WirelessUSB™ LP 2.4 GHz Radio SoC
Features
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2.4 GHz Direct Sequence Spread Spectrum (DSSS) radio transceiver
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Operates in the unlicensed worldwide Industrial, Scientific, and Medical (ISM) band (2.400 GHz to 2.483 GHz)
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21 mA operating current (Transmit at –5 dBm)
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Transmit power up to
 4 dBm
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Receive sensitivity up to –97 dBm
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Sleep Current less than 1 μA
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DSSS data rates up to 250 kbps, GFSK data rate of 1 Mbps
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Low external component count
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Auto Transaction Sequencer (ATS) - no MCU intervention
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Framing, Length, CRC16, and Auto ACK
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Power Management Unit (PMU) for MCU/Sensor
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Fast Startup and Fast Channel Changes
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Separate 16-byte Transmit and Receive FIFOs
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AutoRate™ - dynamic data rate reception
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Receive Signal Strength Indication (RSSI)
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Serial Peripheral Interface (SPI) control while in sleep mode
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4 MHz SPI microcontroller interface
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Battery Voltage Monitoring Circuitry
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Supports coin-cell operated applications
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Operating voltage from 1.8V to 3.6V
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Operating temperature from 0 to 70°C
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Space saving 40-pin QFN 6x6 mm package
Functional Description
The CYRF6936 WirelessUSB™ LP radio is a second generation member of the Cypress WirelessUSB Radio System-On-Chip (SoC) family. The CYRF6936 is interoperable with the first generation CYWUSB69xx devices. The CYRF6936 IC adds a range of enhanced features, including increased operating voltage range, reduced supply current in all operating modes, higher data rate options, reduced crystal start up, synthesizer settling, and link turnaround times.
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