Silicon Labs SLWSTK6061A
- Part No.:
- SLWSTK6061A
- Manufacturer:
- Silicon Labs
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
SLWSTK6061A.pdf
- Description:
- DEV KIT EFR32FG 868MHZ 2.4GHZ
- Quantity:
- Payment:

- Shipping:

Inventory:4,900
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Product details
Overview
SLWSTK6061A from Silicon Labs is a Wireless Starter Kit Mainboard designed for rapid evaluation and development of EFR32 Flex Gecko 2400/868 MHz wireless SoC applications. It integrates an on-board SEGGER J-Link debugger, Advanced Energy Monitor (AEM) for real-time current/voltage profiling, Virtual COM port (VCOM), and Packet Trace Interface (PTI) - all supporting both the included BRD4250B radio board and external targets.
For engineers reviewing the SLWSTK6061A datasheet, SLWSTK6061A pinout, SLWSTK6061A application, or SLWSTK6061A equivalent, this kit delivers production-relevant debug, power analysis, and RF prototyping capabilities - especially critical when validating ultra-low-power wireless firmware, sensor node energy budgets, or multi-band (2.4 GHz / 868 MHz) protocol stacks.
Technical Context
The SLWSTK6061A functions as a dual-domain development platform: its Board Controller (dedicated MCU) manages J-Link debugging, AEM sensing, VCOM bridging, and PTI packet capture independently from the target EFR32FG1P133F256GM48 radio board. All debug interfaces - including ARM Cortex Debug+ETM 19-pin, Simplicity Connector, and Mini Simplicity 10-pin - are hardware-multiplexed and mode-switchable via Simplicity Studio configuration.
Power architecture separates the Board Controller (USB-powered only) from the target domain (selectable USB/AEM/BAT/AA), enabling isolated energy measurement and battery-life validation. Critical I/O - including SPI, UART, I²C, GPIO, and RF pins - are exposed via breakout pads and a standardized 20-pin expansion header with fixed peripheral mapping (e.g., PA0/PA1 = UART TX/RX, PC6–PC9 = SPI).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Platform | Wireless Starter Kit Mainboard for EFR32 Flex Gecko SoCs - not a standalone IC or component. |
| On-board Debugger | SEGGER J-Link with Serial Wire Debug (SWD), SWO trace, and JTAG support - enables full flash/debug of EFR32 and external targets. |
| Energy Monitoring | Advanced Energy Monitor (AEM) provides real-time current/voltage sampling at ≥1 MSPS - essential for sub-µA sleep-mode validation. |
| Debug Interfaces | ARM Cortex Debug+ETM 19-pin, Simplicity Connector (20-pin), Mini Simplicity (10-pin), and Debug Multiplexer - supports multi-role debugging. |
| Expansion & I/O | 20-pin angled expansion header with fixed SPI/UART/I²C mapping + full EFR32 pin breakout pads - enables direct RF I/O access and peripheral add-ons. |
| RF Support | Paired with BRD4250B radio board featuring EFR32FG1P133F256GM48 (256 kB Flash/32 kB RAM), 2.4 GHz inverted-F PCB antenna, and 868 MHz SMA connector. |
| Peripherals | Si7021 RH/T sensor (I²C), 128×128 memory LCD (SPI), user LEDs/buttons (PF4–PF7), 8 Mbit MX25R serial flash - all directly controllable by EFR32. |
Availability
SLWSTK6061A is available at Aetrix Electronics and suitable for wireless IoT prototyping, low-power sensor node development, and multi-band RF stack validation requiring stable component supply, consistent debug toolchain integration, and repeatable energy profiling across engineering teams.
Supply support for SLWSTK6061A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Silicon Labs is a fabless semiconductor company specializing in secure, energy-efficient wireless and mixed-signal ICs for IoT, industrial, and consumer applications.
The SLWSTK6061A belongs to Silicon Labs' Wireless Starter Kit (WSTK) product line - engineered to accelerate time-to-first-packet for EFR32-based designs through integrated hardware debug, real-time power analysis, and standardized RF evaluation infrastructure.
FAQ
What is the SLWSTK6061A used for?
The SLWSTK6061A is a complete hardware development platform for Silicon Labs EFR32 Flex Gecko wireless SoCs. It enables engineers to evaluate RF performance, develop and debug firmware, profile ultra-low-power operation using the Advanced Energy Monitor, and validate protocol stacks - all without external debug probes or instrumentation. The SLWSTK6061A supports both on-board BRD4250B radio boards and external target devices via configurable debug multiplexing.
Does the SLWSTK6061A include a radio board?
Yes - the SLWSTK6061A kit includes two BRD4250B EFR32FG 2400/868 MHz 13 dBm radio boards, each populated with the EFR32FG1P133F256GM48 SoC. These plug directly into the mainboard's radio board connector. The SLWSTK6061A mainboard itself does not contain a radio transceiver; it serves as the debug, power analysis, and interface hub for those radio boards.
Can the SLWSTK6061A debug external targets?
Yes - the SLWSTK6061A supports external target debugging via multiple interfaces: the Debug Connector (ARM Cortex 19-pin), Simplicity Connector (20-pin), and Mini Simplicity Connector (10-pin). When configured in "Debug OUT" mode in Simplicity Studio, the Board Controller routes J-Link, AEM, VCOM, and PTI signals to the selected connector, allowing full debug and energy profiling of third-party EFR32 or compatible Cortex-M designs.
What power sources does the SLWSTK6061A support for the radio board?
The SLWSTK6061A supports three radio board power modes via a slide switch: AEM (3.3 V LDO powered by USB, enabling current measurement), USB (for radio boards with onboard USB regulators - not applicable to BRD4250B), and BAT (CR2032 coin cell or optional AA battery holder). The Board Controller itself is powered exclusively via the J-Link USB cable and remains active regardless of the radio board power selection.
How is the Si7021 sensor integrated on the SLWSTK6061A?
The SLWSTK6061A integrates the Si7021 relative humidity and temperature sensor on the mainboard, connected to the EFR32 via I²C (PC10/PC11). Sensor power and I²C bus isolation are controlled by PD15 (SENSOR_ENABLE). When enabled, the Si7021's current draw is included in AEM measurements. Its factory-calibrated digital output eliminates need for software compensation - making it immediately usable for environmental sensing demos within SLWSTK6061A-based applications.
SLWSTK6061A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Series:
- Flex Gecko
- Packaging:
- Box
- Product Status:
- Obsolete
- Type:
- Transceiver
- Frequency:
- 868MHz, 2.4GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- EFR32FG
SLWSTK6061A FAQ
1.How can I place an order for SLWSTK6061A through Aetrix?
Please submit a Request for Quotation (RFQ) for SLWSTK6061A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SLWSTK6061A reliable?
The price and inventory of SLWSTK6061A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SLWSTK6061A is usually 5 days.
3.What payment methods are accepted for SLWSTK6061A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SLWSTK6061A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SLWSTK6061A?
SLWSTK6061A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SLWSTK6061A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SLWSTK6061A?
For technical support, including SLWSTK6061A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SLWSTK6061A requirements.
6.How does Aetrix verify that SLWSTK6061A is sourced from the original manufacturer or authorized distributors?
All SLWSTK6061A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SLWSTK6061A meets industry standards.
7.What is the process for return or replacement of SLWSTK6061A?
All SLWSTK6061A units undergo pre-shipment inspection (PSI). If there is an issue with SLWSTK6061A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SLWSTK6061A part is unused and in its original packaging.
Return procedure for SLWSTK6061A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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