Silicon Laboratories SLWSTK6104A User manual

UG461: MGM220P Wireless Gecko Module
Starter Kit User's Guide
A Wireless Starter Kit with the BRD4311B Radio Board is an ex-
cellent starting point to get familiar with the MGM220P Wireless
Gecko PCB Module. It also provides the necessary tools for devel-
oping a Silicon Labs wireless application.
BRD4311B contains the MGM220P Module, and it is a plug-in board for the Wireless
Starter Kit Mainboard.
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 debugging
the attached radio board as well as external hardware. The mainboard also contains
sensors and peripherals for easy demonstration of some of the MGM220P's many capa-
bilities.
This document describes how to use the BRD4311B Radio Board together with a Wire-
less Starter Kit Mainboard.
BRD4311B RADIO BOARD FEATURES
• MGM220P Wireless Gecko PCB Module
with 512 kB Flash, 32 kB RAM. Fully
integrated chip antenna, RF matching
network, crystals, and decoupling
capacitors (MGM220PC22HNA2).
• 8 Mbit low-power serial flash for over-the-
air upgrades.
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 Module I/O
• CR2032 coin cell battery support
SOFTWARE SUPPORT
• Simplicity Studio™
• Energy Profiler
• Network Analyzer
ORDERING INFORMATION
• SLWSTK6104A
• SLWRB4311B
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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 EXP Header ...............................9
3.4.1 EXP Header Pinout ...........................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 MGM220P Reset .............................15
5. Peripherals ...............................16
5.1 Push Buttons and LEDs ...........................16
5.2 Memory LCD-TFT Display ..........................17
5.3 Serial Flash ...............................18
5.4 Si7021 Relative Humidity and Temperature Sensor .................19
5.5 Virtual COM Port .............................20
5.5.1 Host Interfaces ............................21
5.5.2 Serial Configuration ...........................21
5.5.3 Hardware Handshake ..........................22
6. Board Controller .............................23
6.1 Admin Console ..............................23
6.1.1 Connecting ..............................23
6.1.2 Built-in Help .............................23
6.1.3 Command Examples ..........................24
6.2 Virtual UART ..............................24
6.2.1 Target to Host .............................24
6.2.2 Host to Target .............................24
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6.2.3 Limitations ..............................24
6.2.4 Troubleshooting ............................25
7. Advanced Energy Monitor .........................26
7.1 Introduction ...............................26
7.2 Theory of Operation ............................26
7.3 AEM Accuracy and Performance ........................27
7.4 Usage .................................27
8. On-Board Debugger ............................28
8.1 Host Interfaces ..............................28
8.1.1 USB Interface .............................28
8.1.2 Ethernet Interface ...........................28
8.1.3 Serial Number Identification ........................28
8.2 Debug Modes ..............................29
8.3 Debugging During Battery Operation ......................30
9. Kit Configuration and Upgrades .......................31
9.1 Firmware Upgrades ............................31
10. Schematics, Assembly Drawings, and BOM ..................32
11. Kit Revision History ...........................33
11.1 SLWSTK6104A Revision history .......................33
11.2 SLWRB4311B Revision History ........................33
12. Document Revision History ........................34
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1. Introduction
The MGM220P Wireless Gecko Module is featured on a radio board that plugs directly into a Wireless Starter Kit (WSTK) Mainboard.
The mainboard features several tools for easy evaluation and development of wireless applications. An on-board J-Link debugger ena-
bles 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 Ether-
net. 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
MGM220P. A 20-pin expansion header (EXP header) is also provided that allows connection of expansion boards (EXP boards) to the
kit.
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.
Because 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 MGM220P Wireless Gecko Module Radio Board (BRD4311B) is
combined with a Wireless STK Mainboard. The combination of these two boards is hereby referred to as a Wireless Starter Kit (Wire-
less STK).
1.2 Ordering Information
BRD4311B can be obtained as part of SLWSTK6104A Wireless Gecko Module Starter Kit or as a separate radio board, SLWRB4311B.
Table 1.1. Ordering Information
Part Number Description Contents
SLWSTK6104A MGM220P Wireless Gecko Module Starter Kit 1x BRD4001A Wireless Starter Kit Mainboard
1x BRD4311B MGM220P Wireless Gecko Module Radio Board
1x BRD8010A Debug Adapter Board
1x USB Type A to Mini-B cable
1x 10-pin flat cable for debug adapter
SLWRB4311B MGM220P Wireless Gecko Module Radio
Board
1x BRD4311B MGM220P Wireless Gecko Module Radio Board
1.3 Getting Started
Detailed instructions for how to get started can be found on the Silicon Labs web pages:
http://silabs.com/start-mgm220
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Introduction
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2. Hardware Overview
2.1 Hardware Layout
The layout of the MGM220P Wireless Gecko Module 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
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Hardware Overview
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2.2 Block Diagram
An overview of the MGM220P Wireless Gecko Module Wireless Starter Kit is shown in the figure below.
Wireless STK Mainboard
USB Mini-B
Connector
RJ-45 Ethernet
Connector
Debug
UART
Packet Trace
AEM
Debug
UART
ETM Trace
Packet Trace
AEM
Debug
UART
Packet Trace
AEM
Simplicity
Connector
Debug
Connector
Board
Controller
Multiplexer
OUT
IN
MCU
MGM220P
PCB Module
GPIO
EXP
Header
User Buttons
& LEDs
GPIO
128 x 128 pixel
Memory LCD
I2C Si7021
Temperature
& Humidity
Sensor
SPI 8 Mbit
MX25R
Serial Flash
Figure 2.2. Kit Block Diagram
UG461: MGM220P Wireless Gecko Module 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 is shown in the fig-
ure below.
Simplicity
Connector
Debug
Connector
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
EXP 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, such 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 USB-CDC
• Accurate current profiling using the AEM
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 AEM. 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 AEM
• Real-time radio packet and network analysis using the Packet Trace Interface
• Access to advanced configuration options using the admin console over TCP/IP socket 4902
Note: 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.
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Connectors
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3.3 Breakout Pads
Most pins of the MGM220P are routed from the radio board to breakout pads at the top and bottom edges of the Wireless STK Main-
board. 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
MGM220P map to the pin numbers printed on the breakout pads. To see the available functions on each, refer to the data sheet for
MGM220PC22HNA2.
GND
VMCU
P23 / NC
P21 / PA08
P19 / PA07
P17 / NC
GND
P15 / PB04
P13 / PB03 / EXP16
P11 / PA06 / EXP14
P9 / PA05 / EXP12
P7 / PC03 / EXP10
P5 / PC02 / EXP8
P3 / PC01 / EXP6
P1 / PC00 / EXP4
VRF
GND
VMCU
PA04 / P22
PA03 / P20
PA02 / P18
PA01 / P16
GND
PA00 / P14
EXP15 / PB02 / P12
EXP13 / NC / P10
EXP11 / NC / P8
EXP9 / PB01 / P6
EXP7 / PB00 / P4
EXP5 / NC / P2
EXP3 / NC / P0
VRF
BOTTOM EDGE
GNDGND
5V5V
NCNC
P45 / NCNC/ P44
P43 / NCPA03 / P42
P41 / NCNC / P40
3V33V3
P39 / NCNC / P38
P37 / PD02NC / P36
P35 / PD03NC / P34
P33 / NCNC / P32
P31 / PC07NC / P30
P29 / PC06NC / P28
P27 / PC05NC / P26
P25 / PC04NC / P24
GNDGND
TOP EDGE
Figure 3.2. Breakout Pad Pin Mapping
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Connectors
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3.4 EXP Header
The EXP header is an angled 20-pin expansion header provided to allow connection of peripherals or plugin boards to the kit. It is loca-
ted on the right-hand side of the mainboard, and it contains several I/O pins that can be used with most of the MGM220P Wireless
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 availa-
ble on fixed locations in the connector. The rest of the pins are used for general purpose IO. This allows the definition of expansion
boards (EXP boards) that can plug into several different Silicon Labs Starter Kits.
The figure below shows the pin assignment of the EXP header. Because of limitations in the number of available GPIO pins, some of
the EXP 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 / PC00
SPI_MISO / PC01
SPI_CLK / PC02
SPI_CS / PC03
UART_TX / PA05
UART_RX / PA06
I2C_SDA / PB03
5V
3V3
GND
NC
NC
PB00 / GPIO
PB01 / GPIO
NC
NC
PB02 / I2C_SCL
BOARD_ID_SDA
BOARD_ID_SCL
Reserved (Board Identification)
MGM220P I/O Pin
Figure 3.3. EXP Header
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Connectors
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3.4.1 EXP Header Pinout
The pin-routing on the MGM220P is very flexible, so most peripherals can be routed to any pin. However, many pins are shared be-
tween the EXP header and other functions on the Wireless STK Mainboard. The table below includes an overview of the mainboard
features that share pins with the EXP header.
Table 3.1. EXP Header Pinout
Pin Connection EXP Header Function Shared Feature Peripheral Mapping
20 3V3 Board controller supply
18 5V Board USB voltage
16 PB03 I2C_SDA SENSOR_SDA I2C0_SDA
14 PA06 UART_RX VCOM_RX USART1_RX
12 PA05 UART_TX VCOM_TX USART1_TX
10 PC03 SPI_CS USART0_CS
8 PC02 SPI_SCLK FLASH_SCLK, DISP_SCLK USART0_CLK
6 PC01 SPI_MISO FLASH_MISO USART0_RX
4 PC00 SPI_MOSI FLASH_MOSI, DISP_MOSI USART0_TX
2 VMCU MGM220P 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 PB02 I2C_SCL SENSOR_SCL I2C0_SCL
13 NC
11 NC
9 PB01 GPIO BUTTON1, LED1
7 PB00 GPIO BUTTON0, LED0
5 NC
3 NC
1 GND Ground
UG461: MGM220P Wireless Gecko Module Starter Kit User's Guide
Connectors
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