Transceiver

Features • Fully Integrated 2.4 GHz-band Transceiver • -101 dBm Receiver Sensitivity • Low Current Consumption (Typical Values) − SLEEP = 0.1 µA − TRX_OFF = 1.7 mA − RX_ON = 16 mA − BUSY_TX = 17 mA (max. PTX) • Power Supply Range 1.8V – 3.6V − Internal LDO Voltage Regulators − Battery Monitor • SPI Slave Interface • Baseband Signal Processing Compliant with IEEE 802.15.4 − SFD Detection, Spreading/De-spreading, Framing − 128-byte FIFO for TRX • Integrated Crystal Oscillator, 16 MHz • Digital RSSI Register, 5-bit Value • Fast Power-up Time < 1 msec • Programmable TX Output Power from -17 dBm up to 3 dBm • Integrated LNA • Low External Component Count − Antenna www.DataSheet4U.com − Reference Crystal − De-coupling Capacitors • Integrated TX/RX Switch • Integrated PLL Loop Filter • Automatic VCO and Filter Calibration • 32-pin Low-profile Lead-free Plastic QFN Package 5 mm x 5 mm x 0.9 mm • Compliant to EN 300 440/328, FCC-CFR-47 Part 15 • Compliant to IEEE 802.15.4 ZigBee™/IEEE 802.15.4Transceiver AT86RF230 Applications • 802.15.4 Transceiver • Transceiver for ZigBee System Solutions Description The AT86RF230 is a low-power 2.4 GHz transceiver specially designed for low cost ZigBee/IEEE802.15.4 applications. The AT86RF230 is a true SPI-toantenna solution. All RF-critical components except the antenna, crystal and decoupling capacitors are integrated on-chip. 5131A-ZIGB-06/14/06 Table of contents 1. 2. 3. Abbreviations ...................................................................................................................................................4 General Circuit Description..............................................................................................................................5 Technical Parameters......................................................................................................................................6 3.1. Absolute Maximum Ratings.........................................................................................................................6 3.2. Recommended Operating Range................................................................................................................6 3.3. Digital Pin Specifications .............................................................................................................................6 3.4. General RF Specifications...........................................................................................................................7 3.5. Transmitter Specifications ...........................................................................................................................7 3.6. Receiver Specifications ...............................................................................................................................8 3.7. Current Consumption Specifications ...........................................................................................................9 3.8. SPI Timing Specifications............................................................................................................................9 3.9. Crystal Parameter Specifications ..............................................................................................................10 4. Basic Operating Modes .................................................................................................................................11 4.1. Configuration .............................................................................................................................................11 4.2. Basic Operating Mode Description............................................................................................................12 4.2.1. P_ON ....................................................................................................................................................12 4.2.2. SLEEP...................................................................................................................................................12 4.2.3. TRX_OFF..............................................................................................................................................12 4.2.4. PLL_ON ................................................................................................................................................12 4.2.5. RX_ON and BUSY_RX .........................................................................................................................13 4.2.6. RX_ON_NOCLK ...................................................................................................................................13 4.2.7. BUSY_TX..............................................................................................................................................13 4.3. Basic Mode Timing ....................................................................................................................................13 4.3.1. Wake-up Procedure ..............................................................................................................................13 www.DataSheet4U.com 4.3.2. Transition from PLL_ON via BUSY_TX to RX_ON...............................................................................14 4.3.3. State Transition Timing .........................................................................................................................15 5. Extended Operating Modes ...........................................................................................................................16 5.1. Peer-to-peer Network Support ..................................................................................................................16 5.2. Configuration .............................................................................................................................................18 5.3. Extended Operation Mode Description .....................................................................................................18 5.3.1. RX_AACK_ON ......................................................................................................................................18 5.3.2. TX_ARET_ON.......................................................................................................................................18 5.3.3. RX_AACK_NOCLK ...............................................................................................................................19 6. Functional Description ...................................................................................................................................20 6.1. RSSI/Energy Detection .............................................................................................................................20 6.2. Link Quality Indication ...............................................................................................................................20 6.3. Clear Channel Assessment.......................................................................................................................20 6.4. Voltage Regulators ....................................................................................................................................20 6.5. Battery Monitor ..........................................................................................................................................21 6.6. Crystal Oscillator .......................................................................................................................................22 6.7. PLL Frequency Synthesizer ......................................................................................................................23 6.8. Automatic Filter Tuning .............................................................................................................................24 7. PHY to Micro-Controller Interface..................................................................................................................25 7.1. SPI Protocol...............................................................................................................................................25 7.2. Register Access Mode (Short Mode) ........................................................................................................26 7.3. Frame Buffer Access Modes (Long Modes)..............................................................................................27 7.4. Frame Receive Procedure ........................................................................................................................28 7.5. Frame Transmit Procedure .......................................................................................................................28 7.6. Sleep/Wake-up and Transmit Signal.........................................................................................................29 7.7. Interrupt Logic............................................................................................................................................30 2 AT86RF230 5131A-ZIGB-06/14/06 AT86RF230 8. 9. 10. 10.1. 10.2. 10.3. 10.4. 10.5. 11. 12. 13. 14. 15. 16. Control Registers ...........................................................................................................................................31 Application Circuit ..........................................................................................................................................42 Pin Configuration ...........................................................................................................................................44 Pin-out Diagram.........................................................................................................................................45