Silicon Labs' SiWN917 provides a low-power network co-processor Wi-Fi 6 IC for ultra-low-power IoT wireless devices using Wi-Fi, Bluetooth®, Matter, and IP networking for secure cloud connectivity. It works in conjunction with an external host processor and is optimal for developing battery-operated devices that need long battery life. The SiWN917 includes an ultra-low-power Wi-Fi 6 plus Bluetooth Low Energy (LE) 5.4 wireless CPU subsystem with power management subsystem, all in a single 7 mm x 7 mm QFN package, thus providing an integrated solution that is ready for a wide range of embedded wireless IoT applications.
The wireless subsystem consists of a multi-threaded processor (ThreadArch®) running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver, and integrated power amplifier. The application subsystem consists of an Arm® Cortex®-M4 with FPU running up to 180 MHz, embedded SRAM, Flash, AI/ML accelerator, and enhanced security engine designed for PSA-L2. The MCU subsystem is dedicated for peripheral and application-related processing, while ThreadArch runs the wireless and networking stacks on independent threads, providing a fully integrated solution for various embedded wireless IoT applications.
Available development tools include SIWX917-PK6031A Pro Kit, SIWX917-RB4338A Radio Board, and SIWX917-EB4346A Expansion Kit. The SiWx917 Wi-Fi 6 and Bluetooth LE 8 MB Flash Pro Kit is designed to support the development of wireless IoT devices based on the SiWG917 ultra-low-power system on chip (SoC). The SiWx917 Wi-Fi 6 + Bluetooth LE 5.4 Expansion Kit is the best and fastest way to explore the capabilities of the SiWx917 in Network Co-Processor (NCP) or Radio Co-Processor (RCP) modes of operation. The SiWG917 SoC Radio Board is designed to work with the wireless Pro Kit mainboard (not included) to support the development of wireless IoT devices based on the SiWG917 ultra-low-power SoC that includes single-band Wi-Fi 6 + Bluetooth LE 5.4, matter.
Features
- SiWx917 Network Co-Processor
- Support for Wi-Fi 6 and Bluetooth LE 5.4
- Ultra-low-power modes such as deep sleep, standby, and Wi-Fi standby associated to reduce system energy consumption and increase battery life
- Works in conjunction with an external host MCU in network co-processor mode via host interfaces like SPI and SDIO
- Support for single-band 2.4 GHz, 20 MHz to provide long-range and high data throughput and Wi-Fi client and access point mode support
- Wi-Fi over-the-air (OTA) firmware update capability
- SiWx917 SoC single-band ultra-low-power
- Support for Wi-Fi 6 and Bluetooth LE 5.4
- Ultra-low-power modes such as deep sleep, standby, and Wi-Fi standby associated to reduce system energy consumption and increase battery life
- SoC mode support, including integrated Wi-Fi, Bluetooth, and TCP/IP networking stacks
- WPA3 and TLS 1.3 security
- Arm Cortex-M4 with FPU for running application code
- Matter
- Access to matrix vector processor for AI/ML
- An enhanced security engine designed for PSA-L2
- SoC mode provides an ultra-low power sensor hub for single-chip battery-based sensor solutions with long battery life
- Single-band 2.4 GHz and 20 MHz for long range and high data throughput
- Support for Wi-Fi client and access point modes
- Wi-Fi OTA firmware update capability
- SiWx917 Wi-Fi 6 and Bluetooth LE co-processor EXP expansion kit
- Supports connection with Silicon Labs EFR SoC hosts through the WPK expansion connector
- Supports connection with external 3rd party MCU or MPU host development platform with an SD card slot through the EXP-to-SD card accessory board
- Integration with Simplicity Studio and WiSeConnnect (SiWx917 Wi-Fi and Bluetooth LE SDK)
- Open-source Linux drivers for RCP
- Examples for NCP mode with SPI/SDIO with Free RTOS and bare metal
- SiWx917 Wi-Fi 6 and Bluetooth LE 8 MB Flash Pro Kit
- Supports radio board based on SiWG917 single-band Wi-Fi 6 and Bluetooth LE SoC with 8 MB Flash, SoC reference design based on external switch, and bandpass filter
- Radio board supports on-chip antenna and micro-coaxial connector for conduced RF measurements or external antenna connection
- Integration with Simplicity Studio and WiSeConnect (SiWx917 Wi-Fi and Bluetooth) SDK
- Advanced Energy Monitor (AEM)
- Virtual COM port
- SEGGER J-link onboard debugger
- Onboard logic analyzer
- External device debugging
- Debug connectivity over Ethernet and USB
- Ultra-low-power 128 x 128 pixel memory LCD TFT display
- User LEDs/pushbuttons, temperature/humidity sensor, and joystick
- 20-pin EXP header
- Breakout pads for Wireless SoC I/O
- SiWG917 Wi-Fi 6 and Bluetooth LE 8 MB Flash radio
- Requires the WPK mainboard, Si-MB4002A
- Based on the SiWG917M111MGTBA Wi-Fi 6 and Bluetooth LE SoC
- 8 MB Flash, 7 x 7 QFN, -40°C to +85°C
- Integrated onboard chip antenna
- Micro-coaxial connector for RF measurements or external antenna connection
- Controllers
- 2x PCIe Gen2 end points/root ports
Applications
- Smart homes
- Consumer health
- Wearables
- Medical
- Industrial
- Retail
- Smart buildings
- Smart cities
- Asset tracking
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Silicon Labs' SiWN917 provides a low-power network co-processor Wi-Fi 6 IC for ultra-low-power IoT wireless devices using Wi-Fi, Bluetooth®, Matter, and IP networking for secure cloud connectivity. It works in conjunction with an external host processor and is optimal for developing battery-operated devices that need long battery life. The SiWN917 includes an ultra-low-power Wi-Fi 6 plus Bluetooth Low Energy (LE) 5.4 wireless CPU subsystem with power management subsystem, all in a single 7 mm x 7 mm QFN package, thus providing an integrated solution that is ready for a wide range of embedded wireless IoT applications.
Hong Kong, China