The CYRF6936-40LTXC is a WirelessUSB™ LP 2.4GHz Radio SoC IC for use with remote controls. The CYRF6936 WirelessUSB™ LP radio is a second generation member of the Cypress wireless USB 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.
● 2.4GHz Direct sequence spread spectrum (DSSS) radio transceiver
● 21mA Operating current (Transmit at -5dBm)
● Transmit power up to +4dBm
● Receive sensitivity up to -97dBm
● Sleep current less than 1µA
● DSSS data rates up to 250kbps, GFSK data rate of 1Mbps
● Low external component count
● Auto transaction sequencer (ATS) - no MCU intervention
● Framing, length, CRC16 and auto ACK
● Power management unit (PMU) for MCU/sensor
● Fast start-up and fast channel changes
● Separate 16-byte transmit and receive FIFOs
● AutoRate™ - dynamic data rate reception
● Receive signal strength indication (RSSI)
● Serial peripheral interface (SPI) control while in sleep mode
● 4MHz SPI microcontroller interface
● Battery voltage monitoring circuitry
● Supports coin-cell operated applications
