CYRF6936 WirelessUSB LP 2.4 GHz Radio SoC WirelessUSB LP 2.4 GHz Radio SoC Battery Voltage Monitoring Circuitry Features Supports coin-cell operated applications 2.4 GHz Direct Sequence Spread Spectrum (DSSS) radio transceiver Operating voltage from 1.8 V to 3.6 V Operates in the unlicensed worldwide Industrial, Scientific, and Operating temperature from 0 C to 70 C Medical (ISM) band (2.400 GHz to 2.483 GHz) Space saving 40-pin QFN 6 6 mm package 21 mA operating current (Transmit at 5 dBm) Applications Transmit power up to +4 dBm Wireless Keyboards and Mice Receive sensitivity up to 97 dBm Wireless Gamepads Sleep Current less than 1 A Remote Controls DSSS data rates up to 250 kbps, GFSK data rate of 1 Mbps Toys Low external component count VOIP and Wireless Headsets Auto Transaction Sequencer (ATS) - no MCU intervention White Goods Framing, Length, CRC16, and Auto ACK Consumer Electronics Power Management Unit (PMU) for MCU/Sensor Home Automation Fast Startup and Fast Channel Changes Automatic Meter Readers Separate 16-byte Transmit and Receive FIFOs Personal Health and Entertainment AutoRate - dynamic data rate reception Receive Signal Strength Indication (RSSI) Applications Support Serial Peripheral Interface (SPI) control while in sleep mode See www.cypress.com for development tools, reference designs, and application notes. 4 MHz SPI microcontroller interface Logic Block Diagram V L/D V V V PACTL BAT REG DD CC Power Management GFSK RF P RF Modulator N Data RF BIAS DSSS Interface IRQ Baseband SS and & Framer SCK Sequencer SPI MISO GFSK MOSI Demodulator RSSI Xtal Osc Synthesizer RST XTAL XOUT GND Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 38-16015 Rev. *L Revised May 19, 2017 Not recommended for new designsCYRF6936 Contents Functional Description .....................................................3 Absolute Maximum Ratings .......................................... 16 Pinouts ..............................................................................3 Operating Conditions ..................................................... 16 Pin Definitions ..................................................................3 DC Characteristics ......................................................... 16 Functional Overview ........................................................4 AC Characteristics ......................................................... 18 Data Transmission Modes ...........................................4 SPI Interface .............................................................. 18 Link Layer Modes ........................................................4 RF Characteristics .......................................................... 19 Packet Buffers .............................................................5 Radio Parameters ..................................................... 19 Auto Transaction Sequencer (ATS) ............................6 Typical Operating Characteristics ................................ 21 Data Rates ..................................................................6 AC Test Loads and Waveforms for Digital Pins .......... 23 Functional Block Overview ..............................................6 Ordering Information ...................................................... 24 2.4 GHz Radio .............................................................6 Ordering Code Definitions ......................................... 24 Frequency Synthesizer ................................................6 Package Diagrams .......................................................... 25 Baseband and Framer .................................................6 Acronyms ........................................................................27 Packet Buffers and Radio Configuration Registers .....6 Document Conventions ................................................. 27 SPI Interface ................................................................6 Units of Measure ....................................................... 27 Interrupts .....................................................................8 Document History Page ................................................. 28 Clocks ..........................................................................8 Sales, Solutions, and Legal Information ...................... 30 Power Management ....................................................8 Worldwide Sales and Design Support ....................... 30 Low Noise Amplifier and Products ....................................................................30 Received Signal Strength Indication ...................................9 PSoC Solutions ...................................................... 30 Receive Spurious Response .......................................9 Cypress Developer Community ................................. 30 Application Examples ....................................................10 Technical Support ..................................................... 30 Registers .........................................................................15 Document Number: 38-16015 Rev. *L Page 2 of 30 Not recommended for new designs