CYRF9935-24LQXC

Register Map CYRF9935 WirelessUSB NX 2.4 GHz Low Power Radio WirelessUSB NX 2.4 GHz Low Power Radio Programmable Multi-Level FIFO Key Features 3 Levels of 32 bytes each RF channel 126 (2400 MHz~2525 MHz) 6 Levels of 16 bytes each Programmable Data Rate 2 Mbps/250 Kbps Automatic Packet Acknowledgement Power Supply Range 1.9 V to 3.6 V Automatic Packet Resend Ultra low power operation 8/16 bit hardware CRC TX Current 12 mA at 0 dBm output power Up to 8 Pipes for 1:8 Star Network RX Current 15 mA at 2 Mbps data rate 4-pin Hardware SPI Interface RX Current 14 mA at 250 Kbps data rate Idle current 26 A (Idle-I mode) 60 ppm 16 MHz crystal Sleep current 900 nA Compact 24-pin 4 4 mm QFN package Programmable TX Output Power: +4 dBm Applications 0 dBm Wireless mouse, keyboard, gamepad and presenter 8 dBm 14 dBm Wireless audio and VoRF 20 dBm Remote controller Sensitivity (0.1%BER): Home automation 93 dBm at 250 kbps 82 dBm at 2 Mbps Wireless sensor network Digital RSSI Radio Controlled (R/C) Toy Programmable Payload length 1 to 32 bytes Block Diagram Transmitter Baseband TX FIFO GFSK ANT1 PA X Modulator SPI nSS ANT2 SCK SPI MISO Baseband MOSI Engine Receiver IRQ (Framer) MODE GFSK X LNA Demodulator RX FIFO Power Frequency XIN Management Synthesizer XOUT Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-88748 Rev. *F Revised April 11, 2016 VDD PA VDD LDO GND VINCYRF9935 Contents General Description .........................................................3 Command List ........................................................... 22 Pin Configuration .............................................................3 SPI Status in Command Phase ................................. 23 Pin Descriptions ...............................................................4 SPI Command for Register Read and Write ............. 23 Functional Overview ........................................................5 SPI Command for RX FIFO Access .......................... 23 Power on Reset ...........................................................5 SPI Command for TX FIFO Access .......................... 24 External Reset .............................................................5 Register Sets ................................................................... 26 Interrupt .......................................................................5 Indirect Registers ...................................................... 31 RF Pins ........................................................................5 Application Circuit .......................................................... 33 RF Channel .................................................................5 Absolute Maximum Ratings .......................................... 35 Transmit Power control ...............................................6 Operating Range ............................................................. 35 RSSI Operation ...........................................................7 Electrical Specifications ................................................ 35 Power Management ..........................................................8 Power Consumption .................................................. 35 Idle-I Mode ..................................................................9 General RF Conditions .............................................. 36 Sleep Mode .................................................................9 Transmitter Operation ............................................... 36 Transmit Mode ..........................................................10 Receiver Operation ................................................... 37 Receive Mode ...........................................................10 Crystal Specification .................................................. 37 Idle II Mode ................................................................10 DC Characteristics .................................................... 38 Baseband Engine ...........................................................10 Power-On Reset ........................................................ 38 Packet Format ...........................................................10 Ordering Information ...................................................... 39 Preamble ...................................................................10 Ordering Code Definitions ......................................... 39 Address .....................................................................11 Packaging Information ................................................... 40 Packet Control Word .................................................13 Acronyms ........................................................................41 Broadcast Address ....................................................13 Document Conventions ................................................. 41 Auto-Retransmit Mode ..............................................14 Units of Measure ....................................................... 41 Data Packet Loss ......................................................17 Document History Page ................................................. 42 ACK Packet Loss ......................................................18 Sales, Solutions, and Legal Information ...................... 47 FIFO Control ....................................................................19 Worldwide Sales and Design Support ....................... 47 Overview ...................................................................19 Products ....................................................................47 TX FIFO Access ........................................................19 PSoC Solutions ...................................................... 47 RX FIFO Access ........................................................21 Cypress Developer Community ................................. 47 SPI Command .................................................................21 Technical Support ..................................................... 47 SPI Timing .................................................................21 Document Number: 001-88748 Rev. *F Page 2 of 47