinout of the "Expansion Header" situated on the right-hand

side of the board. The expansion header is further explained in the next section. The breakout pad connections are also printed in silk

screen next to each pin for easy reference.

GND

VMCU

PE3

PE2

PH6

PH3

GND

PH2

PH1

PH0

PG8

PG7

PG6

PI12

PI11

3V3

GND

VMCU

PD8

PG15

PI9

PI8

GND

PI7

PI6

PI5

PI4

PI3

PI2

PI1

PI0

3V3

J101

J102

GND

PD7

PD6

PD5

PD1

GND

PF13

PF5

PF4

PF2

PF1

PF0

RST

BDEN

GND

PC15

PC14

PC13

PC12

GND

PC11

PC10

PC7

PC6

PA14

PA11

PA10

PA8

PA12

PA13

PC4

PC5

GND

PB11

PB9

PC1

PE10

PE11

PE12

PE13

PE8

PE9

PC0

VMCU

3V3 Board ID SDA

Board ID SCL

EXP Header

Debug

Connector

Simplicity

Connector

Figure 4.1. Breakout Pads and Expansion Header

The table below shows the connections of each pin of the breakout pads. They also show which kit peripherals or features are connec-

ted to the different pins.

Table 4.1. Bottom Row (J101) Pinout

Pin EFM32

I/O pin

Shared feature Pin EFM32

I/O pin

Shared feature

1 VMCU EFM32 voltage domain (measured by

AEM)

2 VMCU EFM32 voltage domain (measured by

AEM)

3 GND Ground 4 GND Ground

5 PI0 6 PI11

7 PI1 8 PI12

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.10 | 7

Pin EFM32

I/O pin

Shared feature Pin EFM32

I/O pin

Shared feature

9 PI2 10 PG6

11 PI3 12 PG7

13 PI4 SENSOR_I2C_SDA 14 PG8

15 PI5 SENSOR_I2C_SCL 16 PH0

17 PI6 18 PH1

19 PI7 20 PH2

21 PI8 22 PH3

23 PI9 24 PH6

25 PG15 ETH_INTERRUPT 26 PE2

27 PD8 BU_VIN 28 PE3

29 GND Ground 30 GND Ground

31 3V3 Board controller supply 32 3V3 Board controller supply

Table 4.2. Top Row (J102) Pinout

Pin EFM32

I/O pin

Shared feature Pin EFM32

I/O pin

Shared feature

1 5V Board USB voltage 2 5V Board USB voltage

3 GND Ground 4 GND Ground

5 PA8 6 BDEN BOD_ENABLE

7 PA10 8 RST DEBUG_RESET

9 PA11 DISP_COM 10 PF0 DEBUG_TCK_SWCLK

11 PA14 DISP_MOSI 12 PF1 DEBUG_TMS_SWDIO

13 PC6 DEBUG_TRACECLK 14 PF2 DEBUG_TDO_SWO

15 PC7 DEBUG_TRACED0 16 PF4 USB_OC_FAULT

17 PC10 18 PF5 DEBUG_TDI / USB_VBUSEN

19 PC11 20 PF13

21 PC12 22 PD1 OPA1_OUT

23 PC13 24 PD5 DEBUG_TRACED3

25 PC14 DISP_CS 26 PD6 OPA1_P

27 PC15 DISP_CLK 28 PD7 OPA1_N

29 GND Ground 30 GND Ground

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.10 | 8

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 plugin boards.

The connector contains a number of I/O pins that can be used with most of the EFM32 Giant Gecko GG11'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 I/O. 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 for the EFM32 Giant Gecko GG11 Starter Kit. Because of limita-

tions in the number of available GPIO pins, some of the expansion header pins are shared with kit features.

1516

20 19

VMCU

PE10

PE11

PE12

PE13

PE8

PE9

PC0

3V3

GND

PA12

PA13

PC4

PC5

PB11

PB9

PC1

Board ID SDA

Board ID SCL

Reserved (Board Identification)

TARGET I/O Pin

Figure 4.2. Expansion Header

Table 4.3. EXP Header Pinout

Pin Connection EXP Header function Shared feature Peripheral mapping

20 3V3 Board controller supply

18 5V Board controller USB voltage

16 PC0 I2C_SDA CAN0_RX #0 I2C0_SDA #4

14 PE9 UART_RX SDIO_DAT2 #0 USART5_RX #0

12 PE8 UART_TX SDIO_DAT3 #0 USART5_TX #0

10 PE13 SPI_CS SDIO_CLK #0 USART0_CS #0

8 PE12 SPI_SCLK SDIO_CMD #0 USART0_CLK #0

6 PE11 SPI_MISO SDIO_DAT0 #0 USART0_RX #0

4 PE10 SPI_MOSI SDIO_DAT1 #0 USART0_TX #0

2 VMCU EFM32 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 PC1 I2C_SCL CAN0_TX #0 I2C0_SCL #4

13 PB9 GPIO

11 PB11 DAC_OUT VDAC0_OUT0

9 PC5 I2C_SCL SDIO_WP #1 I2C1_SCL #0

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.10 | 9

Pin Connection EXP Header function Shared feature Peripheral mapping

7 PC4 I2C_SDA SDIO_CD #1 I2C1_SDA #0

5 PA13 CAN_TX PCNT1_S1IN #5 CAN1_TX #5

3 PA12 CAN_RX PCNT1_S0IN #5 CAN1_RX #5

1 GND Ground

UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide

Connectors

silabs.com | Building a more connected world. Rev. 1.10 | 10

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