CYPRESS WirelessUSBTM NX 2.4 GHz Transceiver with 2 Mega Bits Per Second Data Rate and Ultra-Low Power Consumption P R O D U C T O V E RV I E W INTRODUCTION F E AT U R E S WirelessUSBTM NX (WUSB-NX) is Cypress’s fourth generation, proprietary RF • Low current consumption: transceiver which works in the unlicensed 2.4-GHz Industrial, Medical and Scientific (ISM) band. It supports data rates of up to 2 Mbps and offers ultra-low power consumption. WUSB-NX implements Gaussian Frequency Shift Keying (GFSK) and can transmit up to 32-byte payloads. Sleep current: 900 nA Idle current: 26 µA Transmit current:12 mA Receive current: 15 mA • Programmable data rates: 2 Mbps, 250 Kbps • Maximum link budget: +97 dB for 30-meter range Max transmit power: +4 dBm Transmitter TX FIFO SPI_nSS SCK MISO MOSI SPI GFSK Modulator Register Map RX FIFO GFSK Demodulator X • Package: 24-QFN (4 x 4 x 0.55 mm) Power Management Frequency Synthesizer APPLICATIONS Combined with Cypress’s companion products, WUSB-NX offers a complete system solution for battery-powered wireless applications. See the next page for examples of battery-powered wireless applications designed www.cypress.com/WUSB-NX • MCU interface: SPI slave LNA WUSB-NX Block Diagram using WUSB-NX. • Received Signal Strength Indicator (RSSI) 4-bit RSSI for signal strength Receiver VDD_PA VDD_LDO GND VIN Baseband ANT1 ANT2 PA 5-bit RSSI for channel noise Baseband Engine (Framer) IRQ MODE X Min receive sensitivity:−93 dBm at 250 Kbps XIN XOUT P R O D U C T O V E RV I E W Optical Sensor LED GPIO GPIO enCoRETM VI 10 8 Touch Sensing 8 Timers Touch Sensors Mechanical Buttons Flash 8 SPI 4 Step-Up Converter Battery 3 GPIO 8 M8C MCU 8 ADC Battery Monitoring 8 SPI WUSB-NX Wireless Touch Mouse Using WUSB-NX + enCoRe VI Mechanical Buttons Gen4 Trackpad Module GPIO Gen4 Trackpad Controller 44 Trackpad Sensor I/O 3 GPIO LEDs Up to 29 GPIO Mechanical Buttons Trackpad Sensors I2C 4 enCoRe V LV WUSB-NX SPI Up to 29 Step-Up Converter Battery Wireless Trackpad Using WUSB-NX + enCoRe V + Gen4 Trackpad Module Keyboard Matrix Accelerometer GPIO ECM1 GPIO GPIO 4 PSoC® 4 WUSB-NX SPI GPIO GPIO CapSense® Button and Sliders Trackpad Sensor 1 ECM = Electret Condenser Microphone RF Remote Control with Touch Sensing and Voice Support Using WUSB-NX + PSoC 4 Part Number MCU Interface Data Rate (Mbps) Operating Voltage (V) Operating Temp. (°C) Package CYRF9935-24LQXC SPI Slave 2 1.9–3.6 0-70 24-QFN GET STARTED NOW Visit www.cypress.com/WUSB-NX or email us at [email protected] for more information Cypress Semiconductor Corporation 198 Champion Court, San Jose CA 95134 phone +1 408.943.2600 fax +1 408.943.6848 toll free +1 800.858.1810 (U.S. only) Press “1” to reach your local sales representative © 2014 Cypress Semiconductor Corporation. All rights reserved. All other trademarks are the property of their respective owners. Doc#001-92422 Rev.** 052014/UTSV/EWR/BENY