STMicroelectronics has introduced two new products—a wireless microcontroller (MCU) and wireless module—that are designed to simplify the design of short-range wireless connectivity devices. Aimed at different skill sets, the STM32WB1MMC wireless module targets designers without extensive RF engineering skills and resources, while the STM32WB09 wireless MCU is suited for skilled designers.
ST said the latest Bluetooth specification opens up new opportunities for smarter wireless devices, including wireless beacons and other devices that can calculate their location indoors with centimeter accuracy.
(Source: STMicroelectronics)
The STM32WB09 wireless MCU includes all the processing power and Bluetooth RF technology needed in one chip and is available with a tiny chip-scale package option. It is built on the Arm Cortex-M0+ single-core architecture with “generous” on-chip memory. The peripherals and memory are tailored for applications such as wireless sensing, connected wearables and remote control. The SoC also can be used for warehouse inventory management systems, smart meters, access controls and medical devices such as disposable sensors.
The all-in-one STM32WB1MMC wireless module makes wireless connectivity easier with a certified wireless MCU pre-integrated with external components needed for the radio system, as well as the latest Bluetooth software. It is built on the STM32WB15 MCU with 320 KB Flash and 48 KB RAM and comes with Bluetooth Low Energy 5.4 certification and worldwide radio-equipment approvals. Engineers have access to a full reference design in an LGA package as well as ST’s PC-based design tools, software and sample code to speed up application development.
ST also introduced the B-WB1M-WPAN1 evaluation board for building prototypes with the STM32WB1MMC MCU module. The board also includes movement, temperature and barometric-pressure sensors that can be incorporated into the system. Other features include an industry-standard connector for attaching an external antenna, flexible power supply options, user LED and reset pushbuttons. Designers can use the STM32Cube ecosystem with the board for easier power consumption testing with the STM32CubeMX calculator and RF testing with the STM32CubeMonRF software tool.
The STM32WB09 wireless MCU, STM32WB1MMC turnkey wireless module, and B-WB1M-WPAN1 module evaluation board are all in production now. Pricing for the STM32WB09 starts from $1.36 in the QFN32 package. The STM32WB1MMC modules are priced at $5.32 for orders of 10,000 units. The B-WB1M-WPAN1 is available from www.st.com and distributors, from $30.00.
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