Chengdu Silent Smart Technology Co., Ltd. as an STMicroelectronics China eco-partner with rich experience in module development, was the first one to release the STM32WL33-based wireless data transmission module - WS8561FLS in September 2023.
The WS8561FLS is developed with STM32WL33, ST's latest SoC chip supporting GFSK debugging wireless communication protocol. STM32WL33 integrates a general-purpose microcontroller and an RF unit on a single chip, including an RF transceiver, a modem, and a 64MHz mains frequency, 32-bit MCU utilizing Arm Cortex M0+ architecture, with 256kB Flash capacity and 256kB SRAM capacity. The WS8561FLS has a Flash capacity of 256kB and an SRAM capacity of 32kB, which provides a longer transmission distance, faster speed, lower power consumption and smaller size.
WS8561FLS supports fixed-point transmission, transparent transmission, wireless wake-up, wireless relay and other functions. Its high-performance MCU makes a significant improvement in functionality and efficiency. The internal data processing adopts 3-level cache, which greatly increases the stability and real-time data.
Supports license-free ISM 915MHz frequency band
Supports user-defined communication keys, which cannot be read, greatly improving the confidentiality of user data.
Supports up to 25mW (~14dBm) of transmit power.
Support AT command configuration module
Supports modbus programmable register read/write operation, which can be flexibly customized.
Supports Wake-on-Air, i.e. ultra-low power consumption, suitable for battery-powered applications.
Support transparent transmission, fixed-point transmission, broadcast transmission, channel monitoring, wireless relay and other functions.
Support deep sleep, the power consumption of the whole machine in this mode is about 1uA.
Support 0.1k~300kbps air data rate.
Supports 1.7~3.7V power supply, 3.3V power supply is recommended.
Industrial standard design, supports long time use under -40～+85℃.
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