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About FISE

Wi-Fi+BT Module WDC-W01

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fully integrated 2.4GHz radio transceiver, baseband processor and 8-Mbit of stacked flash for Wi-Fi 802.11b and Bluetooth Smart applicationscan be used as a standalone application-specific communication processor or as a wireless data link in hosted MCU systems where ultra-low power is critical.



ARM® Cortex®-M3 Application Processor

ARM® Cortex®-M0 Link Controller


Wi-Fi: 802.11b up to 11Mbps


Bluetooth SmartCompliant with Bluetooth 5.0 BLE specifications with 2Mbps rate capability


Memories4kb One-Time-Programmable (OTP) memory;
384 kB System SRAM
768 kB ROM8-Mbit of stacked flash


HW Crypto EngineAES-128/256 bits Encryption


Power ManagementIntegrated Buck DC-DC converterSupports coin cell and alkaline battery


Clock: Built-in low power 32KHz RC oscillator and support optional 32KHz crystalOptional external 32 kHz crystal (±150 ppm max) and built-in low power oscillator


Digital InterfacesGeneral purpose I/O: 24Two UARTs with hardware flow control up to 3MbpsThree SPI+™ interfacesOne I2C bus at 100 kHz, 400 kHz


Radio TransceiverFully integrated dual-mode 2.4 GHz CMOS transceiverSingle wire antenna: no external matching and no external T/R switch required


Package: 48-pin QFN, 6 mm x 6 mm

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Wi-Fi+BT Module WDC-W02
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