User Manual: MG21USB Dongle Wirebridge MG21USB Dongle is a low-cost and convenient kit for Zigbee gateway, OpenThread Border Router and Multi-PAN Zigbee/OpenThread concurrent multiprotocol gateway application evaluation and development. The MG21USB Dongle has included the Mini-Simplicity debugging and programming interface for USB Dongle firmware flashing, application debugging and PTI network traffic capture using the Simplicity Studio Network Analyzer utility. MG21USB Dongle www.wirebridge.co.
MG21USB Dongle Guide Table of Contents 1 MG21USB Dongle Guide ......................................................................................................................... 2 1.1 Board Description ..........................................................................................................................................2 1.2 USB Dongle EFR32MG21 I/O Mapping ............................................................................................................3 1.
MG21USB Dongle Guide 1 MG21USB Dongle Guide The MG21USB Dongle serves as an alternative low-cost hardware kit for Zigbee gateway, OpenThread Border Router, and Silicon Labs Multi-PAN RCP based Zigbee/OpenThread concurrent multi-protocol gateway Linux host application demo, evaluation and development purposes. Alternatively, it can be used as the harness test firmware USB dongle for ZUTH harness pre-testing of Zigbee devices in-house unofficially.
MG21USB Dongle Guide 1.
MG21USB Dongle Guide 1.5 MG21 Bootloader mode and Reset control Instead of having the BOOTLOAD and RESET push buttons on board, the USB Dongle HW design (shown below) makes use of CP2102N’s modem control pins, i.e. DTS and RTS, for MG21 Reset control and entering the Bootloader mode. Figure 1.3.
MG21USB Dongle Guide 1.8 Using the Mini-Simplicity interface on USB Dongle Factory default of the MG21 USB Dongle hasn’t the Mini-Simplicity connector J3 mounted. We recommend the Linux host to do MG21 application firmware upgrade over USB using X-Modem file transfer through the Bootloader, instead of using SEGGER J-Link SWD over the Mini-Simplicity debug interface. Developer is required to purchase a 10-pin (2x5) small form-factor (1.27mm pitch, 3.
MG21USB Dongle Guide 1.9 MG21 USB Dongle v2 Components Placement Below shows the component placement of the MG21 USB Dongle and the corresponding test points De-solder jumper J2 to disconnect CP2102’s TX from EFR32’s RX Solder J4 to allow Mini-Simplicity Connector’s TX connected to EFR32’s RX as VCOM Figure 1.5. USB Dongle v2 Component Placement Diagram www.wirebridge.co.uk | Smart. Connected.
MG21USB Dongle Guide 1.10 MG21 USB Dongle Test Points Below tables show the PTA test points (T9-T14) and other test points, e.g. SWD interface factory used and reserved GPIO: Test Point T1 T2 T3 T4 T5 T6 T7 T8 T9/REQ T10/PRI T11/GNT T12/TXA T13/RXA T14/GND Signal PA00 PC03 PD04 GND RESETn SWDIO SWDCLK +3V3 PC00 PB00 PB01 PD02 PD03 GND Description Free IO Free IO Free IO Ground Reset to EFR32 (active-low) SEGGER J-LINK SWD data SEGGER J-LINK SWD clock 3.
MG21 USB Dongle firmware flashing, debugging and PTI Network Traffic Capture 2 MG21 USB Dongle firmware flashing, debugging and PTI Network Traffic Capture 2.1 USB Dongle Firmware Flashing over X-Modem Bootloader (Recommended) Refer to session 1.4 USB Dongle Application FW Upgrade over USB through X-Modem Bootloader and session 1.
MG21 USB Dongle firmware flashing, debugging and PTI Network Traffic Capture Figure 2.2. Simplicity Commander Flash Dialog UI 2.3 Source-level Debugging over Mini-Simplicity debug interface Firstly, make sure “Simplicity Commander” has been quitted. Open the SoC application project in Simplicity Studio IDE and in the Debugger Adaptors window to connect the BGM220 Explorer Kit and the external EFR32 target for source code level debugging. For details, please refer to below: https://docs.silabs.
MG21USB Dongle Certifications 3 MG21USB Dongle Certifications This section details the regulatory certification status of MG21USB dongle in various regions. The address for the USB Dongle manufacturer and certification applicant is: WIREBRIDGE LTD. 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ. 3.
Document Revision History 4 Document Revision History Revision 2.0.0 Jan 14, 2022 Split out original document to keep the MG21 USB Dongle user manual in this document Updated MG21USB Dongle figures to newer v2.0 hardware version Revision 1.0.0 Jul 16, 2021 Initial release - End of Document - www.wirebridge.co.uk | Smart. Connected.
FCC RF Exposure Information and Statement The SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram of tissue. Device types MG21USB Dongle (FCC ID: 2A6MQ-MG21USB) has also been tested against this SAR limit. The highest SAR value reported under this standard during product certification for use at the body is 0.073W/kg . This device was tested for typical body-worn operations with the back of the handset kept 0PP from the body.
